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VITEEE PCBE Mock Test - 14

125 Questions MCQ Test VITEEE: Subject Wise and Full Length MOCK Tests | VITEEE PCBE Mock Test - 14

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This mock test of VITEEE PCBE Mock Test - 14 for JEE helps you for every JEE entrance exam. This contains 125 Multiple Choice Questions for JEE VITEEE PCBE Mock Test - 14 (mcq) to study with solutions a complete question bank. The solved questions answers in this VITEEE PCBE Mock Test - 14 quiz give you a good mix of easy questions and tough questions. JEE students definitely take this VITEEE PCBE Mock Test - 14 exercise for a better result in the exam. You can find other VITEEE PCBE Mock Test - 14 extra questions, long questions & short questions for JEE on EduRev as well by searching above.

QUESTION: 1

Hollow trunks in trees lead to

A.
Death of shoot
B.
Normal growth
C.
Death of root
D.
Death of plant

Solution:

QUESTION: 2

Honey mainly consists of:

A.
monosaccharides
B.
disaccharides
C.
polysaccharides
D.
fats

Solution:

QUESTION: 3

A outer covering membrane is absent over

A.
Nucleolus
B.
Lysosome
C.
Mitochondrion
D.
Plastid

Solution:

QUESTION: 4

Endoplasmic reticulum remains attached to

A.
Mitochondria
B.
Golgi bodies
C.
Nuclear envelope
D.
Chloroplasts

Solution:

QUESTION: 5

What is true ?

A.
All Veins carry deoxygenated blood
B.
All arteries carry oxygenated blood
C.
All Veins except one carry oxygenated blood
D.
All arteries except one carry oxygenated blood

Solution:

QUESTION: 6

Which of the following mineral is found in haemoglobin ?

A.
Fe
B.
Mn
C.
Mg
D.
Ca

Solution:

QUESTION: 7

Saffron is obtained from

A.
Styles and stigmas of crocus
B.
Stamens of Hibiscus
C.
Petals of Hibiscus
D.
Stamens of Crocus

Solution:

QUESTION: 8

Outer and inner membranes of mitochondria are

A.
Structurally and functionally similar
B.
Structurally and functionally dissimilar
C.
Structurally similar but functionally differnt
D.
Structurally different but functionally similar

Solution:

QUESTION: 9

Which of the following pairs is a sedimentary type of biogeochemical cycle?

A.
oxygen and nitrogen
B.
phosphorus and sulphur
C.
phosphorus and nitrogen
D.
phosphorus, zinc and mercury

Solution:

QUESTION: 10

Interacting populations are

A.
Symbiotic
B.
Mutualistic
C.
Parasitic
D.
Coevolved

Solution:

QUESTION: 11

A set of homologous organs is

A.
wing of butterfuly and bat
B.
eye of insect and pineal gland in mammals
C.
wing of insect and sting of bee
D.
forelimbs of horse, pig , man and flippers of whale

Solution:

QUESTION: 12

Animals of cold countries have shorter ears. This is

A.
Allen's law
B.
Cope's law
C.
Bergmann's law
D.
Dollo's law

Solution:

QUESTION: 13

Synthesis of DNA over RNA template/teminism occurs in

A.
TMV
B.
T₂
C.
Reovirus
D.
Rous Sarcoma Virus

Solution:

QUESTION: 14

Triplet codon refers to sequence of three bases on

A.
r-RNA
B.
t-RNA
C.
m-RNA
D.
All the above

Solution:

QUESTION: 15

Biologically functional tryosine suppressor tRNA of Escherichia coli synthesised by Khorana in 1979 had

A.
333 nucleotides
B.
312 nucleotide pairs
C.
207 nucleotide pairs
D.
77 nucleotide pairs

Solution:

QUESTION: 16

Mirabilis jalapa is an example of

A.
complete dominance
B.
supplementary gene
C.
incomplete dominance
D.
complementary gene

Solution:

QUESTION: 17

How many types of gametes are found in F₁ progeny of cross between AABBCC and aabbcc

A.
3
B.
8
C.
27
D.
64

Solution:

QUESTION: 18

ABO incompatibility differs from Rh incompatibility in that it

A.
Occurs in the first child
B.
Produces a milder haemolytic disorder
C.
Does not reqiure transfusion
D.
All of these

Solution:

QUESTION: 19

Recessive trait disorders are characterised by

A.
Occurrence in parents
B.
Occurence in atleast one parents
C.
Presence in siblings but not in parents
D.
Sudden appearence due to mutations

Solution:

QUESTION: 20

A kind of allergy is

A.
Asthma
B.
Yellow eyes
C.
Mumps
D.
Typhoid

Solution:

QUESTION: 21

Antibody production is carried out by

A.
Monocytes
B.
Leucocytes
C.
Lymphocytes
D.
Erythrocytes

Solution:

QUESTION: 22

Antibody formation and immunity production by globulin protein is found in

A.
Haemoglobin of RBCs
B.
Blood platelets
C.
Plasma
D.
Cytoplasm of RBCs

Solution:

QUESTION: 23

Fruit of maize is

A.
Caryopsis
B.
Cypsela
C.
Achene
D.
Samara

Solution:

QUESTION: 24

Idenfity the plant in which leaf is modified into spine

A.
Argemone
B.
Clemotis
C.
Smilax
D.
Lathyrus

Solution:

QUESTION: 25

Opposite superposed arrangement of leaves is seen in

A.
Mustard
B.
Mango
C.
Tobacco
D.
Rangoon creeper

Solution:

QUESTION: 26

In green cell the enzyme catalase is localised in

A.
Peroxisomes
B.
Chloroplasts
C.
Lysosomes
D.
Vacuoles

Solution:

QUESTION: 27

Nitrogen fixation occurs in

A.
some herbaceous plants and legumes
B.
legumes and some bacteria
C.
some bacteria, cyanobacteria and legumes
D.
all green plants

Solution:

QUESTION: 28

Glucose fermentation by yeast yields

A.
Ethanol + CO₂
B.
Ethanol + H₂O
C.
Methanol + CO₂
D.
H₂O + CO₂

Solution:

QUESTION: 29

Vascular bundle are absent in

A.
Gymnosperms
B.
Angiosperms
C.
Pteridophytes
D.
All the above

Solution:

QUESTION: 30

Lead concentration of blood is considered alarming at

A.
4-6 μm/100 ml
B.
10 μg/100 ml
C.
20 μg/100 ml
D.
30 μg/100 ml

Solution:

QUESTION: 31

The undesirable sounds, which disturb our environment, are called

A.
air pollution
B.
noise pollution
C.
soil pollution
D.
nuclear pollution

Solution:

QUESTION: 32

In Minamata Bay of Japan, the animals which remained free from Minamata disease, are

A.
pigs
B.
rabbits
C.
dogs
D.
cats

Solution:

QUESTION: 33

Functions of testosterone include

A.
Facilitation of muscle and skeletal growth in mass
B.
Loss of facial hair
C.
Mammary gland development
D.
Drying of the skin

Solution:

QUESTION: 34

For prevention against amoebiasis, we should :

A.
Eat more food
B.
Use mosquito net
C.
Drink boiled water
D.
Eat plenty of food

Solution:

QUESTION: 35

The term,'biosphere' refers to

A.
atmosphere
B.
ozonosphere
C.
living community with whole ecosystem
D.
stratiosphere

Solution:

QUESTION: 36

Transfer of genes from one gene pool to another is

A.
Genetic drift
B.
Gene flow
C.
Speciation
D.
Mutation

Solution:

QUESTION: 37

Who gave evolutionary concept of determinants?

A.
Dobzhansky
B.
Wright
C.
Weismann
D.
lethal genes

Solution:

QUESTION: 38

Darwin's natural selection is based on

A.
variations
B.
prodigality, struggle for existence, survival of fittest
C.
law of use and disuse
D.
law of inheritance of acquired characters

Solution:

QUESTION: 39

Which of the following structures would not be considered an organ of excretion?

A.
Skin
B.
Liver
C.
Colon
D.
Small intestine

Solution:

QUESTION: 40

The site of tubular excretion is the

A.
Loop of Henle
B.
Bowman’s capsule
C.
Distal convoluted tubule
D.
Proximal convoluted tubule

Solution:

QUESTION: 41

The efficiency of transformer is very high because

A.
There is no moving part in a transformer
B.
It produces very high voltage
C.
It produces very low voltage
D.
None of the above

Solution:

QUESTION: 42

An electron and a proton have the same wave length. Which one of the following statements is correct about them?

