NEET 2020 Online Mock test

Vishal Kumar 29/01/2021

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NEET 2020 Question Papers H2 Online Mock test With Answers

Introduction :

The National Eligibility cum Entrance Test (NEET) is an all-India medical entrance examination held in India. The exam is conducted by the National Testing Agency (NTA) every year to offer admissions to students in undergraduate medical programs like MBBS, BDS etc. Qualifying the NEET exam has been made obligatory by the Government of India to pursue medical studies in India and abroad.

It is the only medical entrance examination held on an all-India basis and hence attracts a multitude of students. The vast and varied syllabus of the exam coupled with the high level of competition makes NEET one of the toughest entrance exams in the country.

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Take NEET Mock Test here online for free. Mock Test of NEET is an important part of exam preparation. NEET Mock Test by TayariOnline is based on exam syllabus and level of exam. Practice physics, chemistry, zoology, botany of NEET level with online mock test. National Eligibility cum Entrance Test is conducted by National Testing Agency (NTA) for admission to MBBS and BDS.

NEET & JEE

NEET 2020 Code H2 Online Mock test

The National Eligibility cum Entrance Test (NEET) is an all-India medical entrance examination held in India. The exam is conducted by the National Testing Agency (NTA) every year to offer admissions to students in undergraduate medical programs.

Take NEET Mock Test here online for free. Mock Test of NEET is an important part of exam preparation. NEET Mock Test by TayariOnline is based on exam syllabus and level of exam. Practice physics, chemistry, zoology, botany of NEET level with online mock test.

1 / 174

Category: Current Affairs

A tertiary butyl carbocation is more stable
than a secondary butyl carbocation because
of which of the following ?

2 / 174

Category: NEET & JEE

Identify the wrong statement with regard to
Restriction Enzymes

Each restriction enzyme functions by inspecting the length of a DNA sequence.

Sticky ends can be joined by using DNA ligases.

They cut the strand of DNA at palindromic sites.

They are useful in genetic engineering.

3 / 174

Category: NEET & JEE

4 / 174

Category: NEET & JEE

The capacitance of a parallel plate capacitor
with air as medium is 6 μF. With the
introduction of a dielectric medium, the
capacitance becomes 30 μF. The permittivity of
the medium is :

5 / 174

Category: NEET & JEE

For transistor action, which of the following
statements is correct?

The base region must be very thin and lightly doped.

Base, emitter and collector regions should have same size.

Base, emitter and collector regions should have same doping concentrations.

Both emitter junction as well as the collector junction are forward biased.

6 / 174

Category: NEET & JEE

The solids which have the negative
temperature coefficient of resistance are:

metals

semiconductors only

insulators and semiconductors

insulators only

7 / 174

Category: NEET & JEE

Hydrolysis of sucrose is given by the following
reaction.

8 / 174

Category: NEET & JEE

Bt cotton variety that was developed by the
introduction of toxin gene of Bacillus
thuringiensis (Bt) is resistant to

Insect pests

Fungal diseases

Insect predators

Plant nematodes

9 / 174

Category: NEET & JEE

Which one of the followings has maximum
number of atoms ?

1 g of Mg(s) [Atomic mass of Mg = 24]

1 g of Ag(s) [Atomic mass of Ag = 108]

1 g of Li(s) [Atomic mass of Li = 7]

1 g of O2(g) [Atomic mass of O = 16]

10 / 174

Category: NEET & JEE

11 / 174

Category: NEET & JEE

Which of the following statements are true for
the phylum-Chordata?
(a) In Urochordata notochord extends from
head to tail and it is present throughout
their life.
(b) In Vertebrata notochord is present during
the embryonic period only.
(c) Central nervous system is dorsal and
hollow.
(d) Chordata is divided into 3 subphyla :
Hemichordata, Tunicata and
Cephalochordata.

(d) and (c)

(a) and (b)

(b) and (c)

12 / 174

Category: NEET & JEE

The correct option for free expansion of an
ideal gas under adiabatic condition is

q < 0, ΔT = 0 and w = 0

q = 0, ΔT 0

q = 0, ΔT = 0 and w = 0

q > 0, ΔT > 0 and w > 0

13 / 174

Category: NEET & JEE

An electron is accelerated from rest through a
potential difference of V volt. If the
de Broglie wavelength of the electron is
1.227 × 10–²nm, the potential difference is :

14 / 174

Category: NEET & JEE

According to Robert May, the global species
diversity is about

1.5 million

20 million

50 million

7 million

15 / 174

Category: NEET & JEE

Match the following columns and select the
correct option.

