NEET 2020 Online Mock test

Vishal Kumar 25/01/202125/01/2021

Contents Find In This Post

NEET 2020 Question Papers F2 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 F2 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.

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

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.

2 / 177

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

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

Reorganisation of all cell components takes place.

Nuclear Division takes place.

DNA synthesis or replication takes place.

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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 :

4 / 177

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

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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 :

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

Insects and water

Water currents only

Insects or wind

Wind and water

7 / 177

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

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

Sec. butyl alcohol

Isopropyl alcohol

Tert. butyl alcohol

Isobutyl alcohol

9 / 177

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Match the following columns and select the
correct option.

10 / 177

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Select the correct match

Haemophilia – Y linked

Phenylketonuria – Autosomal dominant trait

Thalassemia – X linked

Sickle cell anaemia – Autosomal recessive trait, chromosome-11

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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.

only (d)

(a) and (c)

(b), (c) and (d)

only (a)

13 / 177

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. 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 :

double

half

one-fourth

four times

14 / 177

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

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Identify the incorrect statement.

16 / 177

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Flippers of Penguins and Dolphins are
examples of

Adaptive radiation

Convergent evolution

Industrial melanism

Natural selection

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The ovary is half inferior in :

Brinjal

Plum

Mustard

Sunflower

18 / 177

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

Nitrate alone

Ammonia and hydrogen

Ammonia and oxygen

Ammonia alone

19 / 177

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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?

48 N

24 N

32 N

30 N

20 / 177

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Identify the correct statement from the
following :

Blister copper has blistered appearance due to evolution of CO2.

Wrought iron is impure iron with 4% carbon.

Pig iron can be moulded into a variety of shapes.

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

21 / 177

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

Out crossing

Inbreeding

Cross breeding

Mutational breeding

22 / 177

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The energy required to break one bond in DNA
is 10²⁰ J. This value in eV is nearly:

0.6

0.006

0.06

23 / 177

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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 :

24 / 177

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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

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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/10

g/5

g/2

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Strobili or cones are found in

Pteris

Equisetum

Marchantia

Salvinia

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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 :

5 N/C

zero

0.5 N/C

1 N/C

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–1.0

1.0

0.5

zero

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Dimensions of stress are :

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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 :

34 / 177

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Which of the following statements about
inclusion bodies is incorrect?

They lie free in the cytoplasm

They are not bound by any membrane

These represent reserve material in cytoplasm

These are involved in ingestion of food particles

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500 s

100 s

200 s

1000 s

36 / 177

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Which of the following statements is
correct?

Adenine does not pair with thymine

Adenine pairs with thymine through three H-bonds

Adenine pairs with thymine through two Hbonds

Adenine pairs with thymine through one Hbond

37 / 177

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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), (b) and (d)

only (d)

(a) and (b)

38 / 177

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

Deuteron atom

Hydrogen atom

Singly ionised neon atom (Ne+ )

Singly ionised helium atom (He+ )

39 / 177

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Sucrose on hydrolysis gives

α-D-Fructose +β-D-Fructose

α-D-Glucose +β-D-Fructose

β-D-Glucose +α-D-Fructose

α-D-Glucose +β-D-Glucose

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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), (b), (d)

(a), (c), (d)

(a), (b), (c)

(b), (c), (d)

43 / 177

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The roots that originate from the base of the
stem are

Primary roots

Lateral roots

Prop roots

Fibrous roots

44 / 177

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45 / 177

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Ray florets have

Hypogynous ovary

Superior ovary

Half inferior ovary

Inferior ovary

46 / 177

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

Himalayas

Amazon forests

Madagascar

Western Ghats of India

47 / 177

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

48 / 177

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

Species interaction

Mortality

Natality

Sex ratio

49 / 177

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The specific palindromic sequence which is
recognized by EcoRI is

50 / 177

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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?

doubled

four times

one-fourth

zero

51 / 177

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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), (b) and (c)

(a) and (d)

(a) only

52 / 177

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Which of the following statements is
not correct?

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

Genetically engineered insulin is produced in E.Coli.

In man insulin is synthesised as a proinsulin

The proinsulin has an extra peptide called C-peptide.

53 / 177

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

Gibberellin

Cytokinin

Ethylene

Abscisic acid

54 / 177

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

55 / 177

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

Uremia and Ketonuria

Uremia and Renal Calculi

Ketonuria and Glycosuria

Renal calculi and Hyperglycaemia

56 / 177

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Match the following columns and select the
correct option.

