NEET Sample Paper Zoology

Sample Paper

Zoology (English)

Q.No. 1 Match the following cell structure with its characteristic feature :

Select the correct answer

(A) [a]- iii, [b]-i, [c]-iv, [d]-ii

(B) [a]- iv, [b]-iii, [c]-i, [d]-ii

(C) [a]- ii, [b]-iv, [c]-i, [d]-iii

(D) [a]- iv, [b]-ii, [c]-i, [d]-iii

Q.No. 2 Respiratory Quotient (RQ) value of tripalmitin is:

(A) 0.9

(B) 0.7

(C) 0.07

(D) 0.09

Q.No. 3 Select the incorrect statement.

(A) Inbreeding increases homozygosity.

(B) Inbreeding is essential to evolve purelines in any animal.

(C) Inbreeding selects harmful recessive genes that reduce fertility and productivity.

(D) Inbreeding helps in accumulation of superior genes and elimination of undesirable genes.

Q.No. 4 Which of the following conditions will stimulate parathyroid gland to release parathyroid hormone ?

(A) Fall in bone Ca levels

(B) Rise in blood levels

(C) Fall in active Vitamin D levels

(D) Fall in blood Ca+2 levels

Q.No. 5 Which of the following hormones is responsible for both the milk ejection reflex and the foetal
ejection reflex ?

(A) Oxytocin

(B) Relaxin

(C) E.Arogen

(D) Prolactin

Q.No. 6 Exploitation of bioresources of a nation by multinational companies without authorization from the
concerned country is referred to as

(A) Bioethics

(B) Biowar

(C) Bioweapon

(D) Biopiracy

Q.No. 7 Which of the following muscular disorders is inherited ?

(A) Tetany

(B) Muscular dystrophy

(C) Myasthenia gravis

(D) Botulism

Q.No. 8 Which one of the following equipments is essentially required for growing microbes on a large
scale, for industrial production of enzymes ?

(A) BODincubator

(B) Sludge digester

(C) Industrial oven

(D) Bioreactor

Q.No. 9 Which of the following statements is Incorrect ?

(A) A pair of spermatheca is present in the 6th segment or female cockroach.

(B) Female cockroaches possess sixteen ovarioles in the ovaries.

(C) Cockroaches exhibit mosaic vision with less sensitivity and more resolution.

(D) A mushroom-shaped gland is present in the 6th-7th abdominaI segments of male cockroaches.

Q.No. 10 Match the following enzymes with their functions :

(A) [a]- iv, [b]-iii, [c]-i, [d]-ii

(B) [a]- ii, [b]-iv, [c]-i, [d]-iii

(C) [a]- iii, [b]-i, [c]-iv, [d]-ii

(D) [a]- iii, [b]-iv, [c]-i, [d]-ii

Q.No. 11 Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the
following :

(A) Closure of stomata

(B) Flaccidity of bulliform cells

(C) Shrinkage of air spaces in spongy mesophyll

(D) Tyloses in vessels

Q.No. 12 In a species, the weight of newborn ranges from 2 to 5kg. 97% of the newborn with an average
weight between 3 to 3.3 kg survive whereas 99% of the infants born with weights from 2 to 2.5 kg or 4.5 to 5
kg die. Which type of selection process is taking place ?

(A) Directional Selection

(B) Stabilizing Selection

(C) Disruptive Selection

(D) Cyclical Selection

Q.No. 13 Concanavalin Ais:

(A) an alkaloid

(B) an essential oil

(C) a lectin

(D) a pigment

Q.No. 14 Select the incorrect statement.

(A) Male fruit fly is heterogametic.

(B) Inmale grasshoppers, 50% of sperms have no sex-chromosome.

(C) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

(D) Human males have one of their sex-chromosome much shorter than the other.

Q.No. 15 Which of the following is a correct statement ?

(A) IUDs increase phagocytosis of sperms in the uterus.

(B) IUDs suppress gametogenesis.

(C) IUDs once inserted need not be replaced.

(D) IUDs are generally inserted by the user herself.

Q.No. 16 Which of the following pair of organelles does not contain DNA ?

(A) Mitochondria and Lysosomes

(B) Chloroplast and Vacuoles

(C) Lysosomes and Vacuoles

(D) Nuclear envelope and Mitochondria

Q.No. 17 Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very
essential to impart immunity to the newborn infants because it contains :

(A) Natural killer cells

(B) Monocytes

(C) Macrophages

(D) ImmunoglobulinA

Q.No. 18 Select the correct statement

(A) Inspiration occurs when atmospheric pressure is less than intrapulmonary pressure.

