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

The calculated spin only magnetic moment of
Cr²+ ion is

5.92 BM

4.90 BM

2.84 BM

3.87 BM

2 / 177

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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.

Copper

Potassium

Iron

Calcium

3 / 177

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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 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)

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

6 / 177

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

Defence action

Nutritive value

Growth response

Effect on reproduction

7 / 177

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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.

(a) and (c)

only (a)

only (d)

(b), (c) and (d)

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Montreal protocol was signed in 1987 for
control of

Emission of ozone depleting substances

Transport of Genetically modified organisms from one country to another

Release of Green House gases

Disposal of e-wastes

9 / 177

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Identify the correct statements from the
following :

10 / 177

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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.

(b) and (c)

(d) and (c)

(a) and (b)

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

High concentration of Estrogen

Low concentration of LH

Low concentration of FSH

High concentration of Progesterone

12 / 177

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

Gibberellic acid

Abscisic acid

Para-ascorbic acid

Phenolic acid

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

Inbreeding

Out crossing

Mutational breeding

Cross breeding

16 / 177

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

17 / 177

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Identify the basic amino acid from the
following.

Tyrosine

Lysine

Valine

Glutamic Acid

18 / 177

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Identify the correct statement from the
following :

Blister copper has blistered appearance due to evolution of CO2.

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

Pig iron can be moulded into a variety of shapes.

Wrought iron is impure iron with 4% carbon.

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Paper chromatography is an example of

Column chromatography

Adsorption chromatography

Thin layer chromatography

Partition chromatography

21 / 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 : c²

1 : 1

22 / 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?

24 N

30 N

32 N

48 N

23 / 177

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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 :

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Embryological support for evolution was
disapproved by

Charles Darwin

Karl Ernst von Baer

Oparin

Alfred Wallace

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Select the correct match

Haemophilia – Y linked

Thalassemia – X linked

Sickle cell anaemia – Autosomal recessive trait, chromosome-11

Phenylketonuria – Autosomal dominant trait

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29 / 177

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

Amazon forests

Himalayas

Madagascar

Western Ghats of India

30 / 177

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

ICSI and ZIFT

GIFT and ICSI

GIFT and ZIFT

ZIFT and IUT

31 / 177

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104, 71 and 71

71, 104 and 71

175, 104 and 71

71, 71 and 104

32 / 177

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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

33 / 177

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

Reorganisation of all cell components takes place.

DNA synthesis or replication takes place.

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

Nuclear Division takes place.

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The specific palindromic sequence which is
recognized by EcoRI is

35 / 177

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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)

0.02 kg/m³

0.1 kg/m³

0.2 kg/m³

0.5 kg/m³

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In light reaction, plastoquinone facilitates the
transfer of electrons from

37 / 177

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For the logic circuit shown, the truth table is:

38 / 177

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

Insulin

Lectin

Collagen

Haemoglobin

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

n-Hexane

2,3-Dimethylbutane

n-Heptane

n-Butane

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Floridean starch has structure similar to

Laminarin and cellulose

Starch and cellulose

Amylopectin and glycogen

Mannitol and algin

42 / 177

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The energy equivalent of 0.5 g of a substance
is :

43 / 177

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The infectious stage of Plasmodium that
enters the human body is

Male gametocytes

Sporozoites

Female gametocytes

Trophozoites

44 / 177

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

45 / 177

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Match the following and identify the correct
option.

46 / 177

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

DNA polymerase

DNA helicase

DNA ligase

RNA polymerase

47 / 177

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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

48 / 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)

49 / 177

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Flippers of Penguins and Dolphins are
examples of

Adaptive radiation

Natural selection

Industrial melanism

Convergent evolution

50 / 177

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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), (c), (d)

(a), (b), (c)

(a), (b), (d)

(b), (c), (d)

51 / 177

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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 Hbonds

Adenine pairs with thymine through one Hbond

52 / 177

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

Golgi bodies

Polysomes

Peroxisomes

Endoplasmic reticulum

53 / 177

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The body of the ovule is fused within the
funicle at

Nucellus

Chalaza

Micropyle

Hilum

54 / 177

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

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.