16 / 174

Category: NEET & JEE

17 / 174

Category: NEET & JEE

The oxygenation activity of RuBisCo enzyme
in photorespiration leads to the formation of

1 molecule of 6-C compound

2 molecules of 3-C compound

1 molecule of 3-C compound

1 molecule of 4-C compound and 1 molecule of 2-C compound

18 / 174

Category: NEET & JEE

Which of the following regions of the globe
exhibits highest species diversity?

Madagascar

Amazon forests

Himalayas

Western Ghats of India

19 / 174

Category: NEET & JEE

20 / 174

Category: NEET & JEE

The specific palindromic sequence which is
recognized by EcoRI is

21 / 174

Category: NEET & JEE

Match the organism with its use in
biotechnology.

22 / 174

Category: NEET & JEE

An increase in the concentration of the
reactants of a reaction leads to change in

collision frequency

threshold energy

activation energy

heat of reaction

23 / 174

Category: NEET & JEE

The infectious stage of Plasmodium that
enters the human body is

Male gametocytes

Female gametocytes

Sporozoites

Trophozoites

24 / 174

Category: NEET & JEE

Select the correct statement.

Insulin acts on pancreatic cells and adipocytes.

Glucocorticoids stimulate gluconeogenesis.

Insulin is associated with hyperglycemia.

Glucagon is associated with hypoglycemia.

25 / 174

Category: NEET & JEE

Embryological support for evolution was
disapproved by

Oparin

Alfred Wallace

Karl Ernst von Baer

Charles Darwin

26 / 174

Category: NEET & JEE

27 / 174

Category: NEET & JEE

The freezing point depression constant (Kf) of
benzene is 5.12 K kg mol–¹. The freezing point
depression for the solution of molality
0.078 m containing a non-electrolyte solute in
benzene is (rounded off upto two decimal
places) :

0.40 K

0.80 K

0.20 K

0.60 K

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29 / 174

Category: NEET & JEE

Two particles of mass 5 kg and 10 kg
respectively are attached to the two ends of a
rigid rod of length 1 m with negligible mass.
The centre of mass of the system from the 5 kg
particle is nearly at a distance of :

33 cm

50 cm

80 cm

67 cm

30 / 174

Category: NEET & JEE

The process of growth is maximum during

Senescence

Dormancy

Lag phase

Log phase

31 / 174

Category: NEET & JEE

The energy required to break one bond in DNA
is 10–²⁰ J. This value in eV is nearly:

0.6

0.006

0.06

32 / 174

Category: NEET & JEE

The plant parts which consist of two
generations - one within the other
(a) Pollen grains inside the anther
(b) Germinated pollen grain with two male
gametes
(c) Seed inside the fruit
(d) Embryo sac inside the ovule

(a) only

(a) and (d)

(a), (b) and (c)

33 / 174

Category: NEET & JEE

Floridean starch has structure similar to

Laminarin and cellulose

Amylopectin and glycogen

Mannitol and algin

Starch and cellulose

34 / 174

Category: NEET & JEE

The number of substrate level
phosphorylations in one turn of citric acid
cycle is

Zero

One

Two

Three

35 / 174

Category: NEET & JEE

The QRS complex in a standard ECG
represents

Repolarisation of ventricles

Depolarisation of ventricles

Depolarisation of auricles

Repolarisation of auricles

36 / 174

Category: NEET & JEE

Identify the incorrect match.

(d), (iv)

(a), (i)

(c), (iii)

(b), (ii)

37 / 174

Category: NEET & JEE

Identify the substances having glycosidic bond
and peptide bond, respectively in their
structure

Glycerol, trypsin

Inulin, insulin

Chitin, cholesterol

Cellulose, lecithin

38 / 174

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39 / 174

Category: NEET & JEE

For the logic circuit shown, the truth table is:

40 / 174

Category: NEET & JEE

Identify the correct statement with reference
to human digestive system.

IIeum is a highly coiled part

IIeum opens into small intestine

Vermiform appendix arises from duodenum

Serosa is the innermost layer of the alimentary canal

41 / 174

Category: NEET & JEE

The increase in the width of the depletion
region in a p-n junction diode is due to :

both forward bias and reverse bias

increase in forward current

reverse bias only

forward bias only

42 / 174

Category: NEET & JEE

Which of the following amine will give the
carbylamine test?