57 / 177

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Cuboidal epithelium with brush border of
microvilli is found in

Ducts of salivary gland

Lining of intestine

Proximal convoluted tubule of nephron

Eustachian tube

58 / 177

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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

20.0 g

5.0 g

2.5 g

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60 / 177

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

Phenolic acid

Para-ascorbic acid

Abscisic acid

Gibberellic acid

61 / 177

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

semiconductors only

metals

insulators and semiconductors

insulators only

62 / 177

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Match the following columns and select the
correct option.

63 / 177

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

increase in forward current

both forward bias and reverse bias

forward bias only

reverse bias only

64 / 177

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Which of the following would help in
prevention of diuresis?

Decrease in secretion of renin by JG cells

More water reabsorption due to undersecretion of ADH

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

Atrial natriuretic factor causes vasoconstriction

65 / 177

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Meiotic division of the secondary oocyte is
completed

After zygote formation

Prior to ovulation

At the time of copulation

At the time of fusion of a sperm with an ovum

66 / 177

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

Floating debris

Activated sludge

Effluents of primary treatment

Primary sludge

67 / 177

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

DNA helicase

DNA ligase

DNA polymerase

RNA polymerase

68 / 177

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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 / 177

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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

524 Hz

523 Hz

536 Hz

70 / 177

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The body of the ovule is fused within the
funicle at

Nucellus

Chalaza

Hilum

Micropyle

71 / 177

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

Plasmolysis

Root pressure

Imbibition

Transpiration

72 / 177

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Partial pressure of CO2 can interfere with
O2 binding with haemoglobin

Ethidium bromide in infrared radiation

Acetocarmine in bright blue light

Ethidium bromide in UV radiation

Acetocarmine in UV radiation

73 / 177

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

One

Zero

Three

Two

74 / 177

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Identify the correct statement with reference
to human digestive system.

IIeum opens into small intestine

IIeum is a highly coiled part

Vermiform appendix arises from duodenum

Serosa is the innermost layer of the alimentary canal

75 / 177

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Which one of the followings has maximum
number of atoms ?

76 / 177

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Embryological support for evolution was
disapproved by

Karl Ernst von Baer

Charles Darwin

Alfred Wallace

Oparin

77 / 177

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Which of the following is correct about
viroids?

They have free DNA without protein coat

They have RNA with protein coat

They have DNA with protein coat

They have free RNA without protein coat

78 / 177

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

79 / 177

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Which of the following pairs is of unicellular
algae?

Laminaria and Sargassum

Anabaena and Volvox

Gelidium and Gracilaria

Chlorella and Spirulina

80 / 177

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Montreal protocol was signed in 1987 for
control of

Release of Green House gases

Transport of Genetically modified organisms from one country to another

Emission of ozone depleting substances

Disposal of e-wastes

81 / 177

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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

Monocotyledonous stem

Dicotyledonous root

82 / 177

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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

0.60 K

0.20 K

83 / 177

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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%

84 / 177

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The energy equivalent of 0.5 g of a substance
is :

85 / 177

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Identify the wrong statement with reference
to immunity.

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

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

Active immunity is quick and gives full response.

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

86 / 177

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The first phase of translation is

Recognition of DNA molecule

Recognition of an anti-codon

Binding of mRNA to ribosome

Aminoacylation of tRNA

87 / 177

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

Glycerol, trypsin

Chitin, cholesterol

Cellulose, lecithin

Inulin, insulin

88 / 177

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89 / 177

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Anisole on cleavage with HI gives

90 / 177

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According to Robert May, the global species
diversity is about

50 million

7 million

1.5 million

20 million

91 / 177

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50 V

200 V

400 V

zero

92 / 177

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

Stability of the colloidal particles

Size of the colloidal particles

Solubility

Viscosity

93 / 177

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Bilaterally symmetrical and acoelomate
animals are exemplified by

Aschelminthes

Ctenophora

Annelida

Platyhelminthes

94 / 177

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

A person will have only two of the three alleles.

Allele ‘i’ does not produce any sugar

The gene (I) has three alleles.

When IA and IB are present together, they express same type of sugar

95 / 177

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Match the following diseases with the
causative organism and select the correct
option.

96 / 177

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Hydrolysis of sucrose is given by the following
reaction.

