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NEET Mock Test - 3 - NEET MCQ


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30 Questions MCQ Test NEET Mock Test Series - Updated 2026 Pattern - NEET Mock Test - 3

NEET Mock Test - 3 for NEET 2026 is part of NEET Mock Test Series - Updated 2026 Pattern preparation. The NEET Mock Test - 3 questions and answers have been prepared according to the NEET exam syllabus.The NEET Mock Test - 3 MCQs are made for NEET 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for NEET Mock Test - 3 below.
Solutions of NEET Mock Test - 3 questions in English are available as part of our NEET Mock Test Series - Updated 2026 Pattern for NEET & NEET Mock Test - 3 solutions in Hindi for NEET Mock Test Series - Updated 2026 Pattern course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt NEET Mock Test - 3 | 180 questions in 180 minutes | Mock test for NEET preparation | Free important questions MCQ to study NEET Mock Test Series - Updated 2026 Pattern for NEET Exam | Download free PDF with solutions
NEET Mock Test - 3 - Question 1
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An impulse J is applied on a ring of mass m along a line passing through its centre O. The ring is placed on a rough horizontal surface. The linear velocity of centre of ring once it starts rolling without slipping is

Detailed Solution for NEET Mock Test - 3 - Question 1
Let v be the velocity of COM of ring just

after the impulse is applied and v' its velocity when pure rolling starts. Angular velocity ω of the ring at this instant will be

ω = v’/r

From impulse = change in linear momentum

We have,

J = mv

v = J/m ...(1)

Between the two positions shown in the figure force of friction on the ring acts backwards. Angular momentum of the ring about the bottom most point will remain conserved.

∴ Li = Lf

mvr = mv' r + lω

NEET Mock Test - 3 - Question 2
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The rms value of the electric field of the light coming from the Sun is 720 N C−1. The average total energy density of the electromagnetic wave is

Detailed Solution for NEET Mock Test - 3 - Question 2

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NEET Mock Test - 3 - Question 3
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A metallic square loop ABCD is moving in its own plane with velocity V in a uniform magnetic field perpendicular to its plane as shown in the figure. EMF is induced

Detailed Solution for NEET Mock Test - 3 - Question 3
Wire AB and DC are parallel to velocity. So, no emf will generate. while wire AD and BC are perpendicular to velocity and magnetic field so emf will be induced.
NEET Mock Test - 3 - Question 4
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What is the relation between the refractive indices μ1 and μ2? If the behaviour of light rays is as shown in the figure.
Detailed Solution for NEET Mock Test - 3 - Question 4
From first figure it is clear that

μ = μ2

From second figure it is clear that

μ <>2

Therefore, μ1 <>2

NEET Mock Test - 3 - Question 5
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In the circuit shown, R1 = 10 Ω; R2 = 20 Ω; R3 = 30 Ω and R4 = 20 Ω. Potential difference between b and d (Vb - Vd) is
Detailed Solution for NEET Mock Test - 3 - Question 5

NEET Mock Test - 3 - Question 6
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In the circuit shown below, if the tap key K is pressed at time t = 0, then which of the following statements is false?
Detailed Solution for NEET Mock Test - 3 - Question 6
At time t = 0; capacitor offer zero opposition.

At time t = ∞, capacitor offers infinite opposition.

P.D. across 1000 Ω resistor = 2 x 10-3 x 1000 = 2 V

∴ Charge on 6 μF capacitor = 6 x 2 = 12 μC

NEET Mock Test - 3 - Question 7
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Eight identical spherical liquid drops each charged to potential of 2 volt. They coalesce to make one big spherical liquid drop, whose potential is
Detailed Solution for NEET Mock Test - 3 - Question 7
V' = n2l3V = 82/3 x 2 volt

= 4 x 2 volt

= 8 volt

NEET Mock Test - 3 - Question 8
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The temperature of a fixed mass of a gas increases from 10 K to 50 K. How will the volume be affected?

 
Detailed Solution for NEET Mock Test - 3 - Question 8

According to Charles's law, volume varies directly as temperature at a constant pressure.

Thus, if temperature increases five times from 10 K to 50 K, then volume will also increase by five times the original value.

NEET Mock Test - 3 - Question 9
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At what pH will a solution be acidic at 100°C? (Kw at 100°C = 5.6 x 10-13)
Detailed Solution for NEET Mock Test - 3 - Question 9
Kw = [H3O+] [-OH]

In water, [H3O+] = [-OH]

So, Kw = [H3O+]2

log Kw = 2 log [H3O+]

pH = - log [H3O+] = - log Kw = - log {5.6 x 10-13}

= 6.1259 (for neutral solution)

Below this pH, the solution is acidic in nature.

NEET Mock Test - 3 - Question 10
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The number of geometrical isomers of [Cr(NH3)(OH)2Cl3]2– ion is
Detailed Solution for NEET Mock Test - 3 - Question 10
There are three geometrical isomers

NEET Mock Test - 3 - Question 11
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What is the ratio of round green and wrinked yellow seeds in F2 generation of Mendelian dihybrid cross?
Detailed Solution for NEET Mock Test - 3 - Question 11
Phenotype of dihybrid cross in F2 generation.