43 / 174

Category: NEET & JEE

A resistance wire connected in the left gap of
a metre bridge balances a 10 Ω resistance in
the right gap at a point which divides the
bridge wire in the ratio 3 : 2. If the length of the
resistance wire is 1.5 m, then the length of 1 Ω
of the resistance wire is :

1.0 × 10–² m

1.0 × 10–¹ m

1.5 × 10–² m

1.5 × 10–¹ m

44 / 174

Category: NEET & JEE

Flippers of Penguins and Dolphins are
examples of

Industrial melanism

Natural selection

Convergent evolution

Adaptive radiation

45 / 174

Category: NEET & JEE

A 40 μF capacitor is connected to a 200 V,
50 Hz ac supply. The rms value of the current
in the circuit is, nearly :

2.05 A

25.1 A

2.5 A

1.7 A

46 / 174

Category: NEET & JEE

Match the following columns and select the
correct option.

47 / 174

Category: NEET & JEE

Which of the following refer to correct
example(s) of organisms which have evolved
due to changes in environment brought about
by anthropogenic action?
(a) Darwin’s Finches of Galapagos islands.
(b) Herbicide resistant weeds.
(c) Drug resistant eukaryotes.
(d) Man-created breeds of domesticated
animals like dogs.

(b), (c) and (d)

(a) and (c)

only (d)

only (a)

48 / 174

Category: NEET & JEE

Elimination reaction of 2-Bromo-pentane to
form pent-2-ene is
(a) β-Elimination reaction
(b) Follows Zaitsev rule
(c) Dehydrohalogenation reaction
(d) Dehydration reaction

(a), (c), (d)

(b), (c), (d)

(a), (b), (d)

(a), (b), (c)

49 / 174

Category: NEET & JEE

In a certain region of space with volume
0.2 m³ , the electric potential is found to be 5 V
throughout. The magnitude of electric field in
this region is :

zero

5 N/C

0.5 N/C

1 N/C

50 / 174

Category: NEET & JEE

Two cylinders A and B of equal capacity are
connected to each other via a stop cock. A
contains an ideal gas at standard temperature
and pressure. B is completely evacuated. The
entire system is thermally insulated. The stop
cock is suddenly opened. The process is :

adiabatic

isothermal

isochoric

isobaric

51 / 174

Category: NEET & JEE

Identify the correct statement from the
following :

Wrought iron is impure iron with 4% carbon.

Vapour phase refining is carried out for Nickel by Van Arkel method.

Blister copper has blistered appearance due to evolution of CO2.

Pig iron can be moulded into a variety of shapes.

52 / 174

Category: NEET & JEE

Match the following columns and select the
correct option.

53 / 174

Category: NEET & JEE

Match the following :

54 / 174

Category: NEET & JEE

Which of the following statements is
correct?

Adenine pairs with thymine through three H-bonds

Adenine does not pair with thymine

Adenine pairs with thymine through two H-bonds

Adenine pairs with thymine through one H-bond

55 / 174

Category: NEET & JEE

The energy equivalent of 0.5 g of a substance
is :

56 / 174

Category: NEET & JEE

Identify the correct statements from the
following :
(a) CO2(g) is used as refrigerant for ice-cream
and frozen food.
(b) The structure of C60 contains twelve six
carbon rings and twenty five carbon rings.
(c) ZSM-5, a type of zeolite, is used to convert
alcohols into gasoline.
(d) CO is colorless and odourless gas.

(a) and (c) only

(b) and (c) only

(a), (b) and (c) only

57 / 174

Category: NEET & JEE

18 bar

9 bar

15 bar

12 bar

58 / 174

Category: NEET & JEE

Which of the following is not correct about
carbon monoxide ?

The carboxyhaemoglobin (haemoglobin bound to CO) is less stable than oxyhaemoglobin.

It is produced due to incomplete combustion.

It reduces oxygen carrying ability of blood.

It forms carboxyhaemoglobin

59 / 174

Category: NEET & JEE

A screw gauge has least count of 0.01 mm and
there are 50 divisions in its circular scale.
The pitch of the screw gauge is :

0.01 mm

0.25 mm

0.5 mm

1.0 mm

60 / 174

Category: NEET & JEE

Montreal protocol was signed in 1987 for
control of

Transport of Genetically modified organisms from one country to another

Release of Green House gases

Disposal of e-wastes

Emission of ozone depleting substances

61 / 174

Category: NEET & JEE

Ray florets have

Half inferior ovary

Superior ovary

Inferior ovary

Hypogynous ovary

62 / 174

Category: NEET & JEE

In which of the following techniques, the
embryos are transferred to assist those
females who cannot conceive?