97 / 177

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Which of the following is a natural polymer?

polybutadiene

poly (Butadiene-acrylonitrile)

cis-1, 4-polyisoprene

poly (Butadiene-styrene)

98 / 177

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

collision frequency

heat of reaction

threshold energy

activation energy

99 / 177

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The enzyme enterokinase helps in conversion
of

pepsinogen into pepsin

protein into polypeptides

caseinogen into casein

trypsinogen into trypsin

100 / 177

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

101 / 177

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102 / 177

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Which of the following is not correct about
carbon monoxide ?

It reduces oxygen carrying ability of blood.

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

It forms carboxyhaemoglobin

It is produced due to incomplete combustion.

103 / 177

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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

104 / 177

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

Ethanol + Acetone

Chloroethane + Bromoethane

Acetone + Chloroform

Benzene + Toluene

105 / 177

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106 / 177

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Match the following and identify the correct
option.

107 / 177

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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)

c : 1

1 : c

1 : 1

1 : c²

108 / 177

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Match the following columns and select the
correct option.

109 / 177

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The infectious stage of Plasmodium that
enters the human body is

Female gametocytes

Trophozoites

Male gametocytes

Sporozoites

110 / 177

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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 :

50 cm

33 cm

80 cm

67 cm

111 / 177

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Select the correct statement.

Glucocorticoids stimulate gluconeogenesis.

Insulin acts on pancreatic cells and adipocytes.

Glucagon is associated with hypoglycemia.

Insulin is associated with hyperglycemia.

112 / 177

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Identify the basic amino acid from the
following.

Lysine

Glutamic Acid

Tyrosine

Valine

113 / 177

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The process of growth is maximum during

Senescence

Log phase

Dormancy

Lag phase

114 / 177

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

– 4 to + 4

0 to + 4

0 to – 4

+ 4 to + 4

115 / 177

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Experimental verification of the chromosomal
theory of inheritance was done by

Mendel

Sutton

Morgan

Boveri

116 / 177

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

9.9 m

9.9801 m

9.98 m

9.980 m

117 / 177

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The QRS complex in a standard ECG
represents

Depolarisation of auricles

Depolarisation of ventricles

Repolarisation of ventricles

Repolarisation of auricles

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119 / 177

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

Fungal diseases

Insect pests

Plant nematodes

Insect predators

120 / 177

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Which of the following is a cationic
detergent?

Sodium dodecylbenzene sulphonate

Sodium stearate

Sodium lauryl sulphate

Cetyltrimethyl ammonium bromide

121 / 177

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Match the following columns and select the
correct option.

122 / 177

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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 and w > 0

q < 0, ΔT = 0 and w = 0

q > 0, ΔT > 0 and w > 0

123 / 177

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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

isochoric

isothermal

isobaric

124 / 177

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

125 / 177

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Identify compound X in the following sequence
of reactions

126 / 177

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

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

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

The base region must be very thin and lightly doped.

Base, emitter and collector regions should have same size.

127 / 177

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

Cross Aldol condensation

Cross Cannizzaro’s reaction

Cannizzaro’s reaction

Aldol condensation

128 / 177

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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

2.5 A

1.7 A

25.1 A

129 / 177

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Which of the following is a basic amino
acid ?

Alanine

Lysine

Tyrosine

Serine

130 / 177

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

Gross primary productivity is always more than net primary productivity

Gross primary productivity and Net primary productivity are one and same

Gross primary productivity is always less than net primary productivity

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

131 / 177

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

Selectable marker

Ori site

Palindromic sequence

Recognition site

132 / 177

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12 bar

18 bar

15 bar

9 bar

133 / 177

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

High concentration of Progesterone

Low concentration of FSH

Low concentration of LH

High concentration of Estrogen

134 / 177

Category: NEET & JEE

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

GIFT and ZIFT

ICSI and ZIFT

GIFT and ICSI

ZIFT and IUT

135 / 177

Category: NEET & JEE

175, 104 and 71

71, 71 and 104

71, 104 and 71

104, 71 and 71

136 / 177

Category: NEET & JEE

Paper chromatography is an example of

Thin layer chromatography

Adsorption chromatography

Column chromatography

Partition chromatography

137 / 177

Category: NEET & JEE

In light reaction, plastoquinone facilitates the
transfer of electrons from

138 / 177

Category: NEET & JEE

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

1 molecule of 6-C compound

1 molecule of 3-C compound

2 molecules of 3-C compound

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

139 / 177

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)

300 m

360 m

320 m

340 m

140 / 177

Category: NEET & JEE

Match the following

141 / 177

Category: NEET & JEE

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

Golgi bodies

Endoplasmic reticulum

Polysomes

Peroxisomes

142 / 177

Category: NEET & JEE

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

143 / 177

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

Potassium

Calcium

Copper

144 / 177

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)

0.2 kg/m³

0.02 kg/m³

0.5 kg/m³

0.1 kg/m³

145 / 177

Category: NEET & JEE

Dissolution of the synaptonemal complex
occurs during

Leptotene

Diplotene

Pachytene

Zygotene

146 / 177

Category: NEET & JEE

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

147 / 177

Category: NEET & JEE

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

Insulin

Collagen

Lectin

Haemoglobin

148 / 177

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.

