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AIIMS Full Mock Test 17

200 Questions MCQ Test AIIMS Mock Tests & Previous Year Papers | AIIMS Full Mock Test 17

Description

This mock test of AIIMS Full Mock Test 17 for NEET helps you for every NEET entrance exam. This contains 200 Multiple Choice Questions for NEET AIIMS Full Mock Test 17 (mcq) to study with solutions a complete question bank. The solved questions answers in this AIIMS Full Mock Test 17 quiz give you a good mix of easy questions and tough questions. NEET students definitely take this AIIMS Full Mock Test 17 exercise for a better result in the exam. You can find other AIIMS Full Mock Test 17 extra questions, long questions & short questions for NEET on EduRev as well by searching above.

QUESTION: 1

In the figure, at the free end of the light string, a force F is applied to keep the suspended mass of 18 kg at rest. Then the force exerted by the ceiling on the system (assume that the string segments are vertical and the pulleys are light and smooth) is: (g= 10 m/s²)

A.
60 N
B.
120 N
C.
180 N
D.
240 N

Solution: Option D is correct answer; solution; 3T=180 T=60 now;F=T=60 therfore;total force on ceiling is; 4T. =240N.

QUESTION: 2

Aman stands on a weighingmachine kept inside a lift. Initially the lift is ascending with the acceleration ‘a’ due to which the reading is W. Now the lift decends with the same accleration and reading is 10 % of initial. Find the acceleration of lift ?

A.
(g/19)m/sec²
B.
9 g /11 m/sec²
C.
0 m/sec²
D.
g m/sec²

Solution: During ascend relative acceleration = g+a during descent relative acceleration =g-a according to question the descending acceleration is 10%of ascending acceleration. so if we solve it then (g+a)/10=g-a hence if you solve it you get a=9g/11 .

QUESTION: 3

A monoatomic ideal gas, initially at temperature T₁, is enclosed in a cylinder fitted with a frictionless piston. The gas is allowed to expand adiabatically to a temperature T₂ by releasing the piston suddenly. If L₁ and L₂ are the length of gas column before and after expansion respectively, Then T₁/T₂ is given by:

Solution:

QUESTION: 4

The molecules of an ideal gas have 6 degrees of freedom. The temperature of the gas is T. The average translational kinetic energy of its molecules :

A.
3/2 kT
B.
6/2 kT
C.
kT
D.
1/2 kT

Solution:

QUESTION: 5

A mixture of ideal gasses N₂ and He are taken in the mass ratio of 14 : 1 respectively. Molar heat capacity of the mixture at constant pressure is.

A.
19R/6
B.
6R/19
C.
13R/6
D.
6R/13

Solution:

QUESTION: 6

A non–conducting container is divided into two chambers that are separated by a valve. The left chamber contains one mole of a monatomic ideal gas. The right chamber is evacuated. At some instant, the valve is opened and the gas rushes freely into the right chamber.Which are of the following statements concerning this process is true?

A.
Work is done by the gas.
B.
The temperature of the gas decreases
C.
The walls of the container must get colder
D.
The change in the internalenergy of the gas is zero

Solution:

QUESTION: 7

For an ideal gas four processes are marked as 1, 2, 3 and 4 on P-V diagram as shown in figure. The amount of heat supplied to the gas in the process 1, 2, 3 and 4 are Q₁ , Q₂ , Q₃ and Q₄ respectively, then correct order of heat supplied to he gas is: [AB is process-1, AC is process-2, AD is adiabatic process-3 and AE is process-4]

A.
Q₁ > Q₂ > Q₃ > Q₄
B.
Q₁ < Q₂ < Q₃ < Q₄
C.
Q₁ > Q₂ > Q₄ > Q₃
D.
Q₁ > Q₄ > Q₂ > Q₃

Solution:

QUESTION: 8

Fig. shows graphs of pressure vs density for an ideal gas at two temperatures T₁ and T₂.

A.
T₁ > T₂
B.
T₁ = T₂
C.
T₁ < T₂
D.
Any of the three is possible

Solution:

QUESTION: 9

An ideal gas changes from state a to state b as shown n Fig. What is the work done by the gas in the process ?

A.
Zero
B.
Positive
C.
Negative
D.
Infinite

Solution:

QUESTION: 10

If heat is supplied to an ideal gas in an isothermal process,

A.
The internal energy of the gas will increase
B.
The gas will do positive work
C.
The gas will do negative work
D.
The said process is not possible

Solution:

QUESTION: 11

A given quantity of a gas is at pressure P and absolute temperature T. The isothermal bulk modulus of the gas is:

A.
2/3 P
B.
P
C.
3/2 P
D.
2 P

Solution:

QUESTION: 12

A liquidwith coefficient of volume expansion γ is filled in a container of amaterialhaving the coefficient of linear expansion α . If the liquid overflows on heating, then.

A.
γ > 3α
B.
γ < 3α
C.
γ = 3α
D.
None of these

Solution:

QUESTION: 13

A metallic ball and highly stretched spring are made of the same material and have the same mass. They are heated so that they melt, the latent heat required

A.
Are the same for both
B.
Is greater for the ball
C.
Is greater for the spring
D.
For the two may or may not be the same depending upon the metal

Solution:

QUESTION: 14

The relative humidity on a day,when partial pressure of water vapour is 0.012 × 10⁵ Pa at 12°C is (take vapour pressure of water at this temperature as 0.016 × 10⁵ Pa)

A.
70 %
B.
40 %
C.
75 %
D.
25 %

Solution:

QUESTION: 15

Power delivered to a body varies as P = 3 t². Find out the change in kinetic energy of the body from t = 2 to t = 4 sec.