ZIFT and IUT

ICSI and ZIFT

GIFT and ICSI

GIFT and ZIFT

63 / 174

Category: NEET & JEE

The color code of a resistance is given below

The values of resistance and tolerance,
respectively, are

470 kΩ, 5%

4.7 kΩ, 5%

470 Ω, 5%

47 kΩ, 10%

64 / 174

Category: NEET & JEE

Anisole on cleavage with HI gives

65 / 174

Category: NEET & JEE

From his experiments, S.L. Miller produced
amino acids by mixing the following in a
closed flask

66 / 174

Category: NEET & JEE

The roots that originate from the base of the
stem are

Prop roots

Primary roots

Fibrous roots

Lateral roots

67 / 174

Category: NEET & JEE

The mean free path for a gas, with molecular
diameter d and number density n can be
expressed as :

68 / 174

Category: NEET & JEE

Urea reacts with water to form A which will
decompose to form B. B when passed through
Cu²+ (aq), deep blue colour solution C is
formed. What is the formula of C from the
following ?

69 / 174

Category: NEET & JEE

What is the change in oxidation number of
carbon in the following reaction?

0 to + 4

0 to – 4

– 4 to + 4

+ 4 to + 4

70 / 174

Category: NEET & JEE

An element has a body centered cubic (bcc)
structure with a cell edge of 288 pm. The
atomic radius is

71 / 174

Category: NEET & JEE

Presence of which of the following conditions
in urine are indicative of Diabetes Mellitus?

Uremia and Renal Calculi

Uremia and Ketonuria

Renal calculi and Hyperglycaemia

Ketonuria and Glycosuria

72 / 174

Category: NEET & JEE

Match the trophic levels with their correct
species examples in grassland ecosystem.

73 / 174

Category: NEET & JEE

Identify the wrong statement with reference
to transport of oxygen

74 / 174

Category: NEET & JEE

The first phase of translation is

Aminoacylation of tRNA

Recognition of an anti-codon

Binding of mRNA to ribosome

Recognition of DNA molecule

75 / 174

Category: NEET & JEE

In a guitar, two strings A and B made of same
material are slightly out of tune and produce
beats of frequency 6 Hz. When tension in B is
slightly decreased, the beat frequency
increases to 7 Hz. If the frequency of A is
530 Hz, the original frequency of B will be:

537 Hz

523 Hz

536 Hz

524 Hz

76 / 174

Category: NEET & JEE

Which of the following is not an attribute of a
population?

Sex ratio

Species interaction

Mortality

Natality

77 / 174

Category: NEET & JEE

A capillary tube of radius r is immersed in
water and water rises in it to a height h. The
mass of the water in the capillary is 5 g.
Another capillary tube of radius 2r is immersed
in water. The mass of water that will rise in this
tube is :

10.0 g

5.0 g

20.0 g

2.5 g

78 / 174

Category: NEET & JEE

In light reaction, plastoquinone facilitates the
transfer of electrons from

79 / 174

Category: NEET & JEE

Select the correct match

Haemophilia – Y linked

Sickle cell anaemia – Autosomal recessive trait, chromosome-11

Phenylketonuria – Autosomal dominant trait

Thalassemia – X linked

80 / 174

Category: NEET & JEE

Which of the following hormone levels will
cause release of ovum (ovulation) from the
graffian follicle?

High concentration of Progesterone

Low concentration of FSH

High concentration of Estrogen

Low concentration of LH

81 / 174

Category: NEET & JEE

Which of the following is the correct order of
increasing field strength of ligands to form
coordination compounds?

82 / 174

Category: NEET & JEE

The following metal ion activates many
enzymes, participates in the oxidation of
glucose to produce ATP and with Na, is
responsible for the transmission of nerve
signals.

Iron

Copper

Potassium

Calcium

83 / 174

Category: NEET & JEE

A ray is incident at an angle of incidence i on
one surface of a small angle prism (with angle
of prism A) and emerges normally from the
opposite surface. If the refractive index of the
material of the prism is μ, then the angle of
incidence is nearly equal to :

84 / 174

Category: NEET & JEE

85 / 174

Category: NEET & JEE

In relation to Gross primary productivity and
Net primary productivity of an ecosystem,
which one of the following statements is
correct?