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.

55 / 177

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Choose the correct pair from the following

Nucleases - Separate the two strands of DNA

Exonucleases - Make cuts at specific positions within DNA

Polymerases - Break the DNA into fragments

Ligases - Join the two DNA molecules

56 / 177

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

reverse bias only

both forward bias and reverse bias

forward bias only

increase in forward current

57 / 177

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Match the following columns and select the
correct option.

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1.0

–1.0

0.5

zero

61 / 177

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

Isobutyl alcohol

Isopropyl alcohol

Tert. butyl alcohol

Sec. butyl alcohol

62 / 177

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Cuboidal epithelium with brush border of
microvilli is found in

Proximal convoluted tubule of nephron

Lining of intestine

Ducts of salivary gland

Eustachian tube

63 / 177

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The roots that originate from the base of the
stem are

Prop roots

Fibrous roots

Primary roots

Lateral roots

64 / 177

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The ovary is half inferior in :

Plum

Mustard

Brinjal

Sunflower

65 / 177

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66 / 177

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Identify the wrong statement with reference
to transport of oxygen

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

Low pCO2 in alveoli favours the formation of oxyhaemoglobin

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

Partial pressure of CO2 can interfere with O2 binding with haemoglobin

67 / 177

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Match the following columns and select the
correct option.

68 / 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 :

69 / 177

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

70 / 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

Renal calculi and Hyperglycaemia

Ketonuria and Glycosuria

71 / 177

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Which of the following amine will give the
carbylamine test?

72 / 177

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Ray florets have

Half inferior ovary

Hypogynous ovary

Superior ovary

Inferior ovary

73 / 177

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Identify the incorrect match.

(b), (ii)

(c), (iii)

(d), (iv)

(a), (i)

74 / 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 :

four times

half

one-fourth

double

75 / 177

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Identify compound X in the following sequence
of reactions

76 / 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

77 / 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

78 / 177

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Identify the incorrect statement.

79 / 177

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

Floating debris

Primary sludge

Effluents of primary treatment

Activated sludge

80 / 177

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Dissolution of the synaptonemal complex
occurs during

Diplotene

Zygotene

Pachytene

Leptotene

81 / 177

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

The gene (I) has three alleles.

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

A person will have only two of the three alleles.

Allele ‘i’ does not produce any sugar

82 / 177

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

83 / 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

Plant nematodes

Insect pests

Insect predators

84 / 177

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500 s

100 s

200 s

1000 s

85 / 177

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The process of growth is maximum during

Dormancy

Log phase

Senescence

Lag phase

86 / 177

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Match the following columns and select the
correct option.

87 / 177

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

Species interaction

Mortality

Sex ratio

Natality

88 / 177

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Identify the wrong statement with regard to
Restriction Enzymes.

Sticky ends can be joined by using DNA ligases.

They cut the strand of DNA at palindromic sites.

They are useful in genetic engineering.

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

89 / 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 :

33 cm

80 cm

67 cm

50 cm

90 / 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 :

Dicotyledonous root

Monocotyledonous root

Dicotyledonous stem

Monocotyledonous stem

91 / 177

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

92 / 177

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/10

g/2

g/5

93 / 177

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The enzyme enterokinase helps in conversion
of

pepsinogen into pepsin

caseinogen into casein

protein into polypeptides

trypsinogen into trypsin

94 / 177

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Which one of the followings has maximum
number of atoms ?

95 / 177

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According to Robert May, the global species
diversity is about

50 million

7 million

20 million

1.5 million

96 / 177

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

Inulin, insulin

Cellulose, lecithin

Glycerol, trypsin

Chitin, cholesterol

97 / 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

Root pressure

Transpiration

Plasmolysis

Imbibition

98 / 177

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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

1 N/C

0.5 N/C

zero

99 / 177

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

Ammonia and oxygen

Ammonia and hydrogen

Ammonia alone

Nitrate alone

100 / 177

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

Ori site

Palindromic sequence

Selectable marker

Recognition site

101 / 177

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Strobili or cones are found in

Pteris

Marchantia

Equisetum

Salvinia

102 / 177

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Select the correct statement.