(a) and (b)

(b) and (c)

(d) and (c)

149 / 177

Category: NEET & JEE

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

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

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

150 / 177

Category: NEET & JEE

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

n-Heptane

n-Hexane

n-Butane

2,3-Dimethylbutane

151 / 177

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 :

12 × 10³ J

10 × 10³ J

48 × 10³ J

24 × 10³ J

152 / 177

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?

153 / 177

Category: NEET & JEE

154 / 177

Category: NEET & JEE

Select the option including all sexually
transmitted diseases.

Gonorrhoea, Malaria, Genital herpes

Cancer, AIDS, Syphilis

Gonorrhoea, Syphilis, Genital herpes

AIDS, Malaria, Filaria

155 / 177

Category: NEET & JEE

Identify the wrong statement with regard to
Restriction Enzymes.

They are useful in genetic engineering.

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

They cut the strand of DNA at palindromic sites.

Sticky ends can be joined by using DNA ligases.

156 / 177

Category: NEET & JEE

Identify the wrong statement with reference
to transport of oxygen

Partial pressure of CO2 can interfere with O2 binding with haemoglobin

Binding of oxygen with haemoglobin is mainly related to partial pressure of O2

Higher H+ conc. in alveoli favours the formation of oxyhaemoglobin

Low pCO2 in alveoli favours the formation of oxyhaemoglobin

157 / 177

Category: NEET & JEE

Identify the correct statements from the
following :

158 / 177

Category: NEET & JEE

Match the following columns and select the
correct option.

159 / 177

Category: NEET & JEE

The calculated spin only magnetic moment of
Cr²+ ion is

2.84 BM

5.92 BM

4.90 BM

3.87 BM

160 / 177

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

2.5 meters

2.0 meters

2.2 meters

2.7 meters

161 / 177

Category: NEET & JEE

A resistance wire connected in the left gap of
a metre bridge balances a 10  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 × 10–¹ m

1.5 × 10–¹ m

1.0 × 10–² m

1.5 × 10–² m

162 / 177

Category: NEET & JEE

Choose the correct pair from the following

Polymerases - Break the DNA into fragments

Nucleases - Separate the two strands of DNA

Ligases - Join the two DNA molecules

Exonucleases - Make cuts at specific positions within DNA

163 / 177

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 :

0.25 mm

0.01 mm

1.0 mm

0.5 mm

164 / 177

Category: NEET & JEE

Which of the following amine will give the
carbylamine test?

165 / 177

Category: NEET & JEE

For the logic circuit shown, the truth table is:

166 / 177

Category: NEET & JEE

167 / 177

Category: NEET & JEE

Identify the incorrect match.

(c), (iii)

(b), (ii)

(d), (iv)

(a), (i)

168 / 177

Category: NEET & JEE

Floridean starch has structure similar to

Mannitol and algin

Laminarin and cellulose

Starch and cellulose

Amylopectin and glycogen

169 / 177

Category: NEET & JEE

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

170 / 177

Category: NEET & JEE

Goblet cells of alimentary canal are modified
from

Compound epithelial cells

Squamous epithelial cells

Columnar epithelial cells

Chondrocytes

171 / 177

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 × 10–² nm, the potential difference is :

172 / 177

Category: NEET & JEE

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

Defence action

Growth response

Effect on reproduction

Nutritive value

173 / 177

Category: NEET & JEE

Identify a molecule which does not exist

174 / 177

Category: NEET & JEE

Snow-blindness in Antarctic region is due to

Damage to retina caused by infra-red

Freezing of fluids in the eye by low temperature

High reflection of light from snow

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

175 / 177

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 :

176 / 177

Category: NEET & JEE

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

177 / 177

Category: Current Affairs

Identify the incorrect statement.

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

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

Sapwood is the innermost secondary xylem and is lighter in colour

Heart wood does not conduct water but gives mechanical support

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NEET 2020 Question Papers F2 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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