Gross primary productivity and Net primary productivity are one and same

Gross primary productivity is always more than net primary productivity

There is no relationship between Gross primary productivity and Net primary productivity

Gross primary productivity is always less than net primary productivity

86 / 174

Category: NEET & JEE

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, then the
length of the DNA is approximately

2.7 meters

2.5 meters

2.0 meters

2.2 meters

87 / 174

Category: NEET & JEE

Secondary metabolites such as nicotine,
strychnine and caffeine are produced by
plants for their

Nutritive value

Defence action

Effect on reproduction

Growth response

88 / 174

Category: NEET & JEE

89 / 174

Category: NEET & JEE

Identify a molecule which does not exist.

90 / 174

Category: NEET & JEE

1.0

–1.0

zero

0.5

91 / 174

Category: NEET & JEE

The rate constant for a first order reaction is
4.606 × 10–³ s–¹. The time required to reduce
2.0 g of the reactant to 0.2 g is :

100 s

1000 s

500 s

200 s

92 / 174

Category: NEET & JEE

In Young’s double slit experiment, if the
separation between coherent sources is halved
and the distance of the screen from the
coherent sources is doubled, then the fringe
width becomes :

four times

double

half

one-fourth

93 / 174

Category: NEET & JEE

Match the following

94 / 174

Category: NEET & JEE

On electrolysis of dil. sulphuric acid using
Platinum (Pt) electrode, the product obtained
at anode will be

95 / 174

Category: NEET & JEE

Which of the following is put into Anaerobic
sludge digester for further sewage treatment?

Floating debris

Primary sludge

Activated sludge

Effluents of primary treatment

96 / 174

Category: NEET & JEE

The ovary is half inferior in :

Brinjal

Plum

Sunflower

Mustard

97 / 174

Category: NEET & JEE

Which of the following statements is
not correct?

In man insulin is synthesised as a proinsulin

Genetically engineered insulin is produced in E.Coli.

The functional insulin has A and B chains linked together by hydrogen bonds.

The proinsulin has an extra peptide called C-peptide.

98 / 174

Category: NEET & JEE

Identify the basic amino acid from the
following.

Valine

Glutamic Acid

Tyrosine

Lysine

99 / 174

Category: NEET & JEE

By which method was a new breed ‘Hisardale’
of sheep formed by using Bikaneri ewes and
Marino rams?

Cross breeding

Mutational breeding

Inbreeding

Out crossing

100 / 174

Category: NEET & JEE

Light with an average flux of 20 W/cm² falls on
a non-reflecting surface at normal incidence having surface area 20 cm² . The energy
received by the surface during time span of
1 minute is : ³

12 × 10³ J

24 × 10³ J

48 × 10³ J

10 × 10³ J

101 / 174

Category: NEET & JEE

For which one of the following, Bohr model is
not valid ?

Singly ionised neon atom (Ne+ )

Hydrogen atom

Singly ionised helium atom (He+ )

Deuteron atom

102 / 174

Category: NEET & JEE

Which of the following would help in
prevention of diuresis?

Reabsorption of Na+ and water from renal tubules due to aldosterone

Decrease in secretion of renin by JG cells

Atrial natriuretic factor causes vasoconstriction

More water reabsorption due to undersecretion of ADH

103 / 174

Category: NEET & JEE

Match the following columns and select the
correct option.

104 / 174

Category: NEET & JEE

Some dividing cells exit the cell cycle and
enter vegetative inactive stage. This is called
quiescent stage (G0). This process occurs at
the end of

S phase

G1 phase

M phase

G2 phase

105 / 174

Category: NEET & JEE

Assume that light of wavelength 600 nm is
coming from a star. The limit of resolution of
telescope whose objective has a diameter of
2 m is :

106 / 174

Category: NEET & JEE

The process responsible for facilitating loss
of water in liquid form from the tip of grass
blades at night and in early morning is

Imbibition

Plasmolysis

Root pressure

Transpiration

107 / 174

Category: NEET & JEE

The number of Faradays(F) required to
produce 20 g of calcium from molten CaCl2
(Atomic mass of Ca = 40 g mol–¹) is

108 / 174

Category: NEET & JEE

Meiotic division of the secondary oocyte is
completed

At the time of copulation

Prior to ovulation

At the time of fusion of a sperm with an ovum

After zygote formation

109 / 174

Category: NEET & JEE

Which of the following is a cationic
detergent?