A.
The momentum of the proton is greater than that of the electron
B.
They have the same speed
C.
The kinetic energy of the proton is greater than that of the electron
D.
The kinetic energy of the proton is less than that of the electron

Solution:

QUESTION: 43

The work function of metals A and B are in the ratio 1 : 2. If light of frequencies f and 2f are incident on metal surfaces of A and B respectively, the ratio of the maximum kinetic energies of photo electrons emitted is (f is greater than threshold frequency of A, 2f is greater than thershold frequency of B)

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

Solution:

QUESTION: 44

A sheet of aluminium is inserted in the air gap between the parallel plate capacitor, without touching any the two plates of the capacitor. The capacitance the capacitor is:

A.
invariant for all positions of the sheet
B.
maximum when the sheet is midway between the 2 plates
C.
maximum when the sheet is just near the + plate
D.
maximum when the sheet is just near the - plate

Solution:

QUESTION: 45

If sky wave with a frequency of 50 MHz is incident on D-region at an angle of 30^o, then angle of refraction is

A.
15^o
B.
60^o
C.
30^o
D.
5.5^o

Solution:

QUESTION: 46

The resistance of a cell does not depend upon

A.
current drawn from the cell
B.
temperature of the electrolyte
C.
concentration of electrolyte
D.
e.m.f. of the cell

Solution:

QUESTION: 47

Two resistance wires on joining in parallel the resultant resistance is 6/5 ohms. One of the wire breaks, the effective resistance is 2 ohms. The resistance of the broken wire is

A.
3/5 ohm
B.
2 ohm
C.
6/5 ohm
D.
3 ohm

Solution:

QUESTION: 48

When a wire of resistance R is stretched and its radius becomes r/2, then the new resistance will be

A.
16 R
B.
4 R
C.
2 R
D.
R

Solution:

QUESTION: 49

Two resistances 4 Ω and 6 Ω are in series and another 10Ω resistance is in parallel to the series combination. The resultant resistance is

A.
5 Ω
B.
20 Ω
C.
8 Ω
D.
12 Ω

Solution:

QUESTION: 50

Which of the following materials is the best conductor of electricity?

A.
Platinum
B.
Gold
C.
Silicon
D.
Copper

Solution:

QUESTION: 51

Particle nature is shown by

A.
Photoelectric effect
B.
Diffraction
C.
Polarisation
D.
TIR

Solution:

QUESTION: 52

A transformer is used to light a 100W and 110V lamp from a 220V mains. If the main current is 0.5A, the efficiency of the transformer is approximately

A.
30%
B.
50%
C.
90%
D.
10%

Solution:

QUESTION: 53

A coil carrying electric current is placed in uniform magnetic field, then

A.
Torque is developed
B.
emf is induced
C.
Both (A) and (B) are correct
D.
None of these

Solution:

The coil carrying current held in a magnetic field experiences a torque.

QUESTION: 54

When the no. of turns in a coil is triplled, without any change in the length of coil, its self-inductance becomes

A.
same
B.
three times
C.
six times
D.
nine times

Solution:

QUESTION: 55

Which rays are not the portion of electro magnetic spectrum?

A.
X-rays
B.
Microwaves
C.
α-rays
D.
Radiowaves

Solution:

QUESTION: 56

If the electric flux entering and leaving an enclosed surface respectively is φ₁ and φ₂, the electric charge inside the surface will be

A.
φ₂ - φ₁/∈₀
B.
φ₁ + φ₂/∈₀
C.
φ₁ - φ₂/∈₀
D.
∈₀(φ₁ + φ₂)

Solution:

QUESTION: 57

n small drops of same size are charged to V volt each. They coalesce to form a bigger drop. The potential of the bigger drop is

A.
n times the potential of each small drop
B.
1 n times the potential of each small drop
C.
n^1/3 time the potential of each small drop
D.
n^2/3 time the potential of each small drop

Solution:

QUESTION: 58

A spherical shell of radius a with charge Q is expanded to radius b. The work done by the electric force in the process is

Solution:

QUESTION: 59

A charge q is located at the centre of a cube. The electric flux through any face is

A.
4π q/6(4πε₀)
B.
π q/6(4πε₀)
C.
q/6(4πε₀)
D.
2q/6(4πε₀)

Solution:

QUESTION: 60

A body of mass 1g and carrying a charge 10^-8, C passes from two points P and Q. P and Q are at electric potentials 600V and 0V respectively. The velocity of the body at Q is 20 c m s^-1 . Its velocity in m s^-1 at P is