A.
40 J
B.
56 J
C.
70 J
D.
75 J

Solution:

QUESTION: 16

For given circuit potential difference V_AB is

A.
10 V
B.
20 V
C.
30 V
D.
None

Solution:

QUESTION: 17

The transfer ratio B of a transistor is 50. the input resistance of the transistor when used inthe common emitter configuration is 1 k? The peak value of the collector AC current for an AC input voltage of 0.01 V peak is :

A.
100 μA
B.
0.01 mA
C.
0.25 mA
D.
500 μA

Solution:

QUESTION: 18

50 gm of copper is heated to increase its temperature by 10⁰C same quantity of heat is given to 10 gm of water, the rise in its temperature is (Specific heat of copper = 42 joule-kg^-1 ⁰C^-1)

A.
5⁰C
B.
6⁰C
C.
7⁰C
D.
8⁰C

Solution:

QUESTION: 19

A beaker contains 200 gm of water. the heat capacity of the beaker is equal to that of 20gm of water. The intial temperature of water in the beaker is 20⁰C, if 440 gmof hot water at 92⁰C is poured in it, the final temperature (neglecting radiation loss) will be nearest to :

A.
58⁰C
B.
68⁰C
C.
73⁰C
D.
78⁰C

Solution:

QUESTION: 20

The current (I ) in the circuit will be :-

A.
5/40 A
B.
5/50 A
C.
5/10 A
D.
5/20 A

Solution:

QUESTION: 21

On centrigrade scale the temperature of a body increases by 30 degrees. The increase in temperature on Fahrenheit scale is :

A.
50⁰
B.
40⁰
C.
30⁰
D.
54⁰

Solution:

QUESTION: 22

A vertical column 50 cm long at 50°C balances another column of same liquid 60 cm long at 100°C. The coefficient of absolute expansion of the liquid is :

A.
0.005/°C
B.
0.0005/°C
C.
0.002/°C
D.
0.0002/°C

Solution:

QUESTION: 23

A bar of iron is 10 cm at 20°C. At 19°C it will be ( α of iron =11 × 10^-6/°C)

A.
11 × 10^-6 cm longer
B.
11 × 10^-6 cm shorter
C.
11 × 10^-5 cm shorter
D.
11 × 10^-5 cm longer

Solution:

QUESTION: 24

During the expansion process of a gas from 1m³ to 10 m³ while pressure changes accroding to equation P = 30V² – 20V + 100. What is the work done by gas (in Joules) (Where pressure is in Pa and volume is in m³)

A.
9000
B.
9050
C.
9900
D.
1050

Solution:

QUESTION: 25

The ratio of specific heats of a gas is, then the numb r of degrees of freedom of the gas molecules for translational motion is:

A.
7
B.
3
C.
6
D.
None

Solution:

QUESTION: 26

Four containers are filled with monoatomic ideal gases For each container, the number of moles, the mass of an individual atom and the rms spee of the atoms are expressed in terms of n, m and v_rms respectively. If T_A, T_B, T_C and T_D are their temperatures respectively then which one of the options correctly represents the order ?

A.
T_B = T_C > T_A > T_D
B.
T_D > T_A > T_C > T_B
C.
T_D > T_A = T_B > T_C
D.
T_B > T_C > T_A > T_D

Solution:

QUESTION: 27

In figure,P-V curve of an ideal gas is given. During the process, the cumulative work done by the gas

A.
Continuously increases
B.
Continuously decreases
C.
First increases then decreases
D.
First decreases then increases

Solution:

QUESTION: 28

A fixed mass of gas undergoes the cycle of changes represented by PQRSP as shown in Figure. In some of the changes, work is done on the gas and in others, work is done by the gas. In which pair of the changes work is done on the gas?

A.
PQ and RS
B.
PQ and QR
C.
OR and RS
D.
RS and SP.

Solution:

QUESTION: 29

A cylinder of capacity 20 litres is filled with H₂ gas and the pressure of hydrogen in the cylinder is 5 × 10⁶ N/m². Then total average kinetic energy of translatory motion of its molecules is :

A.
0.5 × 10⁵ J
B.
1 × 10⁵ J
C.
1.5 × 10⁵ J
D.
2 × 10⁵ J

Solution:

QUESTION: 30

Two ideal gases at absolute temperature T₁ and T₂ are mixed. There is no loss of energy. The masses of the molecules are m₁ and m₂ and the number of moles in the gases are n₁ and n₂ respectively. The temperature of mixture will be.

A.
energy
B.
C.
D.
(T₁ + T₂)

Solution:

QUESTION: 31

A sealed container with negligible coefficient of volumetric expansion contains helium (a monoatomic gas). When it is heated from 300K to 600 K, he average K.E. of helium atoms is:

A.
Halved
B.
Unchanged
C.
Doubled
D.
Increased by factor √2

Solution:

QUESTION: 32

A vertical conducting ring of radius R falls vertically with a speed V in a horizontal uniform magnetic field B which is perpendicular to the plane of the ring :

A.
A and B are at same potential
B.
C and D are at same potential
C.
Current flows in clockwise direction
D.
Current flows in anticlockwise direction

Solution:

QUESTION: 33

A wire loop has been bent so that it has three segment : segment ab (a quarter circle), bc (a square corner), and ca (straight) as shown in the figure. There are four choi s for a magnetic field through the loop namely B₁,B₂,B₃ and B₄ as expressed in the options. By choosing which one, the induced current will be maximum :

where B is in mT and t is in seconds

Solution:

QUESTION: 34

Electric flux through a surface of area 100 m² lying in the xy plane is (in V-m) if

A.
100
B.
141.4
C.
173.2
D.
200

Solution:

QUESTION: 35

Consider two thin uniformly charged concentric shells of radii r and 2r having charges Q and –Q respectively, as shown. Three points A, B and C are marked at distances r/2,3r/2 and ?5r/2? respectively from their common centre. If E_A, E_B and E_C are magnitudes of the electric fields at points A, B and C respectively then

A.
E_A > E_B > E_C
B.
E_C > E_B > E_A
C.
E_B > E_A = E_C
D.
E_B > E_A > E_C

Solution:

QUESTION: 36

Assuming that the law of gravitation is of the form F = and attractive.A body of mass m revolves in a circular path of radius r around a fixed body of mass M. Find on what power of r will the square of time period depend.

A.
8
B.
4
C.
7
D.
12

Solution:

QUESTION: 37

The gravitational potential energy of a satellite revolving around the earth in circular orbit is – 4 MJ. Find the additional energy (in MJ) that should be given to the satellite so that it escapes from the gravitational field of earth. Assume earth's gravitational force to be the only gravitational force on the satellite and no atmospheric resistance.

A.
5
B.
9
C.
2
D.
None of these

Solution:

QUESTION: 38

The acceleration time graph of a particle moving along a straight line is as shown in the figure. At what time the particle acquires its velocity equal to initial velocity ?