Cetyltrimethyl ammonium bromide

Sodium lauryl sulphate

Sodium stearate

Sodium dodecylbenzene sulphonate

110 / 174

Category: NEET & JEE

Identify the wrong statement with reference
to the gene ‘I’ that controls ABO blood groups.

111 / 174

Category: NEET & JEE

A long solenoid of 50 cm length having 100
turns carries a current of 2.5 A. The magnetic
field at the centre of the solenoid is :

112 / 174

Category: NEET & JEE

Select the option including all sexually
transmitted diseases.

Cancer, AIDS, Syphilis

Gonorrhoea, Malaria, Genital herpes

AIDS, Malaria, Filaria

Gonorrhoea, Syphilis, Genital herpes

113 / 174

Category: NEET & JEE

Cuboidal epithelium with brush border of
microvilli is found in

Eustachian tube

Lining of intestine

Ducts of salivary gland

Proximal convoluted tubule of nephron

114 / 174

Category: NEET & JEE

Match the following columns and select the
correct option.

115 / 174

Category: NEET & JEE

The ratio of contributions made by the electric
field and magnetic field components to the
intensity of an electromagnetic wave is :
(c = speed of electromagnetic waves)

1 : c

1 : c²

c : 1

1 : 1

116 / 174

Category: NEET & JEE

zero

400 V

50 V

200 V

117 / 174

Category: NEET & JEE

Taking into account of the significant figures,
what is the value of 9.99 m – 0.0099 m?

9.98 m

9.9801 m

9.9 m

9.980 m

118 / 174

Category: NEET & JEE

The calculated spin only magnetic moment of
Cr²+ ion is

5.92 BM

3.87 BM

2.84 BM

4.90 BM

119 / 174

Category: NEET & JEE

Which of the following graph represents the
variation of resistivity (ρ) with temperature (T)
for copper?

120 / 174

Category: NEET & JEE

Identify compound X in the following sequence
of reactions

121 / 174

Category: NEET & JEE

A body weighs 72 N on the surface of the
earth. What is the gravitational force on it, at a
height equal to half the radius of the earth?

32 N

30 N

48 N

24 N

122 / 174

Category: NEET & JEE

Name the plant growth regulator which upon
spraying on sugarcane crop, increases the
length of stem, thus increasing the yield of
sugarcane crop.

Abscisic acid

Gibberellin

Cytokinin

Ethylene

123 / 174

Category: NEET & JEE

Match the following columns and select the
correct option.

124 / 174

Category: NEET & JEE

Which one of the following is the most
abundant protein in the animals?

Lectin

Haemoglobin

Insulin

Collagen

125 / 174

Category: NEET & JEE

Two bodies of mass 4 kg and 6 kg are tied to
the ends of a massless string. The string
passes over a pulley which is frictionless
(see figure). The acceleration of the system in
terms of acceleration due to gravity (g) is :

g/5

g/10

g/2

126 / 174

Category: NEET & JEE

Which of the following set of molecules will
have zero dipole moment?

Ammonia, beryllium difluoride, water, 1,4-dichlorobenzene

Boron trifluoride, hydrogen fluoride, carbon dioxide, 1,3-dichlorobenzene

Nitrogen trifluoride, beryllium difluoride, water, 1,3-dichlorobenzene

Boron trifluoride, beryllium difluoride, carbon dioxide, 1,4-dichlorobenzene

127 / 174

Category: NEET & JEE

Reaction between acetone and
methylmagnesium chloride followed by
hydrolysis will give :

Sec. butyl alcohol

Isobutyl alcohol

Isopropyl alcohol

Tert. butyl alcohol

128 / 174

Category: NEET & JEE

A cylinder contains hydrogen gas at pressure
of 249 kPa and temperature 27°C.
Its density is : (R = 8.3 J mol–¹ K–¹)

0.5 kg/m³

0.02 kg/m³

0.2 kg/m³

0.1 kg/m³

129 / 174

Category: NEET & JEE

The enzyme enterokinase helps in conversion
of

caseinogen into casein

protein into polypeptides

pepsinogen into pepsin

trypsinogen into trypsin

130 / 174

Category: NEET & JEE

The transverse section of a plant shows
following anatomical features :
(a) Large number of scattered vascular
bundles surrounded by bundle sheath
(b) Large conspicuous parenchymatous
ground tissue
(c) Vascular bundles conjoint and closed
(d) Phloem parenchyma absent
Identify the category of plant and its part :

Monocotyledonous root

Dicotyledonous stem

Dicotyledonous root

Monocotyledonous stem

131 / 174

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132 / 174

Category: NEET & JEE

In gel electrophoresis, separated DNA
fragments can be visualized with the help of

