SRMJEE Mock Test (Med) - 2


105 Questions MCQ Test SRMJEEE Subject Wise & Full Length Mock Tests | SRMJEE Mock Test (Med) - 2


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Attempt SRMJEE Mock Test (Med) - 2 | 105 questions in 150 minutes | Mock test for JEE preparation | Free important questions MCQ to study SRMJEEE Subject Wise & Full Length Mock Tests for JEE Exam | Download free PDF with solutions
QUESTION: 1

A 0.7 Henry inductor is connected across a 120V - 60Hz A.C. source. The current in the inductor will be very nearly

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QUESTION: 2

The third line of Balmer series of an ion equivlaent to hydrogen atom has wavelength of 108.5 nm. The ground state energy of an electron of this ion will be

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QUESTION: 3

In purely inductive circuit, the relation of phase between current and voltage is

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QUESTION: 4

A particle is moving on a circular path with constant speed, then its acceleration will be

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QUESTION: 5

A mass m falls freely from rest. The linear momentum after it has fallen through a height h is

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QUESTION: 6

The drift velocity of free electrons in a conductor is 'υ' when a current 'ι' is flowing in it. If both the radius and current are doubled, then drift velocity will be

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QUESTION: 7

When ultraviolet rays are incident on a metal plate, then the photoelectric effect does not occurs. It occurs by the incidence of

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QUESTION: 8

The poisson's ratio ' σ ' should satisfy the relation

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QUESTION: 9

Which of the following are essential for maintaining oscillations in an oscillator?
1. Positive feedback
2. Design of load (turned or phase shifting network
3. Non-linear biasing circuit
4. high gain amplifier
Select the correct answer using the codes given below:
Codes:

Solution:
QUESTION: 10

There is an electric field E in x-direction. If the work done on moving a charge of 0.2C through a distance of 2m, along a line making an angle 60o with x-axis is 4 J, then what is the value of E?

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QUESTION: 11

If the coefficient of friction is √3, the angle of friction is

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QUESTION: 12

If g is the acceleration due to gravity at the earth's surface and r is the radius of the earth, the escape velocity for the body to escape out of earth's gravitational field is

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QUESTION: 13

Thermal radiations are detected by

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QUESTION: 14

At a given temperature, the pressure of an ideal gas of density ρ is proportional to

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QUESTION: 15

A body is imparted motion from rest to move in a straight line. If it is then obstructed by an opposing force, then

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QUESTION: 16

Which of the following relations represent Biot-Savart's law?

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QUESTION: 17

The susceptibility of magnetic substance for different purposes is determined by its

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QUESTION: 18

If the radius of a soap bubble is four times that of another, then the ratio of their pressures will be

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QUESTION: 19

A body falls freely from rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of

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QUESTION: 20

A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 m−s-1. A plumb bob is suspended from the roof of the car by a light rod of length 1m. The angle made by the rod with the track is (Take g=10 m−s-1)

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QUESTION: 21

Two forces are such that the sum of their magnitudes is 18 N and their resultant is perpendicular to the smaller force and magnitude of resultant is 12. Then the magnitudes of the forces are

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QUESTION: 22

A particle execute simple harmonic motion with a frequency f. The frequency with which its kinetic energy oscillates is

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QUESTION: 23

The maximum range of a gun on horizontal terrain is 16 km. If g = 10 m/s2. What must be the muzzle velocity of the shell

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QUESTION: 24

According to kinetic theory of gases the absolute temperature of a gas is directly related to the average of

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QUESTION: 25

With respect to air, critical angle in a medium for light of red colour [λ₁] is θ. Other facts remaining same, critical angle for light of yellow colour [λ₂] will be

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QUESTION: 26

Of two eggs which have identical sizes, shapes and weights, one is raw and the other is half-boiled. The ratio between the moment of inertia of the raw egg and that of the half-boiled egg about a central axis is

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QUESTION: 27

The dimensional formula for universal gravitational constant is

Solution:

Universal Constant of Gravitation is represented by G and is derived from Newton’s law of gravitation.
Newton’s law states that 
So
Where F is Force between masses m1, m2 at a distance r
Dimensional Formula of Force = M1L1T-2
Thus Dimensional Formula of Universal Constant of Gravitation =
Dimensional Formula of Universal Constant of Gravitation = M-1L3T-2