A.
12 sec
B.
5 sec
C.
8 sec
D.
None of these

Solution:

QUESTION: 39

A bullet is fired with speed 50 m/s at 45° angle find the height of the bullet when its direction of motion makes angle 30° with the horizontal

A.
125/3
B.
125
C.
75/3
D.
75

Solution:

QUESTION: 40

An aeroplane is flying in a horizontal direction with a velocity of 600 km/hour and at a height of 1960 m. When it is vertically above the point A on the ground a body is dropped from it. The body strikes the ground at point B. Calculate the distance AB.

A.
5.133 km
B.
1.233 km
C.
0.333 km
D.
3.333 km

Solution:

QUESTION: 41

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Photosensitivity of a metal is high if its work function is small.
Reason : Work function = hf₀ where f₀ is the threshold frequency

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 42

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion: In the procesof photoelectric emissional the emitted photoelectrons have the same kinetic energy.
Reason : The photon transfers its energy partially to the electron of the atom in photoelectric effect

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 43

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Intensity of X-rays can be controlled by adjusting the filament current and voltage.
Reason : The intensity of X-rays does not depend on number of X-rays photons emitted per second from the target.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 44

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Soft and hard X-rays differ in frequency as well as velocity.
Reason : The penetrating power of hard X-rays is same as the penetrating power of soft X-rays.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 45

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Neutrons penetrate matter more redily as compared to protons.
Reason : Neutrons are slightly more massive than protons.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 46

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : A charged particle undergoes non-rectilinear motion in a constant magnetic field. The only force acting on the particle is the magnetic force. Then kinetic energy of this particle remains constant but momentum of the particle changes.
Reason : A force that always acts on the particle in direction perpendicular to its velocity does no work on the particle. But whenever net force acts on the particle, momentum of the particle changes.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 47

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : No electric current will be present within a region having uniform and constant magnetic field.
Reason : Within a region of uniform and constant magnetic field , the path integral of magnetic field along any closed path is zero. Hence f om Ampere circuital law (where the given terms have usual meaning), no curren can be present within a region having uniform and constant magnetic field.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 48

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Electric field produced by changing magnetic field is nonconservative.
Reason : For the electric field E induced by a changing magnetic field which has closed ines of force,

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 49

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Two coaxial conducting rings of different radii are placed in space. The mutual inductance of both the rings is maximum if the rings are also coplanar.
Reason : For two coaxial conducting rings of different radii, the magnitude of magnetic flux in one ring due to current in other ring is maximum when both rings are coplanar

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 50

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : When an external resistor of resistance R (connected across a cell of internal resistance r) is varied, power consumed by resistance R is maximum when R = r.
Reason : Power consumed by a resistor of constant resistance R is maximum when current through it is maximum.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 51

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : If the absolute temperature of a gas is doubled, the final rms-velocity of the gas particles becomes √2 times the initial value.
Reason : The average translational kinetic energy of molecules in a gas is equal to both
(which is how v_rms is defined) and also 3/2kT.( where v_rms, k and T have usual meanings)

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 52

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Two large sheets, one conducting and another non conducting and placed separately, are given equal amount of charges that are uniformally distributed. Electric field at nearby points for both the sheets will be same.
Reason : Since charge distribution is same, elecric field will be same.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 53

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : When two positively charged conducting spheres are brought together and then taken away, larger sphere gets larger quantity of charges
Reason : Larger sphere has more surface area.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 54

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion :A parallelplate capacitor is charged to a potential difference of 100V, and disconnected from the voltage source.Aslab of dielectric is then owly inserted between the plates. Compared to the energy before the slab was inserted, the energy stored in the capacitor with the dielectric is decreased.
Reason : When we insert a dielectric between the plate of a capacitor, the induced charges tend to draw in the dielectric into the field ( just a neutral objects are attracted by charged objects due to induction). We resist this force while slowly inserting the dielectric, and thus do negative work on the system, removing electrostatic energy from the system.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 55

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : To put a dielectric plate in the interspace between two plates of a capacitor connected to a D.C. voltage external agency has to do negative work.
Reason : Putting the dielectric increases the capacitance.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
Aand R are false

Solution:

QUESTION: 56

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : For calculation of current in resistors of resistance R₁, R₂ and R₃ in the circuit shown in figure 1, the circuit can be redrawn as shown in figure 2 (this means that circuit shown in figure 2 is equivalent to circuit shown in figure 1). All the cells shown are ideal and identical

Reason : Whenever potential difference across two resistors is ame, both resistors can be assumed as a combination of two resistors in parallel.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 57

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : As the temperature of the blackbody increases, the wavelength at which the spectral intensity (E_λ ) is maximum decreases.
Reason : The wavelength at which the spectral intensity will be maximum for a black body is proportional to the fourth power of its absolute temperature.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 58

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Average power consumed in an ac circuit is equal to average power consumed by resistors in the circuit.
Reason : Average power consumed by capacitor and inductor is zero

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 59

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Average power consumption by a capacitor of one cycle for a sinusoidally varyingac current is zero.
Reason : The power consumed by a capacitor in a sinusoidally varying ac circuit is zero for every small time interval.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 60

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : A gas is kept in an insulated cylinder with a movable piston, in compressed state. As the piston is released, temperature of the gas decreas .
Reason : According to the kinetic theory of gas, a molecule colliding with the pistonmust rebound with less speed than it had before the collision. Hence average speed of the molecules is reduced.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 61

For a real gas ‘G’ Z > 1 at STP Then for ‘G’ : Which of the following is true :

A.
1 mole of the gas occupies 22.4 L at NTP
B.
1mole of the gas occupies 22.4 L at pressure high than that atSTP(keeping temperature constant)
C.
1 mole of the gas occupies 22.4 L at pressure lowe than that atSTP(keeping temperature constant)
D.
None of the above

Solution:

QUESTION: 62

Calculate the compressibility factor for CO₂, if one mole of it occupies 0.4 litre at 300 K and 40 atm.Comment on the result

A.
0.40,CO₂ is more compressible than ideal gas
B.
0.65,CO₂ ismore compressible than ideal gas
C.
0.55,CO₂ is more compressible than ideal gas
D.
0.62,CO₂ is more compressible than ideal gas

Solution:

QUESTION: 63

Osmosis result from

A.
Increase in entropy in semipermable
B.
Decrease in entropy in less diluted solution
C.
Decrease in internalenergy of less diluted solutio n
D.
Decrease in entropy of more diluted solution.