Glucagon is associated with hypoglycemia.

Insulin is associated with hyperglycemia.

Insulin acts on pancreatic cells and adipocytes.

Glucocorticoids stimulate gluconeogenesis.

103 / 177

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104 / 177

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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 :

105 / 177

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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 :

0.5 mm

1.0 mm

0.01 mm

0.25 mm

106 / 177

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

107 / 177

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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 :

108 / 177

Category: NEET & JEE

Identify the wrong statement with reference
to immunity.

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

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

109 / 177

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

110 / 177

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18 bar

15 bar

9 bar

12 bar

111 / 177

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Select the option including all sexually
transmitted diseases.

Gonorrhoea, Malaria, Genital herpes

Cancer, AIDS, Syphilis

Gonorrhoea, Syphilis, Genital herpes

AIDS, Malaria, Filaria

112 / 177

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

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

Base, emitter and collector regions should have same size.

The base region must be very thin and lightly doped.

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

113 / 177

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

Solubility

Stability of the colloidal particles

Viscosity

Size of the colloidal particles

114 / 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 :

5.0 g

10.0 g

2.5 g

20.0 g

115 / 177

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Experimental verification of the chromosomal
theory of inheritance was done by

Boveri

Morgan

Mendel

Sutton

116 / 177

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Goblet cells of alimentary canal are modified
from

Squamous epithelial cells

Columnar epithelial cells

Chondrocytes

Compound epithelial cells

117 / 177

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Sucrose on hydrolysis gives

α-D-Glucose +β-D-Glucose

β-D-Glucose +α-D-Fructose

α-D-Fructose +β-D-Fructose

α-D-Glucose +β-D-Fructose

118 / 177

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Snow-blindness in Antarctic region is due to

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

High reflection of light from snow

119 / 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.

Ethylene

Gibberellin

Abscisic acid

Cytokinin

120 / 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

isothermal

isobaric

isochoric

121 / 177

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Which of the following is a cationic
detergent?

Sodium dodecylbenzene sulphonate

Cetyltrimethyl ammonium bromide

Sodium lauryl sulphate

Sodium stearate

122 / 177

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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 × 10–² m

1.5 × 10–¹ m

1.0 × 10–² m

123 / 177

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Hydrolysis of sucrose is given by the following
reaction.

124 / 177

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

heat of reaction

collision frequency

threshold energy

activation energy

125 / 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

forward bias only

reverse bias only

increase in forward current

126 / 177

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

Deuteron atom

Singly ionised neon atom (Ne+ )

Singly ionised helium atom (He+ )

Hydrogen atom

127 / 177

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

128 / 177

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 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

129 / 177

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The first phase of translation is

Aminoacylation of tRNA

Binding of mRNA to ribosome

Recognition of an anti-codon

Recognition of DNA molecule

130 / 177

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Which of the following pairs is of unicellular
algae?

Gelidium and Gracilaria

Anabaena and Volvox

Laminaria and Sargassum

Chlorella and Spirulina

131 / 177

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

One

Zero

Two

Three

132 / 177

Category: NEET & JEE

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

0.06

0.6

0.006

133 / 177

Category: NEET & JEE

134 / 177

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 :

25.1 A

2.5 A

2.05 A

1.7 A

135 / 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 :

10 × 10³ J

24 × 10³ J

12 × 10³ J

48 × 10³ J

136 / 177

Category: NEET & JEE

Match the following

137 / 177

Category: NEET & JEE

Which of the following is a basic amino
acid ?

Serine

Alanine

Tyrosine

Lysine

138 / 177

Category: NEET & JEE

Which of the following statements is
not correct?

In man insulin is synthesised as a proinsulin

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

Genetically engineered insulin is produced in E.Coli.

The proinsulin has an extra peptide called C-peptide.

139 / 177

Category: NEET & JEE

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

140 / 177

Category: NEET & JEE

Bilaterally symmetrical and acoelomate
animals are exemplified by

Ctenophora

Aschelminthes

Platyhelminthes

Annelida

141 / 177

Category: NEET & JEE

142 / 177

Category: NEET & JEE

400 V

200 V

50 V

zero

143 / 177

Category: NEET & JEE

Match the following columns and select the
correct option.