QUESTION: 28

When two capillary tubes of different diameters are dipped vertically, the rise of the liquid is

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QUESTION: 29

The ratio of diameters of two similar copper wires of qual length is 1:2.A constant current is passed through them when connected in series. The ratio of heat produced in the two will be

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QUESTION: 30

Two marks on a glass rod 10cm apart are found to increase their distance by 0.08mm when the rod is heated from 0oC to 100oC. A flask made of the same glass as that of rod measures a volume 1000c.c at 0 oC. The volume it measures at 100 oC in c.c is

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QUESTION: 31

Which one of the following properties of a body remains constant during a reversible adiabatic process ?

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QUESTION: 32

Given: P = 0.0030 m, Q = 2.40 m and R = 3,000 m. The significant figures in P,Q and R are respectively

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QUESTION: 33

A ray of light falls on a transparent glass slab of refractive index 1.62. If the reflected ray and the refracted ray are mutually perpendicular, the angle of incidence is

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QUESTION: 34

A source and a listener are moving towards each other with a speed 1/10th of the speed of sound. if the frequency of the note emitted by the source is f, the frequency of the note heard by the listner will be nearly

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QUESTION: 35

A body falling form a height of 10 m rebounds from hard floor. if it loses 20% energy in the impact, then coefficient of restitution is

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QUESTION: 36

Which one of the following can be oxidised to the corresponding carbonyl compound?

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QUESTION: 37

The reaction in which sodium cyanide is used is

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QUESTION: 38

2,3-dimethyl hexane contains .... tertiary, .... secondary and ..... primary carbon atoms respectively.

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QUESTION: 39

Nitrate is confirmed by ring test. The brown colour of the ring is due to formation of

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QUESTION: 40

The reagent used for converting benzene to ethyl benzene is

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QUESTION: 41

For principle quatum number n = 4, the total number of orbitals having l = 3 is

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QUESTION: 42

The reaction, CH₂ = CH-CH₃ + HBr → CH₃CHBr - CH₃ is

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QUESTION: 43

A metal which can form a complex with insulin is

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QUESTION: 44

The nature of the sigma bond in the carbonyl group of aldehydes and ketones is :

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QUESTION: 45

Formic acid when treated with H₂SO₄ gives

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QUESTION: 46

Which one of the following is the correct set with reference to molecular formula, hybridisation of central atom and shape of the molecule

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QUESTION: 47

A chemical system is in equilibrium. Addition of a catalyst would result in

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QUESTION: 48

Heat exchanged in a chemical reaction at constant temperature and pressure is called

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QUESTION: 49

A drug that is antipyretic as well as analgesic is

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QUESTION: 50

Latent heat of vaporisation of a liquid at 500 K and 1 atm pressure is 10.00 Kcal/mol. What will be the change in internal energy (ΔU) of 3 mol of liquid at same temperature ?

Solution:

Vaporization of 3 moles of H2O vapors is: 3H2O(l) → 3H2O(g)
Δn = 3 - 0 = 3
Therefore,
ΔU = ΔH - ΔnRT
= (3 x10) - 3(0.002)(500) = 27
change in internal energy is:
ΔU = 27 Kcal

QUESTION: 51

The decomposition of a substance follows first order kinetics. If its conc. is reduced to 1/8 th of its initial value, in 24 minutes, the rate constant of decomposition process is

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QUESTION: 52

Dalton's law of partial pressure is not applicable to

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QUESTION: 53

The oxidation state of I in IPO₄ is

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QUESTION: 54

Which of the following compounds will exhibits geometrical isomerism ?

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QUESTION: 55

The test used for identifying carbon-carbon double bond in an alkene

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QUESTION: 56

Which of the following is the correct order of ionic radii?