Solution:

QUESTION: 64

The IUPAC name of K₂[Cr(CN)₂O₂(O)₂(NH₃)] is :

A.
Potassium amminecyanoperoxodioxochromatic(VI).
B.
Potassium amminedicyanoperoxodioxochromium(VI).
C.
Potassium amminecyanoperoxodioxochromium(VI).
D.
Potassium amminedicyanodioxoperoxochromate(VI).

Solution:

QUESTION: 65

The increase in volume of air,when temperature of 600ml of it, is increased from 27°C to 47°C under constant pressure, is

A.
20 mL
B.
80 mL
C.
40 mL
D.
500 mL

Solution:

QUESTION: 66

The rates of diffusion of two gases A and B are in the mass ratio 1 : 4. Then the ratio of molecular masses :

A.
1/12
B.
5/24
C.
16
D.
1/16

Solution:

QUESTION: 67

If the radius of a metal atom is 2.00 Å and its crystal structure in cubic close packed (fcc lattice), what is the volume (in cm³) of one unit cell ?

A.
8.00 × 10^-24
B.
1.60 × 10^-23
C.
1.80 × 10^-22
D.
2.26 × 10^-23

Solution:

QUESTION: 68

Bariumions,CN^- and Co(II) from a water soluble complex with Ba²⁺ as free cations. for a 0.01M solution of this complex osmotic pressure is observed to be equal to 0.984 atm. at 300K and the degree of dissociation is 75%. What can be the minimum coordination number of Co(II) in this complex ?

A.
3
B.
4
C.
5
D.
6

Solution:

QUESTION: 69

A helium atom is two times heavier than a hydrogen molcule at 298 K, the average kinetic energy of helium at same temperature is :

A.
Two times that of hydrogen molecules
B.
Same as that of hydrogen molecules
C.
Four time that of hydrogen molecules
D.
Half that of hydrogen molecules

Solution:

QUESTION: 70

A real gas most closely approaches the behaviour of an ideal gas at -

A.
15 atm and 200K
B.
1 atm and 273 K
C.
0.5 atm and 500K
D.
15 atm and 500K

Solution:

QUESTION: 71

What is the correct increasing order of ease of liquifiability of the gases ?

A.
H₂ < N₂ < CH₄ < CO₂
B.
CO₂ < CH₄ < N₂ < H₂
C.
H₂ < CH₄ < N₂ < CO
D.
CH₄ < H₂ < N₂ < CO₂

Solution:

QUESTION: 72

A gas Cl₂ at 1 atm is bubbled through a solution containing a mixture of 1 M Br^-1 and 1 M F^-1 at 25ºC. If the reduction potential is F > Cl > Br, then :

A.
Cl₂ will oxidise Br^- and not F^-
B.
Cl₂ will oxidise F^- and not Br^-.
C.
Cl₂ will oxidise both Br^- and F^-
D.
Cl₂ will reduce both Br^- and F^-

Solution:

QUESTION: 73

A bottle of dry NH₃ &. a bottle of dry HCl connected through a long tube are opened simultaneously at both ends. The white ammonium chloride ring first formed will be:

A.
At the centre of the tube
B.
Near the HCl bottle
C.
Near the NH₃, bottle
D.
Through out the length of tube

Solution:

QUESTION: 74

A solid has a structure in whichW atoms are located at the corners of a cubic lattice. O atom at the center of the edges and Na atom at center of the cube. The formula for the compound is

A.
NaWO₂
B.
NaWO₃
C.
Na₂WO₃
D.
NaWO₄

Solution:

QUESTION: 75

The correct relationship between critical temperature (T_C) and Boyle's temperature (T_B) for CO₂ gas is:

A.
T_B > T_C
B.
T_B < T_C
C.
T_B = T_C
D.
Nothing can be predicted

Solution:

QUESTION: 76

The two aqueous solutions;A(AgNO₃) and B(LiCl) were electrolysed using Pt. electrodes.The pH of the resulting solutions will

A.
Increase in A and decrease in B
B.
Decrease in both
C.
Increase in both
D.
Decrease in A and increase in B.

Solution:

QUESTION: 77

The standard electrode potentials (reduction) of Pt/Fe²⁺ , Fe³⁺ and Pt/Sn⁴⁺, Sn²⁺ are + 0.77 V and 0.15 V respectively at 25° C. The standard EMF of the reaction Sn⁴⁺ + 2Fe²⁺ → Sn²⁺ + 2Fe³⁺ is

A.
– 0.62 V
B.
– 0.92 V
C.
+ 0.31 V
D.
+ 0.85 V

Solution:

QUESTION: 78

Equivalent conductance of 1M CH₃COOH is 10 ohm^-1 cm² equiv^-1 and that at infinite dilution is 200 ohm^-1 cm², equiv^-1. Hence % ionisation of CH₃COOH is :

A.
5%
B.
2%
C.
4%
D.
1%

Solution:

QUESTION: 79

A solution containing one mol per litre each of Cu(NO₃)₂, AgNO₃, Hg(NO₃)₂ and Mg(NO₃)₂ is being electrolysed by using inert electrodes. The values of the standard oxidation potentials in volts are Ag/Ag⁺ = –0.8 V ; Hg/Hg²⁺ = –0.79 V; Cu/Cu²⁺ = – 0.34 V ; Mg/Mg²⁺ = 2.37 V. The order in which metals will be formed at cathode will be -

A.
Ag, Cu, Hg, Mg
B.
Ag, Hg, Cu, Mg
C.
Ag, Hg, Cu
D.
Cu, Hg, Ag

Solution:

QUESTION: 80

Nitrobenzene is electrolytically reduced into aniline by passing a current of 8 ampere for 2 hrs. If the current efficiency be 75%, then the amount of aniline produced is nearly : [Atomic mass : C = 12, H = 1, N = 14, O= 16]

A.
7 g
B.
12.3 g
C.
6.15 g
D.
5 g

Solution:

QUESTION: 81

The pH of 0.5L of 1.0 M NaCl after electrolysis for 965 seconds using 5.0 amp. current is :

A.
1.0
B.
10.7
C.
13.0
D.
1.30

Solution:

QUESTION: 82

Diethylenetriamine is:

A.
Chelating agent
B.
Tridentate neutral molecule
C.
Tridentatemonoanion
D.
(a) and (b) both

Solution:

QUESTION: 83

If this represents FCC of CaF₂, then shaded plane passes through the centre of howmany fluoride and calcium ions respectively :

A.
4, 4
B.
6, 6
C.
2, 4
D.
4, 6

Solution:

QUESTION: 84

Which of the following is correct for both the following coordination compounds ?
(I) CoCl₃.6NH₃ and (II) PtCl₄.5NH₃

A.
They give white precipitate with AgNO₃ solution.
B.
They have different primary valencies for the central metal ions.
C.
Both (a) and (b)
D.
None of these

Solution:

QUESTION: 85

Consider the following statements and select the correct option using the codes given.
(i) [Cr(NH₃)₆][Cr(CN)₆] and [Cr(NH₃)₄(CN)₂] [Cr(NH₃)₂(CN)₄] are coordination isomers.
(ii) Wilkinson catalyst is [Ir Cl(Co)(PPh₃)₂]
(iii) [Pt(NH₃)₄Br₂]Cl₂ and [Pt(NH₃)₄Cl₂]Br₂ are linkage isomers.
(iv) [NiCl₂(PPh₃)₂] (tetrahedral) exhibits geometrical isomerism

A.
(i) only
B.
(i) and (ii) only
C.
(ii) and (iii) only
D.
(iii) and (iv) only

Solution:

QUESTION: 86

Match Column-I with Column-II and select the correct answer with respect to hybridisation using the codes given below :

A.
(I) - q, (II) - p, (III) - r, (IV) - s
B.
(I) - p, (II) - q, (III) - s, (IV) - r
C.
(I) - p, (II) - q, (III) - r, (IV) - s
D.
(I) - q, (II) - p, (III) - s, (IV) - r

Solution:

QUESTION: 87

Figure shows a cube of unit cell of CCP arrangement with face centered atoms marked 1, 2, 3.Which of the following statements is true.

A.
Atom 3 is twice as far from 1 as from 2
B.
Atom 2 is equidistant from atoms 1 & 3.
C.
Atom 2 is nearer to 1 than to 3.
D.
All atoms lie on a right angled triangle.

Solution:

QUESTION: 88

For the conversion of benzene into m-chlorobenzoic acid the correct sequence of reagents is

A.
(i) C₂H₅Cl,AlCl₃ (ii) Cl₂,Fe (iii) KMnO₄,H⁺ ,Δ
B.
(i) CO,HCl,AlCl₃ (ii) Cl₂,Fe (iii) KMnO₄,H⁺,Δ
C.
(i) Cl₂,AlCl₃ (ii) C₂H₅Cl,AlCl₃ (iii) KMnO₄,H⁺,Δ
D.
(i) HCOOH, AlCl₃ (ii) Cl₂,Fe

Solution:

QUESTION: 89

Major product of this reaction is :

Solution:

QUESTION: 90

Rate for nucleophilic substitution reaction for the following compounds is :

A.
i>ii>iii>iv
B.
iii>iv>i>ii
C.
iv>iii>i>ii
D.
iv>iii>ii>i

Solution:

QUESTION: 91

is :

Solution:

QUESTION: 92

Compare the rate of electrophilic substitution reaction and select the correct option.

C₆H₆ + Conc. HNO₃

C₆D₆ + Conc. HNO₃

C₆H₆ + Conc. H₂SO₄

C₆D₆ + Conc. H₂SO₄

A.
K₁ = K₂ & K₃ = K₄
B.
K₁ = K₂ & K₃ > K₄
C.
K₁ > K₂ & K₃ > K₄
D.
K₁ < K₂ & K₃ < K₄

Solution:

QUESTION: 93

Solution:

QUESTION: 94

Product is :

Solution:

QUESTION: 95

Carboxylic acids are formed by the reaction of Grignard reagent with

A.
Carbon monooxide
B.
Carbon dioxide
C.
Ester
D.
Formaldehyde

Solution:

QUESTION: 96

Lindane (BHC) can be obtained by the reaction of benzene with :

A.
/Anhydrous AlCl₃
B.
C₂H₅I / Anhydrous AlCl₃
C.
Cl₂ in sunlight
D.
CH₃–Cl / Anhydrous AlCl₃

Solution:

QUESTION: 97

A.
B.
C.
D.
None

Solution:

QUESTION: 98

Which of the following pair of compounds can not show Friedal Craft reaction ?

Solution:

QUESTION: 99

Which of the following order is correct toward reactivity of electrophilic substitution reaction ?

A.
III >V > II > I > IV
B.
III > V > I > II > IV
C.
V > III > II > I > IV
D.
III > I > II > V > IV

Solution:

QUESTION: 100

Major Product is :

Solution:

QUESTION: 101

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Pressure exerted by a mixture of gases is equal to the sum of their partial pressures.
Reason : Reacting gases react to form a new gas having pressure equal to the sum of both.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 102

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : The diffusion rate of oxygen is always smaller than that of nitrogen at different pressure.
Reason : Molecular mass of nitrogen is greater than that of oxygen

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 103

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Excluded volume or co-volume equals to (V–nb) for n moles gas.
Reason : Co-volume do not depends on the effective size of gas molecules

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 104

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Eº_cell = 0 for a chloride ion concentration cell.
Reason : For this concentration cell where

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 105

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Absolute value of E⁰_red of an electrode cannot be determined.
Reason : Neither oxidation nor reduction can take place alone

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 106

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Conductivity always decreases with the decreased in concentration both the weak and strong electrolytes.
Reason : No. of ions per unit volume linearly decreases in both electrolytes

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
Aand R are false

Solution:

QUESTION: 107

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Molar conductivity of a weak electrolyte at infinite d lution cannot be determined experimentally.
Reason : Kohlrausch law help to find the molar conductivity of a weak electrolyte at infinite dilution

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 108

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Galvanised iron does not rusted
Reason : is less than

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 109

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : The molar mass obtained for benzoic acid in benzene is found to be nearly 244.
Reason : Benzoic acid has the formula

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 110

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : In HCP structure the contribution of hexagonal face corner per atom is 1/12.
Reason : It is shared by 6 different unit cell

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 111

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : An ionic structure is composed of oppositely charged ions.
Reason : If the larger ions are close packed, then he smaller ions may occupy either the octahedral holes or the tetrahedral holes depending on their size.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 112