A.
√0.028
B.
√0.056
C.
√0.56
D.
√5.6

Solution:

QUESTION: 61

The electrical conductivity of the earth's atmosphere increases with altitude due to

A.
radiation of atmosphere
B.
reflection of atmosphere
C.
refraction of atmosphere
D.
ionization of atmosphere

Solution:

QUESTION: 62

A current carrying coil when freely suspended will allign itself

A.
parallel to the magnetic meridian
B.
perpendicular to the magnetic meridian
C.
at an angle of 45^o to the magnetic meridian
D.
Any of the above positions

Solution:

QUESTION: 63

The first atomic reactor was constructed by

A.
Einstein
B.
Goldstein
C.
Fermi
D.
Curie

Solution:

QUESTION: 64

In two isotopes of an element the number of protons in their nuclei will be --- and number of neutrons in their nuclei will be

A.
Same, different
B.
Different, same
C.
Same, same
D.
Different, different

Solution:

QUESTION: 65

Which one of the following is a possible nuclear reaction?

Solution:

QUESTION: 66

When the photons of energy hv fall on a photo-sensitive surface (work function hv₀) electrons are emitted from the metallic surface. This is known as photoelectric effect. The electron coming out of the surface have a kinetic energy. Then it is possible to state that

A.
All ejected electrons have the same K.E equal to hv -hv₀
B.
The ejected electrons have a distribution of kinetic energy, the most energetic one have kinetic energy to hv - hv₀
C.
The most energetic ejected electrons have kinetic energy equal to hv
D.
The kinetic energy of the most energetic ejected electrons is hv₀

Solution:

QUESTION: 67

The threshold wavelength is 2000 Å. The work function is

A.
6.25 eV
B.
6.2 eV
C.
6.2 MeV
D.
6.2 KeV

Solution:

QUESTION: 68

A symmetric double convex lens is cut in two equal parts by a plane perpendicular to the principal axis. It the power of the original lens is 4D, the power of a cut lens will be

A.
2D
B.
3D
C.
4D
D.
5D

Solution:

QUESTION: 69

The difference in the number of wavelengths, when yellow light propagates through air and vacuum columns of the same thickness, is one. The thickness of the air column is
(Refractive index of air μ_a = 1.0003 ; Wavelength of yellow light in vacuum 6000 Å )

A.
1.8 mm
B.
2 mm
C.
2 cm
D.
2.2 cm

Solution:

Let λ_a and λ be the wavelengths of yellow light in air and vacuum respectively and v_a and c be their respective speeds in air and vacuum.
Since the frequency of light is the same in both media, we have

Now, if t is the thickness of each columm, then the number of wavelengths in the two media are

Given μ a = 1.0003 and λ = 6000 Å = 6000 x 10 − 8 cm. Using these values in (3), we have

QUESTION: 70

When Boron is added as impurity to silicon, the resulting material is -------- semiconductor.

A.
N-type
B.
Intrinsic
C.
P-type
D.
None

Solution:

QUESTION: 71

In the middle of the depletion layer of a reverse-biased p-n junction, the

A.
potential is zero
B.
electric field is zero
C.
potential is maximum
D.
electric field is maximum

Solution:

QUESTION: 72

In a p - type semiconductor, the electrical conduction is due to

A.
Only holes
B.
Only electrons
C.
A large number of holes and small number of electrons
D.
A large number of electrons and a small number of holes

Solution:

QUESTION: 73

At OK temperature, a p-type semiconductor

A.
does not have any charge carriers
B.
has few holes but no free electrons
C.
has few holes and few free electrons
D.
has equal number of holes and free electrons

Solution:

QUESTION: 74

The band gap in germanium and silicon in eV respectively is

A.
0.7, 1.1
B.
1.1, 0.7
C.
1.0, 0
D.
0, 1.1

Solution:

QUESTION: 75

When the electrical conductivity of a semiconductor is due to the breaking of its covalent bonds, then the semiconductor is said to be

A.
Donar
B.
Acceptor
C.
Intrinsic
D.
Extrinsic

Solution:

QUESTION: 76

A example of a semiconductor is

A.
Platinum
B.
Germanium
C.
Quartz
D.
Mica

Solution:

QUESTION: 77

A train is approaching a platform with a velocity ν. The frequency heard by an observer standing at the station is

A.
(1 + ν/c)f₀
B.
c/ν f₀
C.
ν/c f₀
D.
(c - ν/c) f₀

Solution:

QUESTION: 78

A wave front is the locus of all the particles of a medium, which are vibrating in the

A.
Same phase
B.
Out of phase
C.
Both A and B
D.
None of these

Solution:

QUESTION: 79

If the two slits in Young's experiment have width ratio 1:4, the ratio of intensity at maxima and minima in the interference pattern in

A.
3 : 1
B.
1 : 3
C.
9 : 1
D.
1 : 9

Solution:

QUESTION: 80

Two slits, 4 mm apart, are illuminated by light of wavelength 6000 Å. What will be the fringe width on a screen placed 2 m from the slits?

A.
0.12 mm
B.
0.3 mm
C.
3.0 mm
D.
4.0 mm

Solution:

QUESTION: 81

Which of the following processes is employed to convert alkyl halide into alcohol?

A.
Addition
B.
Substitution
C.
Dehydrohalogenation
D.
Molecular rearrangement

Solution:

QUESTION: 82

In which reaction aromatic aldehyde is treated with acid anhydride in presence of corresponding salt of the acid to give unsaturated aromatic acid?

A.
Friedel-Crafts reaction
B.
Perkin's reaction
C.
Wurtz reaction
D.
None of these

Solution:

QUESTION: 83

Which of the following will give Cannizzaro reaction?

A.
CH₃CHO
B.
CH₃COCH₃
C.
(CH₃)₃CCHO
D.
None of these

Solution:

QUESTION: 84

The functional group present in 3-methyl butanal is

A.
-CHO
B.
- CO -
C.
- CH₂OH
D.
- COOH

Solution:

QUESTION: 85

Methane is formed when

A.
Sodium acetate is heated with soda lime
B.
Iodomethane is reduced
C.
Al₄C₃ reacts with H₂O
D.
All the above produce methane

Solution:

QUESTION: 86

Assume that the nucleus of the fluorine atom is a sphere of radius 5 x 10^-13 cm. What is the density of matter in the nucleus?

A.
6.02x 10²³ g/mL
B.
6.02 x 10¹³ g/mL
C.
12.02 x 10²³ g/mL
D.
12.02 x 10¹³ g/mL

Solution:

The radius of a fluorine nucleus is x 10^-13 cm
The mass of a F nucleus = 19/6 x 10²³ g = 3.2 x 10^-26 kg
The volume of a F nucleus = 4 3 πr³
= 4/3 x π x (5 x 10^-13)³ cm³
= 5.2 x 10^-37 cm³
Density = mass/volume
= 3.2 x 10 ^-26 k g /5.2 x 10^-37 c m³
= 6.1 x 10¹⁰ kg cm^-3 = 6.1 x 10¹³ g cm^-3

QUESTION: 87

Acid catalysed hydration of alkenes except ethene leads to the formation of

A.
Mixture of secondary and tertiary alcohols
B.
Mixture of primary and secondary alcohols
C.
Secondary or tertiary alcohol
D.
Primary alcohol

Solution:

QUESTION: 88

The three fundamental quantities are

A.
mass, length and time
B.
mass, force and length
C.
mass, pressure and energy
D.
momentum, force and torque

Solution:

QUESTION: 89

An antibody is a/an

A.
carbohydrates
B.
cytochromes
C.
immuoglobulin
D.
cellulose compound

Solution:

QUESTION: 90

Which of the following is not a function of proteins?

A.
Nail formation
B.
Skin formation
C.
Muscle formation
D.
Providing energy for metabolism

Solution:

QUESTION: 91

The metal present in vitamin B₁₂ is

A.
Iron
B.
Manganese
C.
Cobalt
D.
Mercury

Solution:

QUESTION: 92

Amides may be converted into amines by a reaction named after

A.
Perkin
B.
Claisen
C.
Hofmann
D.
Kekule

Solution:

QUESTION: 93

From the following values of dissociation constants of four acids which value represents the strongest acid ?

A.
2 x 10^-2
B.
0.02 x 10^-1
C.
3 x 10^-3
D.
none of these

Solution:

QUESTION: 94

Which of the following gives blood red colour with KCNS ?