Solution:

Na+, Mg2+, Al3+ and Si4+ are isoelectronic cations with 10 electrons, but when we go from Na+ to Si4+, one unit nuclear charge increases. Thus, the ionic size of isoelectronic species is compared on the basis of their atomic number/number of electrons, i.e. Z/e ratio. Smaller the value of Z/e, larger the size of the species. For example,

QUESTION: 57

Ammonium ion is

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QUESTION: 58

Optically active isomers but not mirror images are called

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QUESTION: 59

The half-life of a radioactive isotope is three hours. If the initial mass of the isotope were 256 g,the mass of it remaining undecayed after 18 hours would be

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QUESTION: 60

Weakest acid among the following is

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QUESTION: 61

The major product (70%-80%) of reaction between m-dinitrobenzene with (NH4)2Sx is

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(NH4)2Sx reduces one - NO2 to - NH2 group

QUESTION: 62

Bakelite is prepared from

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QUESTION: 63

Leibig method is used for the estimation of

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QUESTION: 64

Bragg's law is given by equation

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QUESTION: 65

Which of the following is not a reducing agent ?

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QUESTION: 66

Ethynic hydrogen is released most easily in :

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QUESTION: 67

A solution that obeys Raoult's law is

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QUESTION: 68

The range of radius ratio (cationic to anionic) for an octahedral arrangement of ions in an ionic solid is

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QUESTION: 69

Which of the followings substance is not used in the preparation of lyophilic sol?

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QUESTION: 70

The lateral branches of roots (dicot) generally originate from

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QUESTION: 71

Which of the following is mainly responsible for the extinction of wild life?

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QUESTION: 72

Haemophilia does not occur in women

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QUESTION: 73

Hydrogen evolved at STP on complete reaction of 27 g of aluminium with excess of aqueous NaOH would be

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QUESTION: 74

Which blood vessel connect the left pulmonary artery to the aorta in foetus circulation?

Solution:

Ductus arteriosus is a blood vessel connecting the left pulmonary artery to the aorta, which bypasses the lungs in the foetal circulation. It normally closes at the time of birth and form ligamentum arteriosum or ligamentum Botalli.

QUESTION: 75

Zero growth means :

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QUESTION: 76

Select the correct enzyme-substrate combination.

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QUESTION: 77

One of the following is native to West Asia

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QUESTION: 78

Angoora wool is obtained from a

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QUESTION: 79

Fossil of Cro-Magnon man was discovered by

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QUESTION: 80

The hollow ball of cells formed from cleavage is called the :

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QUESTION: 81

During ovulation, a(n) _____________ is released from the ovary.

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QUESTION: 82

Which of the following is true for DNA helicases ?

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QUESTION: 83

Gene and cistron are sometimes used as synonyms because

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QUESTION: 84

Cloning is means to

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QUESTION: 85

Father of genetics is

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QUESTION: 86

Mendel is called father of

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QUESTION: 87

Deficiency of vatimn A in the body results in insufficent rhodopsin in the rods which leads to

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QUESTION: 88

The functional unit of contractile system of a striated muscle is

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QUESTION: 89

Fore-arm is rotated to turn palm downward or backward by muscle

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QUESTION: 90

The speed of nerve impulse conduction is increased by the presence of

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QUESTION: 91

Use the following information to answer the question.
1. Sodium ions move into the axon.
2. Potassium ions move out of the axon.
3. Depolarization of the membrane occurs.
4. Repolarization of the membrane occurs.
Select the correct order of the above events to describe an Action potential.

Solution:
QUESTION: 92

Primitive atmosphere of earth did not possess

Solution:
QUESTION: 93

A decrease in photosynthetic rate with increased availability of oxygen is called

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QUESTION: 94

Phytohormones are

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QUESTION: 95

Epidermal cells are

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QUESTION: 96

Which of the following radioactive isotopes is used in the detection of thyroid cancer?

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QUESTION: 97

Pseudopregnancy is due to

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QUESTION: 98

Number of carbon atoms available in acetyl CoA is

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QUESTION: 99

Where does gas exchange take place in the lungs?

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QUESTION: 100

Seminal plasma in humans is rich in

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QUESTION: 101

Turbinate bones can be traced in

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QUESTION: 102

Patellar groove is found on which bone

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QUESTION: 103

Cucurbitaceae has plants yielding a variety of vegetables and fruits. What is the position of this family in Bentham and Hooker classification-

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QUESTION: 104

Closely related, morphologically similar, reproductively isolated sympatric populations are designated as

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QUESTION: 105

Most of the blood glucose entering the nephron returns to the plasma by the process of

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