Ethidium bromide in UV radiation

Acetocarmine in bright blue light

Acetocarmine in UV radiation

Ethidium bromide in infrared radiation

133 / 174

Category: NEET & JEE

Experimental verification of the chromosomal
theory of inheritance was done by

Boveri

Sutton

Mendel

Morgan

134 / 174

Category: NEET & JEE

In water hyacinth and water lily, pollination
takes place by :

Insects or wind

Water currents only

Insects and water

Wind and water

135 / 174

Category: NEET & JEE

A ball is thrown vertically downward with a
velocity of 20 m/s from the top of a tower. It hits
the ground after some time with a velocity of
80 m/s. The height of the tower is : (g = 10 m/s²)

360 m

320 m

300 m

340 m

136 / 174

Category: NEET & JEE

The mixture which shows positive deviation
from Raoult’s law is

Benzene + Toluene

Chloroethane + Bromoethane

Ethanol + Acetone

Acetone + Chloroform

137 / 174

Category: NEET & JEE

Name the enzyme that facilitates opening of
DNA helix during transcription.

DNA ligase

DNA polymerase

RNA polymerase

DNA helicase

138 / 174

Category: NEET & JEE

Dissolution of the synaptonemal complex
occurs during

Leptotene

Diplotene

Pachytene

Zygotene

139 / 174

Category: NEET & JEE

140 / 174

Category: NEET & JEE

Identify the wrong statement with reference
to immunity.

Active immunity is quick and gives full response.

Foetus receives some antibodies from mother, it is an example for passive immunity.

When exposed to antigen (living or dead) antibodies are produced in the host’s body. It is called “Active immunity”.

When ready-made antibodies are directly given, it is called “Passive immunity”.

141 / 174

Category: NEET & JEE

Which of the following is a natural polymer?

cis-1, 4-polyisoprene

poly (Butadiene-styrene)

poly (Butadiene-acrylonitrile)

polybutadiene

142 / 174

Category: NEET & JEE

Which of the following oxoacid of sulphur has
– O – O – linkage?

143 / 174

Category: NEET & JEE

Which of the following is a basic amino acid ?

Serine

Alanine

Lysine

Tyrosine

144 / 174

Category: NEET & JEE

Paper chromatography is an example of

Partition chromatograph

Column chromatography

Adsorption chromatography

Thin layer chromatography

145 / 174

Category: NEET & JEE

Strobili or cones are found in

Salvinia

Pteris

Equisetum

Marchantia

146 / 174

Category: NEET & JEE

The product(s) of reaction catalyzed by
nitrogenase in root nodules of leguminous
plants is/are

Ammonia alone

Nitrate alone

Ammonia and hydrogen

Ammonia and oxygen

147 / 174

Category: NEET & JEE

Match the following columns and select the
correct option.

148 / 174

Category: NEET & JEE

Light of frequency 1.5 times the threshold
frequency is incident on a photosensitive
material. What will be the photoelectric
current if the frequency is halved and intensity
is doubled?

four times

zero

doubled

one-fourth

149 / 174

Category: NEET & JEE

Which of the following alkane cannot be made
in good yield by Wurtz reaction?

n-Butane

n-Hexane

n-Heptane

2,3-Dimethylbutane

150 / 174

Category: NEET & JEE

Bilaterally symmetrical and acoelomate
animals are exemplified by

Annelida

Ctenophora

Aschelminthes

Platyhelminthes

151 / 174

Category: NEET & JEE

An alkene on ozonolysis gives methanal as
one of the product. Its structure is

152 / 174

Category: NEET & JEE

Snow-blindness in Antarctic region is due to

High reflection of light from snow

Inflammation of cornea due to high dose of UV-B radiation

Freezing of fluids in the eye by low temperature

Damage to retina caused by infra-red rays

153 / 174

Category: NEET & JEE

Which of the following pairs is of unicellular
algae?

Gelidium and Gracilaria

Chlorella and Spirulina

Anabaena and Volvox

Laminaria and Sargassum

154 / 174

Category: NEET & JEE

An iron rod of susceptibility 599 is subjected
to a magnetising field of 1200 A m–¹. The
permeability of the material of the rod is :

155 / 174

Category: NEET & JEE

Measuring Zeta potential is useful in
determining which property of colloidal
solution?