A.
Cu²⁺
B.
Fe³⁺
C.
Al⁺³
D.
Zn2+

Solution:

QUESTION: 95

Which of the following compounds on boiling with KMnO₄ and the subsequent acidification will not give benzoic acid ?

A.
Benzyl alcohol
B.
Acetophenone
C.
Anisole
D.
Toluene

Solution:

QUESTION: 96

A vessel at equilibrium, contains SO₃, SO₂ and O₂. Now some helium gas is added, so that total pressure increases while temperature and volume remain constant. According to Le-Chatelier's principle, the dissociation of SO₃

A.
increases
B.
decreases
C.
remains unaltered
D.
changes unpredictably

Solution:

QUESTION: 97

If an endothermic reaction is non-spontaneous at freezing point of water and becomes feasible at its boiling point, then

A.
∆H is -ve, ∆S is +ve
B.
∆H and ∆S both are +ve
C.
∆H and ∆S both are -ve
D.
∆H is +ve and ∆S is -ve

Solution:

QUESTION: 98

Which of the following is not chiral ?

A.
2-Hydroxypropanoic acid
B.
2-Butanol
C.
2,3-Dibromopentane
D.
3-Bromopentane

Solution:

QUESTION: 99

The heats of dissociation (k.cals/mole) of methane and ethane are 360 and 620 respectively. From these, C - C bond energy (k.cals/mole) in ethane can be evaluated as

A.
260
B.
130
C.
80
D.
200

Solution:

QUESTION: 100

Which one of the following will not show geometrical isomerism?

A.
[Cr(NH₃)₄Cl₂]Cl
B.
[Co(en)₂Cl₂]Cl
C.
[Co(NH₃)₅NO₂]Cl₂
D.
[Pt(NH₃)₂Cl₂]

Solution:

QUESTION: 101

Work done during the compression of a gas from a volume of 6dm³ to 4 dm³ against a constant external pressure of 3 atm is (1atm-litre=101.32J)

A.
66 J
B.
152 J
C.
304 J
D.
608 J

Solution:

QUESTION: 102

Which of the following could act as a propellant for rockets?

A.
Liquid nitrogen + liquid oxygen
B.
Liquid hydrogen + liquid nitrogen
C.
Liquid oxygen + liquid argon
D.
Liquid hydrogen + liquid oxygen

Solution:

QUESTION: 103

The cell potential of the following cell at 25 ^oC (in volts) is

A.
0.308
B.
0.427
C.
-0.308
D.
0.337

Solution:

QUESTION: 104

Which of the following metal does not form polynuclear carbonyl?

A.
Mn
B.
Co
C.
Fe
D.
Cr

Solution:

QUESTION: 105

Compound A has a molecular formula C₇H₇NO on treatment with Br₂/KOH, A gives an amine B which respond to carbylamine test. B on diazotisation and coupling with phenol give an azo dye. A can be

A.
C₆H₅CONHCH₃
B.
C₆H₅CONH₂
C.
C₆H₅NO
D.
o, m or p―NH₂―C₆H₄―CHO

Solution:

QUESTION: 106

Ethyl isocyanide on acidic hydrolysis generates

A.
Ethylamine salt and methanoic acid
B.
Propanoic acid and ammonium salt
C.
Ethanoic acid and ammonium salt
D.
Methyl amine salt and ethanoic acid

Solution:

QUESTION: 107

A smuggler could not carry gold by chemically depositing iron on the gold surface since

A.
gold is denser
B.
iron rusts
C.
gold has higher reduction potential than iron
D.
gold has lower reduction potential than iron

Solution:

QUESTION: 108

Calculate the amount of change flowing in 2 minute in a wire of resistance 10 Ω when a potential difference of 20 V is applied

A.
120 C
B.
240 C
C.
20 C
D.
4 C

Solution:

QUESTION: 109

Which is most explosive?

A.
NCl₃
B.
PCl₃
C.
AsCl₃
D.
All

Solution:

QUESTION: 110

In the preparation of sodium carbonate (Na₂CO₃), which of the following is used as raw material?

A.
Slaked lime
B.
Lime stone
C.
Quick lime
D.
Sodium hydroxide

Solution:

QUESTION: 111

Which one of the following indicates the value of the gas constant R ?

