Total Marks: 720 Time: 200 Minutes

Phy Sec 1
Q.5
(Attempt any 35 questions)

Q.1 A)
B)
C)
A) B)
D)
C) D)
Solutions:
Solutions:

Q.6 If the work done in stretching a wire by 1 mm is 2J,

Q.2
the work necessary for stretching another wire of
same material by 1 mm but with double the radius
and half the length in joule is
A) 16 B) 8
C) 4 D) 1/4
A)
Solutions:

B)

C)
D)

Solutions:

Q.3 Venturimeter is used to

A) measure liquid pressure.
B) measure liquid density
C) measure rate of flow of liquids Q.7
D) measure surface tension
Solutions:

A) B)

C) D)
Q.4 Surface tension of soap bubble is 2.0 × 10− 2 Nm − 1
.Work done to increase the radius of soap bubble Solutions:
22 ⎥⎥⎥
⎡⎢ ⎤
⎢
from 3.5 cm to 7 cm will be: Take ⎢⎢⎢ π = ⎥
⎢⎣ 7 ⎥⎥⎦
A) 9.24 × 10− 4 J B) 18.48 × 10− 4 J
C) 0.72 × 10− 4 J D) 5.76 × 10− 4 J
Solutions:

Q.8 The pressure inside a soap bubble A is 1.01

atmosphere and that in a soap bubble B is 1.02
atmosphere. The ratio of volume of A to that of B is
A) 2: 1 B) 8: 1
C) 101: 102 D) 102: 101
Solutions: Solutions:

Q.12 Water is flowing through a horizontal pipe in stream

line flow. At the narrowest part of the pipe
A) velocity is maximum and pressure is minimum
B) pressure is maximum and velocity is minimum
C) both pressure and velocity are minimum.
D) both pressure and velocity are maximum
Solutions:

Q.9 A fluid of density ‘ρ’ and viscosity 'η' is flowing

through a pipe of diameter ‘d’, with a velocity ‘v’.
Reynold number is
2dρ dρv Q.13
A) B)
η η
dρv 2ηdV
C) D)
η2 ρ
Solutions:

A) B)

Q.10 Two wires having same length and material are C) D)

stretched by same force. Their diameters are in the
ratio 1:3. The ratio of strain energy per unit volume Solutions:
for these two wires (smaller to larger diameter),
when stretched is
A) 3:1
B) 9:1
C) 27:1
D) 81:1
Solutions: Q.14 The Pressure at the bottom of the tank containing a
liquid does not depend on

A)
B)
C)
D)
Q.11
Solutions:

Q.15 Eight small drops of mercury each of radius ‘r’

coalesce to form a large single drop. The ratio of
total surface energy before and after the change is
A) A) 2:1 B) 1:1 C) 1:4 D) 1:8

B)

C)
D)
Solutions: Solutions:

Q.20 A small ball of mass M , radius R and density ρ moves

with terminal velocity through a container filled with
glycerine of density σ. The
viscous force acting on the ball is (
g =gravitationalacceleration)
A) Mgρσ B) Mg (ρ – σ)
⎢ σ ⎥⎥ Mgρ
⎡⎢ ⎤
C) Mg ⎢⎢⎢1– ⎥⎥⎥ D)
⎢⎣ ρ ⎥⎦ σ
Q.16 Solutions:

A)
B)
C)
D)
Solutions:

Q.17

A) B)
C) D)
Q.21 Young’s modulus of the material of a wire is Y. If it is
Solutions: under a stress S, the energy stored per unit volume
is given by

A) B)

C) D)

Solutions:

Q.18 Work done in blowing a soap bubble of 10 cm radius

is (surface tension of the soap solution is 0.03Nm–1)
A) 37.32 × 10–4J
B) 75.36 × 10–4J
C) 75.36 × 10–3J
Q.22 A water proofing agent changes the angle of contact
D) 175.36 × 10–4J
from
Solutions:
A) acute to 90°
Q.19 B) obtuse to 90°
C) an acute to an obtuse angle
D) an obtuse to an acute angle
A) B) Solutions:

C) D)
Q.23 A liquid can easily change its shape but a solid Q.26
cannot because -
the density of a liquid is smaller than that of a
A)
solid
A) B)
the forces between the molecules is stronger in
B) C) D)
solid than in liquids
the atoms combine to form bigger molecules in a Solutions:
C)
solid
the average separation between the molecules is
D)
larger in solids
Solutions:

Q.24 The surface tension of soap solution is 30dyne/cm . A Q.27 It is easier to spray water to which soap is added
soap bubble made from this solution has a radius of 1 because, addition of soap to water
cm. The work done in doubling the radius of the soap
bubble is A) decreases surface tension of water.
B) increases surface tension of water.
A) 1131 erg B) 2262 erg
C) makes surface tension of water zero.
C) 3300 erg D) 800 erg
D) increases its density.
Solutions:
Solutions:

Q.28 The compressibility of water is 4.5 × 10–10 N/m2. 1L of

water is subjected to a pressure of 2 × 107 N/m2. The
decrease in its volume, is

A) B)

C) D)

Solutions:

Q.25

Q.29 For tap water and clean glass, the angle of contact is
A)
A) 0° B) 90°
B) C) 140° D) 18°
C) Solutions:
D)
Solutions:

Q.30 Four wires of the same material are stretched by the

same load. Which one of them will elongate most if
their dimensions are as follows
A) L = 100 cm, r = 1 mm
B) L = 200 cm, r = 3 mm
C) L = 300 cm, r = 3 mm
D) L = 400 cm, r = 4 mm
Solutions: Solutions:

Q.35 The mass of water that rises in capillary tube of

radius R is M. The mass of water that rises in tube of
Q.31 Two pieces of glass plate one upon the other with a radius 2R is –
little water in between them cannot be separated
easily because of A) M B) M/2
C) 2M D) 4M
A) inertia
B) surface tension Solutions:

C) pressure
D) viscosity
Solutions:

Q.32

Phy Sec 2
(Attempt any 10 questions)
A)

B)
Q.36
C)

D)
A) B)
Solutions: C) D)
Solutions:

Q.37

Q.33

A) B)
A) B) C) D)

Solutions:
C) D)

Solutions:

Q.34 A rectangular film of liquid is extended from Q.38

(4 cm × 2 cm) to (5 cm × 4 cm) . If the work done is
3 × 10− 4 J , the value of the surface tension of the
liquid is
A) 8.0 Nm − 1 A) B) C) D)
B) 0.250Nm − 1
C) 0.125Nm − 1
D) 0.2 Nm − 1
Solutions:
Q.42

A) B)
Q.39
C) D)

Solutions:

A) B) Q.43
C) D)

Solutions:

Q.40

A) B)

C) D)

Solutions:
A) B)

C) D)

Solutions:

Q.44

A) B)
C) D)

Q.41 Solutions:

A) B)

C) D)
Q.45

Solutions:

A) B)
C) D)
Solutions:
Q.49

A) B)
C) D)
Solutions:

Q.46

A) h=R Q.50
B)

C)

D) h = 2R
Solutions:

A) B)

C) D)

Solutions:

Q.47

A) B)

C) D)
Chem Sec 1
Solutions: (Attempt any 35 questions)

Q.51
Q.48
A)
B)
C)

A) B) D)

C) D) Solutions:

Solutions:
Q.52 The percentage of nitrogen in urea (NH2CONH2) is Q.57
about A)
A) 38.4 B) 46.6 B)
C) 59.1 D) 61.3 C)
Solutions: D)
Solutions:

Q.53
A)
B)
C)
D)
Solutions:
Q.58
A) B)
C) D)
Q.54
Solutions:

A) B)
C) D)

Solutions:
Q.59

A) B)
C) D)
Q.55 Solutions:

A)
B)
C)
D)

Solutions:

Q.60
Q.56 24gm of carbon and 48gm of oxygen react completely
to form CO (g) and CO2 (g) . Calculate density of A) B)
gaseous mixture (in gm per litre) at 1.642 atm C) D)
pressure and 360 K temp. Solutions:
A) 2 B) 3 C) 4 D) 1
Solutions:

Q.61

A) B)
C) D)
Solutions:
Q.62 2.0 g of oxygen contains number of atoms equal to Q.66
that in
A)
A) 4.0 g of sulphur B)
B) 7.0 g of nitrogen C)
C) 0.5 g of hydrogen
D)
D) 2.3 g of sodium
Solutions:
Solutions:

Q.63
Q.67

A) B)
C) D)

Solutions:

A) B)
C) D)

Solutions:

Q.64

A) B)
C) D)

Solutions: Q.68 What quantity of oxygen is required for complete

burning of 15.6 g benzene?
A) 75 g B) 88 g
C) 48 g D) 64 g
Solutions:

Q.65

A)
B) Q.69
C)
D)
Solutions: A) B)
C) D)
Solutions: Solutions:

Q.70 What is the mass in gram of 1 atom of an element if

it's atomic mass is 10 u?
A) 20
. 6056 × 10− 22 g
B) 16
. 6056 × 10− 23 g
C) 10
. 6056 × 10− 24 g
D) 36
. 6056 × 10− 25 g
Q.75 112 mL of hydrogen combines with 56 mL of oxygen
Solutions: to form water. When 224 mL of hydrogen is passed
over heated cupric oxide, the cupric oxide loses
0.160 g of its weight. All volumes are measured at
Q.71 STP. This experiment proves
A) Law of conservation of mass
B) Law of multiple proportion
A)
C) Law of constant composition
B) D) Gay Lussac's law
C)
Solutions:
D)
Solutions:

Q.72 Which from following substances consists of total 1

mole atoms in it?
(Molarmassof NH3 = 17 , H2O = 18 , N2 = 28 , CO2 = 44)

A) 4.25 g NH3 B) 1.8 g H2O

C) 2.8 g N2 D) 4.4 g CO2
Solutions:
Q.76 Which of the following have same number of
significant figures?
A. 0.00253
B. 1.0003
C. 15.0
Q.73
D. 163
Choose the correct answer from the options given
below
A) B) A) C and D only
C) D) B) A, C and D only
C) B and C only
Solutions:
D) A, B and C only
Solutions:

Q.74 Number of milliliter of a 2.08% BaCl2(w/v) solution Q.77

which is required to precipitate the sulphur as BaSO4
in a 0.60g sample that contains 12% sulphur (Ba =
137)
A) 11.40 mL B) 14.63 mL A)
C) 22.50 mL D) 24 mL B)
C)
D)
Solutions:
Q.82

A) B)
C) D)
Solutions:
Q.78 Assertion: Both 138 g of K2CO3 and 12 g of carbon have
same number of carbon atoms.
Reason: Both contains 1 g mole of Carbon which cotains
6.022 × 1023 carbon atoms.

A)

B) Q.83 Hydrogen peroxide in aqueous solution decomposes

on warming to give oxygen according to the
C) equation,
D) 2H2O2(aq) → 2H2O (l) + O2( g)
Under conditions where 1 mole of gas occupies
Solutions:
24dm3, 100cm3 of XM solution of H2O2 produces 3 dm3
of O2. Thus X is
A) 2.5 B) 1
C) 0.5 D) 0.25
Solutions:

Q.79 The number of moles of hydrogen molecules required

to produce 20 moles of ammonia through Haber's
process is
A) 10 B) 20 C) 30 D) 40
Solutions:
Q.84

A) B)
C) D)
Solutions:
Q.80

A) B)
C) D)
Solutions:

Q.81 Which of the following statements is true? Q.85

Law of constant composition is true for all types

A)
of compounds. A) B)
Molar volume of a gas at standard conditions is C) D)
B)
22.4 L.
Solutions:
Vapour density of a gas is twice of its molecular
C)
mass.
D) Atomic masses of most element are fractional.
Solutions:
 Chem Sec 2
Q.89
(Attempt any 10 questions)

A) B)
C) D)
Q.86
Solutions:

A)
B) Q.90
C)
D)

Solutions: A) B)
C) D)
Solutions:

Q.87

A)
B) Q.91

C)
D)
A) B)
Solutions: C) D)
Solutions:

Q.88

A)
B)
C) Q.92

D)
A) B)
Solutions:
C) D)
Solutions:
Q.96

A) B)
C) D)
Solutions:

Q.93

A)
Q.97
B)
C)
A) B)
D)
C) D)
Solutions:
Solutions:

Q.98

A) B)

C) D)

Solutions:
Q.94

A) B)
C) D)
Solutions:

Q.95

A) B) Q.99
C) D)
Solutions:

A) B)
C) D)
Solutions:
Q.100 Q.104

A) A) B)
B) C) D)
C) Solutions:
D)
Solutions:

Q.105

Zoo Sec 1
(Attempt any 35 questions) A) B)
C) D)
Solutions:
Q.101

A)
B)
C)
D)
Q.106
Solutions:

A) B)

C) D)
Q.102
Solutions:

Q.107
A)

A)
B)
B)
C)
C)
D)
D)
Solutions:
Solutions:

Q.103 Q.108

A) B)
C) D)
Solutions:

A)
B)
C)
D)
Solutions:
Q.113

A)
B)
C)
D)
Solutions:
Q.109

A)

Q.114
B)

C)
A)

D)
B)
Solutions:

C)

Q.110
D)

Solutions:
A)
B)
C)
D) Q.115
Solutions:

A)

B)

Q.111 C)

A) B) D)
C) D)
Solutions:
Solutions:

Q.112

A)
B) Q.116
C)

D) A) B)

Solutions: C) D)
Solutions:
 Solutions:
Q.117

A)
B)
C) Q.122
D)
Solutions:

Q.118

A)
A)
B)
B)
C)
C)
D)
D)
Solutions:
Solutions:

Q.119

A)
B) Q.123
C)
D)
A)
Solutions:
B)
C)
D)
Solutions:

Q.120

A) Q.124
B)

C)

D)

Solutions: A)

B)

C)
D)

Q.121 Solutions:

A)
B)
C)
D)
 Solutions:
Q.125

A) B)
C) D)

Solutions:
Q.131

A) B)
C) D)
Solutions:

Q.126

A) B)
C) D)
Q.132
Solutions:

A) B)
C) D)
Q.127
Solutions:

A) B)
C) D)
Solutions: Q.133

A)
B)
Q.128 C)
D)
A) B) Solutions:

C) D)

Solutions:

Q.134

A) B)
C) D)
Q.129
Solutions:

A)

B)
Q.135
C)
D) A)

Solutions: B)

C)

D)
Q.130 Solutions:

A)

B)
C)
D)
 Zoo Sec 2 Solutions:

(Attempt any 10 questions)

Q.136
Q.140

A) A)
B)
B) C)
D)
C) Solutions:

D)

Solutions: Q.141

A)
B)
Q.137 C)
D)
A) B)
Solutions:
C) D)

Solutions:

Q.142

Q.138 A)
B)
C)
D)
A)
Solutions:
B)

C)

D)

Solutions: Q.143

A)
B)
C)
Q.139
D)
A) Solutions:

B)
C)

D)
 Solutions:
Q.144

A)
B)
C) Q.149

D)
A)
Solutions:
B)
C)
D)

Solutions:

Q.145

A) B)
Q.150
C) D)

Solutions:
A) B)
C) D)
Solutions:
Q.146

A)
B)
Bot Sec 1
C)
D)
(Attempt any 35 questions)

Solutions:

Q.151 Which of the following statements is/are correct?