(B) Expiration is initiated due to contraction of diaphragm.

(C) Expiration occurs due to external

(D) Intrapulmonary pressure is lower than the atmospheric pressure during inspiration.

Q.No. 19 The ciliated epithelial cells are required to move particles or mucus in a specific direction. In
humans, these cells are mainly present in:

(A) Bile duct and Bronchioles

(B) Fallopian tubes and Pancreatic duct

(C) Eustachian tube and Salivary duct

(D) Bronchioles and Fallopian tubes

Q.No. 20 Cells in G0 phase

(A) exit the cell cycle

(B) enter the cell cycle

(C) suspend the cell cycle

(D) terminate the cell cycle

Q.No. 21 Select the correct sequence for transport of sperm cells in male reproductive system.

(A) Testis —> Epididymis —> Vasa efferentia —> Rete testis Inguinal canal —> Urethra

(B) Seminiferous tubules —> Rete testis —> Vasa efferentia —> Epididymis —> Vas deferens —>
Ejaculatory duct —> Urethra —> Urethral meatus

(C) Seminiferous tubules —> Vasa efferentia —> Epididymis —> Inguinal canal —> Urethra

(D) Testis —> Epididymis —> Vasa efferentia —> Vas deferens —> Ejaculatory duct —> Inguinal canal —
> Urethra —> Urethral meatus

Q.No. 22 Which of the following cell organelles is present in the highest number in secretory cells ?

(A) Endoplasmic reticulum

(B) Lysosomes

(C) Mitochondria

(D) Golgi complex

Q.No. 23 The Earth Summit held in Rio de Janeiro in 1992 was called :

(A) to reduce CO2 emissions and global warming.

(B) for conservation of biodiversity and sustainable utilization of its benefits.

(C) to assess threat posed to native species by invasive weed species.

(D) for immediate steps to discontinue use of CFCs that were damaging the ozone layer.

Q.No. 24 A population of a species invades a new area. Which of the following conditions will lead to
Adaptive Radiation ?

(A) Area with many types of vacant habitats.

(B) Area with many habitats occupied by a large number of species.

(C) Area with a large number of habitats having very low food supply.

(D) Area with a single type of vacant habitat

Q.No. 25 Decline in the population of Indian native fishes due to introduction of Clarias gariepinus in river
Yamuna can be Categorised as

(A) Over exploitation

(B) Alien species invasion

(C) Co - extinction

(D) Habitat fragmentation

Q.No. 26 Which of the following nucleic acids is present in an organism having 70 S ribosomes only ?

(A) Double stranded DNA enclosed in nuclear membrane

(B) Double stranded circular DNA with histone proteins

(C) Single stranded DNA with proteins coat.

(D) Double stranded circular naked DNA

Q.No. 27 Coronavirus animals - lions and leopards, occupy the same niche but lions predate mostly larger
animals and leopards take smaller ones. This mechanism of competition is referred to as-

(A) Resource partitioning

(B) Competitive exclusion

(C) Character displacement

(D) Altruism

Q.No. 28 In Euglena locomotion by …..

(A) Flagella

(B) Cilia

(C) Pseudopodia

(D) Myonemes

Q.No. 29 The maximum volume of air a person can breathe in after a forced expiration is known as :

(A) Inspiratory Capacity

(B) Total Lung Capacity

(C) Expiratory Capacity

(D) Vital Capacity

Q.No. 30 Artificial light, extended work-time and reduced sleep-time disrupt the activity of -

(A) Adrenal gland

(B) Posterior pituitary gland

(C) Thymus gland

(D) Pineal gland

Q.No. 31 Match the following organisms with the products they produce :

Select the correct option.

(A) a-ii b-iv c-v d-iii

(B) a-ii b-iv c-iii d-v

(C) a-iii b-iv c-v d-i

(D) a-ii b-i c-iii d-v

Q.No. 32 The contrasting characteristics generally in a pair used for identification of animals in Taxonomic
Key are referred to as :

(A) Doublet

(B) Alternate

(C) Lead

(D) Couplet

Q.No. 33 Identify A,B and C in the diagrammatic representation of the mechanism of hormone action.

Select the correct option from the following :

(A) A= Steroid Hormone , B = Receptor; C= Second Messenger

(B) A= Protein Hormone , B = Cyclic AMP; C= Hormone- Receptor Complex

(C) A= Steroid Hormone , B = Hormone Receptor Complex ; C= Protein

(D) A= Protein Hormone , B = Receptor; C= Cyclic AMP

Q.No. 34 What will be the sequence of mRNA produced by the following stretch of DNA ?