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below

Assertion : Co-ordination number of cobalt in the complex [Co(en)₃]³⁺ is six.
Reason : Ethylenediamine acts as a bidentate ligand.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 113

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : In the complex [Co(NH₃)₃Cl₃], chloride ions satisfy the primary valencies as well as the secondary valencies of cobalt metal.
Reason : [Co(NH₃)₃Cl₃] shows geometrical as well as optical isomerism

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 114

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below

Assertion :Toluene undergoes electrophilic substitution more readily than benzene.
Reason : Toluene gives a mixture of o- and p- products

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
Aand R are false

Solution:

QUESTION: 115

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Halogens are deactivating but o/p-directing in electrophilic aromatic substitution.
Reason : – effect of halogens deactivate the benzene ring while +M effect decides the orientation of incoming electrophile.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 116

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below

Assertion :Phenol gives o- and p-nitrophenolmainly on nitration with conc. HNO₃ and H₂SO₄ mixture.
Reason : –NO₂ group is o/p-directing group.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 117

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : In Fries rearrangement when phenyl benzoate is heated with AlCl₃ , it produces o-& phydroxy
benzophenone.
Reason : Oxygen atom present on benzene nucleus is ortho-para directing group.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 118

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below

Assertion : Reactivity order for aromatic nucleophilic substitution is Ph-I>Ph-Br>Ph-Cl>Ph-F.
Reason : Because leaving ability of halogens decide the rate of aromatic nucleophilic substitution

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 119

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Diphenyl can not be prepared by following reaciton

Reason : Phenyl chloride is very weakly ionised by AlCl₃ because Ph⁺ carbocation is very less stable.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 120

The following questions consist of two statements one labelled ASSERTION (A) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : 1-Hydroxypropanone is oxidised by periodate (HIO₄).
Reason : Glycol on periodate (HIO₄) oxidation gives formic acid.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 121

If only FAD is hydrogen acceptor in aerobic respiration instead of NAD⁺, than how many total ATP may generate by the complete oxidation of one mole of glucose.

A.
24
B.
26
C.
30
D.
28

Solution:

QUESTION: 122

Regarding to androecium of given families. Match the following

A.
A → (iv) , B → (ii), C → (iii), D → (i)
B.
A → (i) , B → (ii), C → (iii), D → (iv)
C.
A → (iv) , B → (iii), C → (ii), D → (i)
D.
A → (ii), B → (i), C → (iv), D → (iii)

Solution:

QUESTION: 123

Which is wrong about Rhizobium

A.
It is gram negative bacteria
B.
It is anaerobic in free living state & aerobic during symbiotic association
C.
It has nod, nif and fix genes for regulation of N₂ fixation
D.
None of the above

Solution:

QUESTION: 124

Free living nitrogen fixing anaerobic, photosynthetic bacteria is

A.
Bacillus
B.
Azotobacter
C.
Rhodospirillum
D.
Both (a) & (c)

Solution:

QUESTION: 125

The low level of N, S, Mo causes

A.
Necrosis
B.
Chlorosis & loss of apical dominance
C.
Decreasing fruiting
D.
Delaying flowering

Solution:

QUESTION: 126

The floral formula is that of

A.
Tomato
B.
Tulip
C.
Soyabean
D.
Sunhemp

Solution:

QUESTION: 127

Trimerous flower, superior ovary with axile placentation are characteristic of

A.
Liliaceae
B.
Cucurbitaceae
C.
Solanaceae
D.
Asteraceae

Solution:

QUESTION: 128

Given below the some statements.
(1) Transpiration transports minerals from the soil to all parts of the plant.
(2) C₃ plants are twice as efficient as C₄ plants in terms of fixing carbon & loses only half as much water as a C₄plant.
(3) Both phloem & xylem can translocate organic as well as inorganic substances
(4) HighTurgor pressure of guardcells is developed d to ascent of sapbyTranspiration pull inday time.
Select the incorrect statements

A.
1, 4
B.
2, 4
C.
3, 4
D.
only 2

Solution:

QUESTION: 129

Which of the following is incorrectly matched with its diagram in respect to placentation

Solution:

QUESTION: 130

Given below the following statements
(a) The ATP & NADPH+ H⁺ both form in cyclic photophosphorylation.
(b) When pH of lumen of thylakoid is higher it causes formation of ATP finally.
(c) ATP, O₂, NADPH + H⁺ form in non cyclic photophosphorylation.
(d) In C₄ plants C₃ cycle takes place in stroma of chloroplast of bundle sheath.
How many above statements are true –

A.
4
B.
3
C.
1
D.
2

Solution:

QUESTION: 131

Match the column

A.
a → i, b → iii, c → ii, d → v, e → iv
B.
a → i, b → iii,c → v, d → i, e → ii
C.
a → v, b → i, c → iv, d → iii, e → ii
D.
a → v, b → iii, c → iv, d → i, e → ii

Solution:

QUESTION: 132

Eichhornia, chrysanthemum, Cucumber,Pea, Ginger, Amorphophallus(Zaminkand), grasses, strawberry,colocasia
On the basis of above names given below the following statements
(a) colocasia has corm while cucumber has stem tendril
(b) Eichhornia shows offset while strawberry is runner
(c) Chrysanthemum is sucker while Amorphophallus(Zaminkand) is rhizome
(d) Pea shows leaflet tendril while colocasia has both stolon and corm
How many above statements are wrong

A.
1
B.
2
C.
3
D.
4

Solution:

QUESTION: 133

After completion of Reduction, howmanyATP are required for the regeneration of one RuBP during a calvin cycle

A.
1
B.
3
C.
6
D.
2

Solution:

QUESTION: 134

Which hormone help in nodule formation

A.
Auxin
B.
Gibberellin
C.
Cytokinin
D.
A & C both

Solution:

QUESTION: 135

Match the Column

A.
a – iv, b – v, c – ii, d – iii, e – i
B.
a – i, b – v, c – ii, d – iii, e – iv
C.
a – iv, b – iii, c – i, d – v, e – ii
D.
a – v, b – iv, c – i, d – iii, e – ii

Solution:

QUESTION: 136

How many mega spore mother cells will involve in formation of 400 seeds of cyperaceae

A.
600
B.
500
C.
800
D.
400

Solution:

QUESTION: 137

Colchicum autumnale is a member of

A.
Brassicaceae
B.
Liliaceae
C.
Poaceae
D.
Fabaceae

Solution:

QUESTION: 138

Study the following diagram

In which of the following options correct word for all the four blanks, A, B, C and D.