A) Both DNA and RNA are able to mutate
B) Only DNA mutates and RNA transcribes only
Q.147 RNA is dependent on DNA for synthesis of
C)
proteins
A) D) Viruses having DNA genome evolved faster
B) Solutions:
C)
D)
Q.152 DNA exists in a double-stranded form whereas RNA
Solutions: is mainly a single stranded molecule. What is the
likely reason for DNA being double stranded?
A) RNA strands cannot form base pairs.
B) Double stranded DNA is a more stable structure.
C) DNA cannot exist in the single stranded form.
Q.148 It is easier to replicate double stranded DNA than
D)
single stranded RNA.
Solutions:
A)
B)
C) Q.153 Which one of the following hydrolyses internal
phosphodiester bonds in a polynucleotide chain?
D)
A) Lipase
B) Protease
C) Endonuclease
D) Exonuclease
Solutions:
Q.159 Unwinding of two strands of DNA for replication
purpose occurs in stretches, because
A) Helicases has specificity for few bases
Q.154 In a nucleoside unit N-glyosidic bond is formed B) DNA replication is to be discontinuous
between C) It has high energy requirement
A) Nitrogenous base and sugar D) Replication has to proceed in 5’ → 3’ direction
B) Phosphoric acid and sugar Solutions:
C) Sugar and sugar
D) Two nucleotide unit
Solutions:
Q.160 If the distance between two consecutive base pairs is
0.34 nm and the total number of base pairs of a DNA
double helix in a typical mammalian cell is 6.6 ×109 bp
Q.155 Which of the following is incorrect with respect to , then the length of the DNA is approximately
pyrimidines? A) 2.0 meters B) 2.5 meters
A) Heterocyclic C) 2.2 meters D) 2.7 meters
B) 7 membered ring Solutions:
C) Cytosine is an example of pyrimidine
D) Single-ring structure
Solutions: Q.161 The process of translation of mRNA to proteins
begins as soon as
A) The larger subunit of ribosome encounters mRNA
Both the subunits join together to bind with
B)
Q.156 DNA polymorphism forms the basis of mRNA
The tRNA is activated and the larger subunit of
A) DNA finger printing C)
ribosome encounters mRNA
B) Both genetic mapping and DNA finger printing
D) The small subunit of ribosome encounters mRNA
C) Translation
Solutions:
D) Genetic mapping
Solutions:

Q.162 Which of the following statements is correct?

A) Adenine pairs with thymine through two H-bonds.
Q.157 Which of the following can be observed alongside
with radioactive bacterium as a result of B) Adenine pairs with thymine through one H-bond.
centrifugation? Adenine pairs with thymine through three H-
C)
bonds.
A) Bacterium starts to produce RNA
D) Adenine does not pair with thymine.
B) Radioactivity can be detected in the supernatant
Solutions:
C) Bacterium starts to move slowly
Radioactivity cannot be detected in the
D)
supernatant
Solutions: Q.163 Name the site where upstream sequences are
located?
A) Prior to start point
B) After the startpoint
Q.158 Choose the correct pair from the following. C) Right border of DNA
D) In the middle of DNA
A) Ligases - Join the two DNA molecules
Solutions:
B) Polymerases - Break the DNA into fragments
C) Nucleases - Separate the two strands of DNA
Exonucleases - Make cuts at specific positions
D)
within DNA Q.164 Which of the following molecules contains the
Solutions: genetic code?
A) DNA B) mRNA
C) tRNA D) rRNA
Solutions:
 Solutions:
Q.165 Name the RNA molecule which is used to carry
genetic information copied from DNA?
A) tRNA B) mRNA
C) rRNA D) snRNA
Solutions:

Q.172 Which process is termed as "semiconservative DNA

replication"?

Q.166 Semi conservative replication is characteristic of Presence of only newly synthesised strands in
A)
DNA
A) DNA only B) Presence of only parental strands in DNA
B) RNA only Presence of both parental and newly synthesised
C)
C) DNA, RNA & lipids strands in DNA
D) DNA, RNA & proteins D) Presence of a hybrid variety of strands
Solutions: Solutions:

Q.167 Telomerase is an enzyme which is a

A) simple protein Q.173 Read the following statements and choose the set of
B) RNA correct statements.
C) ribonucleoprotein (a) Euchromatin is loosely packed chromatin.
D) repetitive DNA. (b) Heterochromatin is transcriptionally active.
(c) Histone octomer is wrapped by negatively
Solutions: charged DNA in nucleosome.
(d) Histones are rich in lysine and arginine.
(e) A typical nucleosome contains 400 bp of DNA
helix.
Q.168 The first phase of translation is
A) (a), (c), (d) only
A) Binding of mRNA to ribosome
B) (b), (e) only
B) Recognition of DNA molecule
C) (a), (c), (e) only
C) Aminoacylation of tRNA
D) (b), (d), (e) only
D) Recognition of anti-codon
Solutions:
Solutions:

Q.174 Removal of RNA polymerase III from nucleoplasm

Q.169 The termination codon is not ____________. will affect the synthesis of
A) AUG B) UAA A) tRNA B) hnRNA
C) UAG D) UGA C) mRNA D) rRNA.
Solutions:
Solutions:

Q.170 SNP which is pronounced as "snips" stands for

A) Small Nuclear Protein Q.175 The sequence that controls the copy number of the
B) Single Nucleotide Particle linked DNA in the vector, is termed as
C) Single Nucleotide Polymorphism A) Selectable marker
D) Small Nicking Points B) Ori site
Solutions: C) Palindromic sequence
D) Recognition site
Solutions:

Q.171 Replication fork is the junction between the two

___________.
Q.176 What is DNA replication?
A) Unreplicated DNA
A) Conservative
B) Newly synthesized DNA
B) Non-conservative
Newly separated DNA strands and newly
C) C) Semi-conservative
synthesized DNA strands
D) None of the mentioned
Newly separated DNA strands and the
D)
unreplicated DNA
Solutions:
Q.182 Name the enzyme that facilitates opening of DNA
helix during transcription.
A) DNA ligase
Q.177 Find the incorrect statement. B) DNA helicase
A) Histone proteins are rich in acidic amino acids C) DNA polymerase
B) Prokaryotes do not have histone D) RNA polymerase
C) Histone octamer is wrapped around DNA Solutions:
D) H1 protein is not the part of nucleosome
Solutions:
Q.183 In eukaryotes, mRNA is synthesized with the aid of
A) RNA polymerase III.
B) RNA polmerase II.
Q.178 Expressed sequence Tags (ESTs) refers to C) RNA polymerase I.
D) reverse transcriptase.
A) All genes that are expressed as proteins.
Solutions:
B) All genes whether expressed or unexpressed.
C) Certain important expressed genes
D) All genes that are expressed as RNA
Solutions:
Q.184 Which of the following statements is Incorrect about
SnRNA?
A) It is small nuclear RNA
B) It helps in RNA splicing
C) It is also called snurps
Q.179 Enzymes of ________ are clustered together in a D) It functions in RNA editing
bacterial operon.
Solutions:
A) metabolic pathway
B) transcription
C) transfusion
D) transformation Q.185 Which of the following is true about DNA
Solutions: polymerase?
A) It can synthesize DNA in the 5' to 3' direction
B) It can synthesize DNA in the 3' to 5' direction
C) It can synthesize mRNA in the 3' to 5' direction
D) It can synthesize mRNA in the 5' to 3' direction
Q.180 If a geneticist uses the blind approach for Solutions:
sequencing the whole genome of an organism,
followed by assignment of function to different
segments, the methodology adopted by him is called Bot Sec 2
as (Attempt any 10 questions)
A) Gene mapping
B) Expressed sequence tags
C) Bioinformatics
Q.186
D) Sequence annotation
A) B)
Solutions:
C) D)
Solutions:

Q.181 In prokaryotes, the predominant site for control of

gene expression is
A) Translation
B) Transcription
Q.187 Semi-conservative DNA replication was first
C) RNA splicing demonstrated in ____________.
D) Replication
A) Drosophila melanogaster
Solutions:
B) Escherichia coli
C) Streptococcus pneumonae
D) Drosophila melanogaster
Solutions:
Q.193
A)
Q.188
B)
C)
A) B) D)
C) D) Solutions:

Solutions:

Q.194

Q.189 A)
B)

A) C)
D)
B)
C) Solutions:

D)

Solutions:

Q.195

A)
B)
Q.190 Which of the following RNAs should be most
abundant in animal cell? C)
A) tRNA B) mRNA D)
C) miRNA D) rRNA
Solutions:
Solutions:

Q.196 Genetic code is

Q.191 A) triplet, universal, ambiguous and degenerate.
triplet, universal, non-ambiguous and
B)
A) nondegenerate.
B) triplet, universal, non-ambiguous and
C)
C) degenerate.
D) triplet, universal, ambiguous and non-
D)
degenerate.
Solutions:
Solutions:

Q.192
Q.197
A)
B) A) B)
C)
C) D)
D)
Solutions:
Solutions:
Q.198

A)

B)

C)

D)

Solutions:

Q.199

A)
B)

C)

D)

Solutions:

Q.200

A)
B)
C)
D)

Solutions:

QUANTUM ACADEMY | T-05