Size of the colloidal particles

Solubility

Stability of the colloidal particles

Viscosity

156 / 174

Category: NEET & JEE

Identify the incorrect statement.

Heart wood does not conduct water but gives mechanical support

Sapwood is involved in conduction of water and minerals from root to leaf

Due to deposition of tannins, resins, oils etc., heart wood is dark in colour

Sapwood is the innermost secondary xylem and is lighter in colour

157 / 174

Category: NEET & JEE

Which of the following is correct about
viroids?

They have free RNA without protein coat

They have DNA with protein coat

They have RNA with protein coat

They have free DNA without protein coat

158 / 174

Category: NEET & JEE

Select the correct events that occur during
inspiration.
(a) Contraction of diaphragm
(b) Contraction of external inter-costal
muscles
(c) Pulmonary volume decreases
(d) Intra pulmonary pressure increases

(a) and (b)

only (d)

(a), (b) and (d)

159 / 174

Category: NEET & JEE

Dimensions of stress are :

160 / 174

Category: NEET & JEE

Which of the following is not an inhibitory
substance governing seed dormancy?

Abscisic acid

Para-ascorbic acid

Gibberellic acid

Phenolic acid

161 / 174

Category: NEET & JEE

Identify the correct statement with regard to
G1 phase (Gap 1) of interphase.

Cell is metabolically active, grows but does not replicate its DNA.

Nuclear Division takes place.

DNA synthesis or replication takes place.

Reorganisation of all cell components takes place.

162 / 174

Category: NEET & JEE

Which is the important site of formation of
glycoproteins and glycolipids in eukaryotic
cells?

Peroxisomes

Polysomes

Golgi bodies

Endoplasmic reticulum

163 / 174

Category: NEET & JEE

If the head of cockroach is removed, it may
live for few days because

the head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body.

the cockroach does not have nervous system.

the head holds a 1/3rd of a nervous system while the rest is situated along the dorsal part of its body.

the supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen.

164 / 174

Category: NEET & JEE

Sucrose on hydrolysis gives αβ

β-D-Glucose +α-D-Fructose

α-D-Fructose +β-D-Fructose

α-D-Glucose +β-D-Fructose

α-D-Glucose +β-D-Glucose

165 / 174

Category: NEET & JEE

How many true breeding pea plant varieties
did Mendel select as pairs, which were similar
except in one character with contrasting
traits?

166 / 174

Category: NEET & JEE

Which of the following statements about
inclusion bodies is incorrect?

These represent reserve material in cytoplasm

They lie free in the cytoplasm

They are not bound by any membrane

These are involved in ingestion of food particles

167 / 174

Category: NEET & JEE

Reaction between benzaldehyde and
acetophenone in presence of dilute NaOH is
known as

Cannizzaro’s reaction

Cross Aldol condensation

Aldol condensation

Cross Cannizzaro’s reaction

168 / 174

Category: NEET & JEE

Choose the correct pair from the following

Nucleases - Separate the two strands of DNA

Exonucleases - Make cuts at specific positions within DNA

Ligases - Join the two DNA molecules

Polymerases - Break the DNA into fragments

169 / 174

Category: NEET & JEE

71, 104 and 71

104, 71 and 71

175, 104 and 71

71, 71 and 104

170 / 174

Category: NEET & JEE

The body of the ovule is fused within the
funicle at

Nucellus

Chalaza

Hilum

Micropyle

171 / 174

Category: NEET & JEE

The sequence that controls the copy number
of the linked DNA in the vector, is termed

Recognition site

Palindromic sequence

Ori site

Selectable marker

172 / 174

Category: NEET & JEE

173 / 174

Category: NEET & JEE

Identify the incorrect statement.

174 / 174

Category: NEET & JEE

The phase difference between displacement
and acceleration of a particle in a simple
harmonic motion is :

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NEET 2020 Question Papers H2 Online Mock test With Answers

Introduction :

It is the only medical entrance examination held on an all-India basis and hence attracts a multitude of students. The vast and varied syllabus of the exam coupled with the high level of competition makes NEET one of the toughest entrance exams in the country.

The National Eligibility cum Entrance Test (NEET) is an all-India medical entrance examination held in India. The exam is conducted by the National Testing Agency (NTA) every year to offer admissions to students in undergraduate medical programs.

Take NEET Mock Test here online for free. Mock Test of NEET is an important part of exam preparation. NEET Mock Test by TayariOnline is based on exam syllabus and level of exam. Practice physics, chemistry, zoology, botany of NEET level with online mock test.

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