A.
1.987 cal/deg/mole
B.
8.3 cal/deg/mole
C.
0.0821 lit/deg/mole
D.
1.987 Joules/deg/mole

Solution:

QUESTION: 112

Glass is a

A.
Liquid
B.
Solid
C.
Supercooled liquid
D.
Transparent organic polymer

Solution:

QUESTION: 113

The three important oxidation states of phosphorus are

A.
-3,+3 and +5
B.
-3,+3 and -5
C.
-3,+4 and -4
D.
-3,+3 and +4

Solution:

QUESTION: 114

When ether is exposed in air for sometime, an explosive substance produced is

A.
Peroxide
B.
TNT
C.
Oxide
D.
Super oxide

Solution:

QUESTION: 115

xMnO₄^- + yH₂SO₄ → 2Mn²⁺ + 5H₂O +9O₂ + ze^- In this reaction values of x, y and z are

A.
2,5,6
B.
5,2,9
C.
3,5,5
D.
2,6,6

Solution:

QUESTION: 116

Which of the following has maximum Frenkel defect?

A.
AgI
B.
ZnS
C.
AgBr
D.
equal in all

Solution:

QUESTION: 117

In the extraction of iron, slag is produced which is

A.
CO
B.
FeSiO₃
C.
MgSiO₃
D.
CaSiO₃

Solution:

QUESTION: 118

(2R, 3R)- 2, 3-butanediol is:

Solution:

QUESTION: 119

A transition metal x has configuration [Ar]3d⁴ in its +3 oxidation state. Its atomic number is

A.
2
B.
26
C.
22
D.
19

Solution:

QUESTION: 120

Cod Liver oil is

A.
Fat dispersed in water
B.
Water dispersed in fat
C.
Water dispersed in oil
D.
Fat dispersed in fat

Solution:

QUESTION: 121

Find the synonym of SUSTAIN

A.
pay
B.
succeed
C.
manage
D.
continue

Solution:

QUESTION: 122

Fill in the blank with appropriate word.
Our flight was.........from Jaipur to Agra airport.

A.
deflected
B.
shifted
C.
diverted
D.
reverted

Solution:

QUESTION: 123

Find the antonym of COVERT

A.
flimsy
B.
inexplicable
C.
obvious
D.
unjustifiable

Solution:

QUESTION: 124

Choose the alternative which best expresses the meaning of the idiom/phrase.

To follow the primrose path

A.
To follow one's objectives very stead-fastly
B.
To go on wandering.
C.
To trek to the mountains
D.
To go in for pursuit of pleasure or an easy life.

Solution:

QUESTION: 125

Improve the sentence by choosing best alternative for capitalised part of the sentence.

My mother asked me when WOULD I have a glass of milk.

A.
I shall
B.
I would
C.
I will
D.
No improvement

Solution:

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Hollow trunks in trees lead to

Death of shoot

Normal growth

Death of root

Death of plant

Honey mainly consists of:

monosaccharides

disaccharides

polysaccharides

fats

A outer covering membrane is absent over

Nucleolus

Lysosome

Mitochondrion

Plastid

Mitochondria

Golgi bodies

Nuclear envelope

Chloroplasts

All Veins carry deoxygenated blood

All arteries carry oxygenated blood

All Veins except one carry oxygenated blood

All arteries except one carry oxygenated blood

Fe

Mn

Mg

Ca

Styles and stigmas of crocus

Stamens of Hibiscus

Petals of Hibiscus

Stamens of Crocus

Structurally and functionally similar

Structurally and functionally dissimilar

Structurally similar but functionally differnt

Structurally different but functionally similar

oxygen and nitrogen

phosphorus and sulphur

phosphorus and nitrogen

phosphorus, zinc and mercury

Symbiotic

Mutualistic

Parasitic

Coevolved

wing of butterfuly and bat

eye of insect and pineal gland in mammals

wing of insect and sting of bee

forelimbs of horse, pig , man and flippers of whale

Allen's law

Cope's law

Bergmann's law

Dollo's law

TMV

T₂

Reovirus

Rous Sarcoma Virus

r-RNA

t-RNA

m-RNA

All the above

333 nucleotides

312 nucleotide pairs

207 nucleotide pairs

77 nucleotide pairs

complete dominance

supplementary gene

incomplete dominance

complementary gene

3

8

27

64

Occurs in the first child

Produces a milder haemolytic disorder

Does not reqiure transfusion

All of these

Occurrence in parents

Occurence in atleast one parents

Presence in siblings but not in parents