144 / 177

Category: NEET & JEE

Match the following columns and select the
correct option.

145 / 177

Category: NEET & JEE

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

Acetone + Chloroform

Benzene + Toluene

Ethanol + Acetone

Chloroethane + Bromoethane

146 / 177

Category: NEET & JEE

Meiotic division of the secondary oocyte is
completed

At the time of copulation

After zygote formation

At the time of fusion of a sperm with an ovum

Prior to ovulation

147 / 177

Category: NEET & JEE

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

Insects or wind

Wind and water

Insects and water

Water currents only

148 / 177

Category: NEET & JEE

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

149 / 177

Category: NEET & JEE

Anisole on cleavage with HI gives

150 / 177

Category: NEET & JEE

151 / 177

Category: NEET & JEE

Match the following columns and select the
correct option.

152 / 177

Category: NEET & JEE

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

153 / 177

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:

524 Hz

523 Hz

537 Hz

536 Hz

154 / 177

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 and w > 0

q = 0, ΔT = 0 and w = 0

q > 0, ΔT > 0 and w > 0

155 / 177

Category: NEET & JEE

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

Cross Aldol condensation

Cross Cannizzaro’s reaction

Aldol condensation

Cannizzaro’s reaction

156 / 177

Category: NEET & JEE

Identify the correct statement with reference
to human digestive system.

IIeum is a highly coiled part

Serosa is the innermost layer of the alimentary canal

Vermiform appendix arises from duodenum

IIeum opens into small intestine

157 / 177

Category: NEET & JEE

Which of the following is not correct about
carbon monoxide ?

It reduces oxygen carrying ability of blood.

It forms carboxyhaemoglobin

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

It is produced due to incomplete combustion.

158 / 177

Category: NEET & JEE

The color code of a resistance is given below

The values of resistance and tolerance,
respectively, are

4.7 kΩ, 5%

470 kΩ, 5%

470 Ω, 5%

47 kΩ, 10%

159 / 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)

320 m

360 m

340 m

300 m

160 / 177

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) :

0.60 K

0.80 K

0.20 K

0.40 K

161 / 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

2.0 meters

2.2 meters

2.7 meters

2.5 meters

162 / 177

Category: NEET & JEE

Identify a molecule which does not exist

163 / 177

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?

one-fourth

zero

four times

doubled

164 / 177

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

165 / 177

Category: NEET & JEE

Which of the following is a natural polymer?

poly (Butadiene-acrylonitrile)

polybutadiene

poly (Butadiene-styrene)

cis-1, 4-polyisoprene

166 / 177

Category: NEET & JEE

Partial pressure of CO2 can interfere with
O2 binding with haemoglobin

Acetocarmine in UV radiation

Acetocarmine in bright blue light

Ethidium bromide in infrared radiation

Ethidium bromide in UV radiation

167 / 177

Category: NEET & JEE

Which of the following would help in
prevention of diuresis?

More water reabsorption due to undersecretion of ADH

Decrease in secretion of renin by JG cells

Atrial natriuretic factor causes vasoconstriction

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

168 / 177

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

169 / 177

Category: NEET & JEE

170 / 177

Category: NEET & JEE

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

insulators and semiconductors

semiconductors only

metals

insulators only

171 / 177

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 :

172 / 177

Category: NEET & JEE

Dimensions of stress are :

173 / 177

Category: NEET & JEE

The QRS complex in a standard ECG
represents

Repolarisation of auricles

Depolarisation of ventricles

Repolarisation of ventricles

Depolarisation of auricles

174 / 177

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 ?

175 / 177

Category: NEET & JEE

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

9.9 m

9.98 m

9.980 m

9.9801 m

176 / 177

Category: NEET & JEE

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

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

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

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

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

177 / 177

Category: Current Affairs

Identify the incorrect statement.

Sapwood is the innermost secondary xylem and is lighter in colour

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

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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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