A.
A - FAD, B - Cyt C₁, C - Inter membrane space, D - Cyt F
B.
A - FMN, B - Inner mitochondrial membrane, C - Cyt C₁, D - Cyta - a₃
C.
A - NAD, B - Matrix of mitochondria, C - Cyt C₁, D - Cyt a
D.
A - FMN, B - Inter membrane space, C - QH₂, D - Cyta a₃

Solution:

QUESTION: 139

Which is not a function of boron

A.
Translocation of sugar
B.
Cell elongation & pollen germination
C.
Cell differentiation
D.
required for uptake and utilisation of Cu⁺²

Solution:

QUESTION: 140

Number of ATP formed per molecule of oxygen used in respiration is

A.
16
B.
6
C.
8
D.
4

Solution:

QUESTION: 141

Fill in the blanks spaces with the help of diagrammatic representation and select the right option

A.
A → External Auditory Meatus, B → Eustachian Tube,C → Tympanic Membrane, D → Malleus,
E → Stapes
B.
A → Eustachian Tube, B → External Auditory Meatus,C → Tympanic Membrane, D → Malleus,E → Stapes
C.
A → Eustachian Tube, B → External Auditory Meatus,C → Tympanic Membrane, D → Stapes,
E → Malleus
D.
A → External Auditory Meatus, B → Eustachian Tube, C → Tympanic Membrane, D → Stapes,
E → Malleus

Solution:

QUESTION: 142

Read the following statements carefully–
I. Some tissues specially the neural tissues have lipids with simple structure.
II.Nucleic acids like DNA and RNA consist of nucleotides only.DNA and RNA function as genetic material
III. Protein carry out many functions in living organisms, some transport nutrients across cell membrane, some fight infectous organisms, some are hormones, some are enzymes.
IV. There are some nucleic acids that behave like enzymes are called ribozymes.
How many statements are true–

A.
1
B.
2
C.
3
D.
4

Solution:

QUESTION: 143

MALT found in–

A.
Urogenital tract
B.
Digestive tract
C.
Respiratory tract
D.
All of the above

Solution:

QUESTION: 144

Match the column I with column II and select the right option.

A.
A → i, B → iv, C → v, D → iii, E → ii, F → viii, G → vii, H → vi
B.
A → iv, B → i, C → v, D → iii, E → ii, F → vii, G → viii, H → vi
C.
A → i, B → iv, C → iii, D → v, E → ii, F → viii, G → vi, H → vii
D.
A → iv, B → i, C → iii, D → ii, E → v, F → vii, G → vi, H → viii

Solution:

QUESTION: 145

A patient is hooked up to a monitoring machine that show voltage traces on a screen and makes the sound “...pip...pip...pip...peeeeeeeeeeeeeeee” as the patient goes in to ____________.

A.
Heart failure
B.
Heart attack
C.
Cardiac arrest
D.
CAD

Solution:

QUESTION: 146

Match the letters A up to G with the following aspects:–
i. Progesterone
ii FSH
iii. Follicular phase
iv. Estrogen
v. LH
vi. Developing corpus Luteum
vii. Ovulation
viii. Ovum

A.
A → v, B → ii, C → i, D → iv, E → vi, F → iii, G → vii
B.
A → v, B → ii, C → iv, D → i, E → vi, F → iii, G → viii
C.
A → ii, B → v, C → iv, D → i, E → vi,F → iii, G → vii
D.
A → ii, B → v, C → iv, D → i, E → iii, F → vi, G → viii

Solution:

QUESTION: 147

Endrogens acts on the ________and influence the male sexual behaviour (libido)

A.
CNS
B.
PNS
C.
ANS
D.
SNS

Solution:

QUESTION: 148

Match the column I with column II and select the right option

A.
A → iv, B → vii, C → vi, D → viii, E → iii, F → ii, G → i, H → v
B.
A → iv, B → v, C → vi, D → viii, E → i, F → ii, G → iii, H → vii
C.
A → vi, B → v, C → iv, D → viii, E → ii, F → i, G → iii, H → vii
D.
A → iv, B → v, C → vi, D → vii, E → i, F → ii, G → iii, H → viii

Solution:

QUESTION: 149

Collagenase is an enzyme that breaks the peptide bonds in collagen.
Excessive secretion of this enzyme will lead to weakening of:
1. bones
2. tendons
3. intervertebral discs
4. hair shafts
5. nails & claws

A.
1, 4, & 5
B.
2, 3 & 5
C.
1, 2, & 4
D.
1, 2, & 3

Solution:

QUESTION: 150

The process of child birth is called parturition which is induced by a complex neuroendocrine mechanism involving______________.

A.
Cortisol
B.
Estrogen
C.
Oxytocin
D.
All of the above

Solution:

QUESTION: 151

Identify A to H in the diagrammatic reprsentations and the column I with column II.

A.
A → ii, B → vi, C → iv, D → viii, E → i, F → v, G → vii, H → iii
B.
A → ii, B → vi, C → iv, D → viii, E → i, F → v, G → iii, H → vii
C.
A → vi, B → ii, C → iv, D → viii, E → i, F → v, G → iii, H → vii
D.
A → vi, B → ii, C → iv, D → viii, E → i, F → v, G → vii, H → iii

Solution:

QUESTION: 152

What is most correct for T-lymphocyte

A.
The T-lymphocyte mediate CMI
B.
Thymus providve macro environments for the development and maturation of T-lymphocyte
C.
The B-cells themselves do not secrete antibodies but help T-cells produce them
D.
The thymus gland secrets thymosins which play a minor role in the differentiation of T-lymphocytes

Solution:

QUESTION: 153

Observe the above diagrammatic representation. Identify A to G with the following aspects:–
i. Growth
ii. I^st Meiotic division
iii. Ootid
iv. Spermatid
v. Secondary oocyte
vi. Puberty
vii. First polar body
viii. n
ix. 2n
x. Fetal life

A.
A → i,B → iv,C → ix,D → x,E → vi, F → vii,G → iii
B.
A → ii,B → iv,C → viii,D → vi,E → ix, F → vii,G → iii
C.
A → i,B → iv,C → viii,D → x,E → vi, F → vii,G → iii
D.
A → ii,B → iv,C → viii,D → x,E → vi, F → vii,G → v

Solution:

QUESTION: 154

Which of the following structures are ‘homologous’ from the evolutionary point of view?