= Round yellow: Round green: Wrinkled yellow: Wrinkled green

= 9:3:3: 1

Hence, ratio of round green and wrinkled yellow

= 3 : 3

= 1 : 1

NEET Mock Test - 3 - Question 12
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Mark the wrong statement.
Detailed Solution for NEET Mock Test - 3 - Question 12
Protozoans cause malaria and amoebiasis, but filariasis is not a protozoan disease. Filariasis is caused by a nematode, Wuchereria (W. bancrofti and W. malayi). It has an incubation period of 5-18 months in human beings. This parasite causes chronic inflammation of the lymphatic vessels of the lower limbs, and thus the disease is also called Elephantiasis. Its mode of transmission is through the bite of female Culex mosquito.

Plasmodium causes malaria, and Entamoeba histolytica causes amoebiasis.

Mumps, Measles, and Rubella are all viral diseases and are caused by ssRNA containing viruses.

Cholera is caused by Vibrio cholerae. Diphtheria and Tetanus are caused by Corynebacterium diphtheriae and Clostridium tetani, respectively.

NEET Mock Test - 3 - Question 13
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Find the mismatched pair of organs and their location from the following.
Detailed Solution for NEET Mock Test - 3 - Question 13
In female cockroaches, two large ovaries lie laterally in the 2nd – 6th abdominal segments. Each ovary is formed of a group of eight ovarian tubules or ovarioles, containing a chain of developing ova. Oviducts of each ovary combine to form a single median oviduct (also called the vagina) which opens into the genital chamber. A pair of spermatheca is present in the 6th segment which opens into the genital chamber.
NEET Mock Test - 3 - Question 14
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Consider the following statements:

(i) Oxytocin is a milk let-down hormone.

(ii) Progesterone causes strong constriction of the endometrium during pregnancy.

(iii) Relaxin causes strong contractions in the uterine myometrium during parturition.

Find out the right statement.
Detailed Solution for NEET Mock Test - 3 - Question 14
Only statement A is correct.

Oxytocin activates the flow of milk from the breasts by stimulating the contraction of muscle cells located near the milk-containing glands within seconds after an infant begins to suckle.

Progesterone hormone secreted by the female reproductive system functions mainly to regulate the condition of the inner lining (endometrium) of the uterus.

In preparation for childbirth, relaxin relaxes the ligaments in the pelvis and softens and widens the cervix through collagen remodeling, allowing for smooth parturition.

NEET Mock Test - 3 - Question 15
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : All vertebrates are chordates but all chordates are not vertebrates.

Reason (R) : Notochord is replaced by vertebral column in the adult vertebrates.

In the light of the above statements, choose the most appropriate answer from the option given below :
Detailed Solution for NEET Mock Test - 3 - Question 15
. Option (2) is the correct answer because all chordates are divided into three subphyla – Urochordata, Cephalochordata and Vertebrata. In subphylum Vertebrata, notochord is replaced by bony or cartilaginous vertebral column in adults. Therefore, all vertebrates are chordates but all chordates are not vertebrates.
NEET Mock Test - 3 - Question 16
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Which one of the following is incorrect for conduction of an impulse through axon?
Detailed Solution for NEET Mock Test - 3 - Question 16
Depolarisation can’t occur simultaneously at point A and C.
NEET Mock Test - 3 - Question 17
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Nodes of Ranvier in myelinated neurons of PNS
Detailed Solution for NEET Mock Test - 3 - Question 17
At Nodes of Ranvier, the myelin sheath is absent, but neurilemma is present outside the axolemma
NEET Mock Test - 3 - Question 18
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ADH, responsible for reabsorption of water and reduction in urine volume is synthesised by
Detailed Solution for NEET Mock Test - 3 - Question 18
ADH is stored and released by neurohypophysis.
NEET Mock Test - 3 - Question 19
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The hormones that initiate ejection of milk, stimulates milk production and growth of ovarian follicle, are respectively
Detailed Solution for NEET Mock Test - 3 - Question 19
FSH and LH stimulates the growth of ovarian follicles.
NEET Mock Test - 3 - Question 20
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Which of the following sexually transmitted diseases is not completely curable?
Detailed Solution for NEET Mock Test - 3 - Question 20
Herpes simplex type 1 or 2 viruses causes genital herpes, an infection of the skin and mucous membranes in the genital and surrounding areas. Herpes simplex virus usually spreads, when in contact with blisters. However, people with genital herpes can shed the virus from the genital area and infect others even without a blister being present. Cold sores on the mouth are a potential source of genital infection during mouth-to-genital contact. Medications can help decrease the severity of the herpes lesions and prevent recurrences, but they do not cure the infection
NEET Mock Test - 3 - Question 21
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The pollination of two flowers on different plants is known as
Detailed Solution for NEET Mock Test - 3 - Question 21
Xenogamy is the cross-pollination between two flowers of different plants. Geitonogamy is the cross-pollination between two flowers of the same plant.