(A) 3' UACGUACGUACGUAC 5'

(B) 5' AUGCAUGCAUGCAUG 3'

(C) 3' AUGCAUGCAUGCAUG 5'

(D) 5' UACGUACGUACGUAC 3'

Q.No. 35 In some plants, the female gamete develops into embryo without fertilization. ‘This phenomenon is
known as:

(A) Autogamy

(B) Parthenocarpy

(C) Syngamy

(D) Parthenogenesis

Q.No. 36 Thiobacillus is a group of bacteria helpful in carrying out :

(A) Nitrogen fixation

(B) Chemoautotrophic fixation

(C) Nitrification

(D) Denitrification

Q.No. 37 Purines found both in DNA and RNA are:

(A) Adenine and thymine

(B) Adenine and guanine

(C) Guanine and cytosine

(D) Cytosine and thymine

Q.No. 38 After meiosis I, the resultant daughter cells have

(A) same amount of DNA in comparison to haploid gamete

(B) four times the amount of DNA in comparison to haploid gamete.

(C) same amount of DNA as in the parent cell in S phase.

(D) twice the amount of DNA in comparison to haploid gamete.

Q.No. 39 Consider following features : [a] Organ system level of organisation [b] Bilateral symmetry [c]
True coelomates with segmentation of body Select the correct option of animal groups which possess all the
above characteristics.

(A) Annelida, Arthropoda and Chordata

(B) Annelida, Arthropoda and Mcllusca

(C) Arthropoda, Mollusca and Chordata

(D) Annelida, Mollusca and Chordata

Q.No. 40 Persistent nucellus in the seed is known as:

(A) Chalaza

(B) Perisperm

(C) Hilum

(D) Tegmen

Q.No. 41 Xylem translocates :

(A) Water only

(B) Water and mineral salts only

(C) Water, mineral salts and some organic nitrogen only

(D) Water, mineral salts, some organic nitrogen and hormones

Q.No. 42 Which of the following sexually transmitted diseases do not specifically affect reproductive organs
?

(A) AIDS and Hepatitis B

(B) Chlamydiasis and AIDS

(C) Genital warts and Hepatitis-B

(D) Syphilis and Genital herpes

Q.No. 43 What is the direction of movement of sugars in phloem ?

(A) Non-multidirectional

(B) Upward

(C) Downward

(D) Bi-directional

Q.No. 44 In Australia, marsupials and placental mammals have evolved to share many similar
characteristics. This type of evolution may be referred to as -

(A) Cyclical Evolution

(B) Convergent Evolution

(C) Adaptive Radiation

(D) Divergent Evolution

Q.No. 45 Match the following genera with their respective phylum:

(A) [a]- i, [b]-iii, [c]-iv, [d]-ii

(B) [a]- iii, [b]-iv, [c]-ii, [d]-i

(C) [a]- iv, [b]-i, [c]-iii, [d]-ii

(D) [a]- iii, [b]-iv, [c]-i, [d]-ii

Answer Sheet
Q.No Answer
Q.No. 1 (A)
Q.No. 2 (B)

Q.No. 3 (C)
Q.No. 4 (D)
Q.No. 5 (A)
Q.No. 6 (D)

Q.No. 7 (B)
Q.No. 8 (B)
Q.No. 9 (C)
Q.No. 10 (D)
Q.No. 11 (B)
Q.No. 12 (B)
Q.No. 13 (C)
Q.No. 14 (C)
Q.No. 15 (A)
Q.No. 16 (C)
Q.No. 17 (D)
Q.No. 18 (D)
Q.No. 19 (D)
Q.No. 20 (C)
Q.No. 21 (B)
Q.No. 22 (D)
Q.No. 23 (B)
Q.No. 24 (A)
Q.No. 25 (B)
Q.No. 26 (D)
Q.No. 27 (A)
Q.No. 28 (A)
Q.No. 29 (D)
Q.No. 30 (D)
Q.No. 31 (B)
Q.No. 32 (D)
Q.No. 33 (D)
Q.No. 34 (D)
Q.No. 35 (C)
Q.No. 36 (D)
Q.No. 37 (B)
Q.No. 38 (D)
Q.No. 39 (A)
Q.No. 40 (B)
(D)

Q.No. 41
Q.No. 42 (A)
Q.No. 43 (D)
Q.No. 44 (B)

Q.No. 45 (D)