A.
Petals of rose and the anther of an apple blossom.
B.
Wings of a bird and wings of a butterfly
C.
Spines of a cactus and spines of a porcupine.
D.
Flagellum of Euglena and the cilium of paramecium.

Solution:

QUESTION: 155

Match the column I with column II.

A.
A → iv, B → vii, C → vi, D → x, E → i, F → viii, G → v, H → ii, I → iii, J → ix
B.
A → iv, B → iii, C → viii, D → x, E → i, F → vi, G → v, H → ii, I → vii, J → ix
C.
A → iv, B → vii, C → viii, D → x, E → i, F → vi, G → v, H → ii, I → iii, J → ix
D.
A → iv, B → x, C → viii, D → vii, E → i, F → vi, G → v, H → ii, I → iii, J → ix

Solution:

QUESTION: 156

The circulatory system shown below represents:

A.
A bird.
B.
An amphibian
C.
A mammal.
D.
A fish

Solution:

QUESTION: 157

Observe the above diagrammatic representation and fill in the blanks spaces.
The membranes constituting cochlea, the ______(A)_____ and _____(B)______, divide the surrounding perilymph filled bony labyrinth into anupper ______(C)_______ and a lower ___(D)____. The space within cochlea called _____(E)_____ is filled with endolymph

A.
A → Reissner ’s Membrane, B → Basilar Membrane, C → Scala Tympani, D → Scala Vestibuli,E → Scala Media
B.
A → Basilar Membrane, B → Reissner ’s Membrane, C → Scala Vestibuli, D → Scala Tympani,E → Tectorial Membrane
C.
A → Reissner ’s Membrane, B → Basilar Membrane, C → Scala Vestibuli, D → Scala Tympani,E → Scala Media
D.
A → Basilar Membrane, B → Reissner ’s Membrane, C → Scala Tympani, D → Scala Vestibuli,E → Scala Media

Solution:

QUESTION: 158

Inability to canceive or produce children even after 2 years of unprotected sexual cohabitation is called______. Which methods are now available to help such couples.

A.
In vitro fertilization
B.
In-vivo fertilization
C.
Test tube baby programme
D.
Assisted reproductive technologies (ART)

Solution:

QUESTION: 159

Which of the following statement is true for vertibrate hearts or brains–
I. Example of homology
II.Have ventricles
III. ventricles are covered by epithelium
IV. Filled with CSF

A.
II only
B.
Both II and III
C.
I, II& III
D.
I, II, III and IV

Solution:

QUESTION: 160

Observe the above diagrammatic representation. Identify A to F.

A.
A → Sauropsids, B → Synapsids, C → Thecodonts,D → Pelycosaurs, E → Therapsids, F → Dinosaurs
B.
A → Synapsids, B → Sauropsids, C → Therapsids, D → Pelycosaurs,E → Thecodonts, F → Dinosaurs
C.
A → Sauropsids, B → Synapsids, C → Therapsids, D → Pelycosaurs,E → Thecodonts, F → Dinosaurs
D.
A → Synapsids, B → Sauropsids, C → Pelycosaurs, D → Thecodonts, E → Therapsids, F → Dinosaurs

Solution:

QUESTION: 161

The following questions consist of two statements one labelled ASSERTION (a) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Sixmolecules of CO₂, 12 molecules of NADPH + H⁺ and 18 ATP are required to formone hexose molecule.
Reason : Light reaction produces ATP and NADPH + H⁺

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 162

The following questions consist of two statements one labelled ASSERTION (a) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion :– Petiole modifies into leaf like structure in phyllode.
Reason :– Phyllode does not perform photosynthesis.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 163

The following questions consist of two statements one labelled ASSERTION (a) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Calcium is a constituent of cell wall
Reason : Calcium is required in mitotic division

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 164

The following questions consist of two statements one labelled ASSERTION (a) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion :– During embryo sac formation megaspore divides by incomplete mitotic divisions(free nuclear divisions).
Reason :– In these mitotic divisions karyokinesis is not immediately followed by cytokinesis

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 165

The following questions consist of two statements one labelled ASSERTION (a) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : If pressure greater than atmospheric pressure is applied to pure water or solution. Its water potential decreases.
Reason :Pressure greater than atmospheric pressure leads to decrease in free energy of pure water or solution.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 166

The following questions consist of two statements one labelled ASSERTION (a) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion: Food is transported by phloem from source to sink primarily in form of sucrose.
Reason : Sucrose is chemically inert but osmotically active.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 167

The following questions consist of two statements one labelled ASSERTION (a) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion :– Shape,margin, apex , surface and extent of incision of lamina become the basis of leaf classification.
Reason :– Shape,margins, apex, surface and extent of incisionof lamina varies in different leaves.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 168

The following questions consist of two statements one labelled ASSERTION (a) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion: Deficiency of any essential element can not be met by supplying some other elements.
Reason : The requirment of essential element is specific and not replaceable.

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

Solution:

QUESTION: 169

The following questions consist of two statements one labelled ASSERTION (a) and the another labelled REASON (R). Select the correct answers to these questions from the codes given below :

Assertion : Floral intiation is done by florigen
Reason : Florigen is translocated from flowers to leaves

A.
Both A and R are true and R is the correct explanation of A.
B.
Both A and R are true but R is not correct explanation of A
C.
A is true but R is false
D.
A and R are false

AIIMS Full Mock Test 17

200 Questions MCQ Test AIIMS Mock Tests & Previous Year Papers | AIIMS Full Mock Test 17

In the figure, at the free end of the light string, a force F is applied to keep the suspended mass of 18 kg at rest. Then the force exerted by the ceiling on the system (assume that the string segments are vertical and the pulleys are light and smooth) is: (g= 10 m/s2)

Aman stands on a weighingmachine kept inside a lift. Initially the lift is ascending with the acceleration ‘a’ due to which the reading is W. Now the lift decends with the same accleration and reading is 10 % of initial. Find the acceleration of lift ?

In the figure, at the free end of the light string, a force F is applied to keep the suspended mass of 18 kg at rest. Then the force exerted by the ceiling on the system (assume that the string segments are vertical and the pulleys are light and smooth) is: (g= 10 m/s²)