Cleistogamy is the phenomenon in which group of plants, set seeds without exposing their sex organs. It is the most efficient floral adaptation for promoting self-pollination and it may be inherent or ecological.

Dichogamy refers to the maturation of male and female sex organs at different times. It is a safeguard against self-pollination.

NEET Mock Test - 3 - Question 22
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'Antiparallel strands' of a DNA molecule means tha
Detailed Solution for NEET Mock Test - 3 - Question 22
J.D Watson and F. H. C Crick (1953) showed that DNA has a double helical structure with two polynucleotide chains connected by hydrogen bonds and running in opposite directions (anti-parallel). The 'anti-parallel strands' of a DNA molecule means that the phosphate groups at the start of two DNA strands are in opposite positions (pole).
NEET Mock Test - 3 - Question 23
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An obligate parasite is one which
Detailed Solution for NEET Mock Test - 3 - Question 23
An obligate parasite or holoparasite is a parasitic organism that cannot complete its life-cycle without exploiting a suitable host. If an obligate parasite cannot obtain a host it will fail to reproduce.
NEET Mock Test - 3 - Question 24
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Proportion of recombinant phenotypes in F2 offsprings of Mendelian dihybrid cross is
Detailed Solution for NEET Mock Test - 3 - Question 24
Mendelian dihybrid phenotypic cross ratio is 9 : 3 : 3 : 1, out of which is parental (10/16) and is recombinant proportion (6/16).
NEET Mock Test - 3 - Question 25
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Consider the given figure w.r.t. asexual reproductive structures and select correct set of statements.

a. Microscopic motile spores.

b. Always formed in unfavourable conditions.

c. Development of exogenous asexual spores.

d. Zoospores in Chlamydomonas are pyramid shaped.
Detailed Solution for NEET Mock Test - 3 - Question 25
Zoospores are microscopic, motile and endogenous spores that move by means of flagella. Zoospores in Chlamydomonas are pyramid shaped anteriorly flagellated and resemble to their parent cell and develop during favourable condition.
NEET Mock Test - 3 - Question 26
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Which of the following form(s) a synapse?
Detailed Solution for NEET Mock Test - 3 - Question 26
This option is correct because presynaptic membrane, postsynaptic membrane and synaptic cleft together constitute a synapse.
NEET Mock Test - 3 - Question 27
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Which of the following organelles is/are expected to be present more in cardiac cells?
Detailed Solution for NEET Mock Test - 3 - Question 27
Cardiac cells are constantly undergoing contractions and require more energy to perform their functions. Thus, cardiac cells have more mitochondria. In fact, mitochondria occupy 25% of cell space.
NEET Mock Test - 3 - Question 28
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All of the following are included in Geological time scales except
Detailed Solution for NEET Mock Test - 3 - Question 28
Light year is unit for measurement of stellar distances.
NEET Mock Test - 3 - Question 29
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In multicellular organism, a group of similar cells along with intercellular substances perform a specific function. Such organization is called tissue. Epithelial tissue provides covering or lining for some part of the body. Cells are compactly packed without intercellular space. It may be simple, compound, cuboidal or of columnar type. The connective tissues.

They are most abundant and widely distributed tissues which link and support the other tissues. All connective tissue except blood, secretes fibres of structural protein called collagen or elastin to provide elasticity an flexibility. The cells or fibres of the connective tissue may be loosely or arranged or compactly packed. Cartilage, bones and blood are specialized connective tissue. In muscle tissue muscle is made up of long cylindrical fibres arranged parallel to each other. Fibres are composed of fine fibrils called myofibrils. Muscle fibres contract and relax in response to stimulation. The unit of neural system is neuron. Neuroglial cell protect and supports the neuron. When neuron gets stimulated, electrical impulses are generated that travel along the plasma membrane (axon). The tissues organize to form organs which in turn associate to form organ system in multicellular organisms.

Directions: In the following questions a statement of Assertion (A) is followed by a statement of reason (R). Mark the correct choice as :

Assertion: Cartilage and bone are rigid connective tissue.

Reason: Blood is connective tissue with fluid matrix.
Detailed Solution for NEET Mock Test - 3 - Question 29

The assertion that "Cartilage and bone are rigid connective tissues" is true, as these tissues provide structural support and rigidity. The reason states that "Blood is connective tissue with a fluid matrix," which is also true. However, the reason is not the correct explanation for the assertion about cartilage and bone. Thus, the correct answer should be option 2: Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A). This aligns with standard biology textbooks, which describe the nature of connective tissues and their functions.

NEET Mock Test - 3 - Question 30
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Which of the following set has the same number of chromosomes?
Detailed Solution for NEET Mock Test - 3 - Question 30
Spermatozoa also called as sperm are male gamete hence haploid in nature with 23 chromosomes. Second polar body and ovum are also haploid and both contain 23 chromosomes. Ovum is a female gamete.
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