KUET 2023 Question Paper M.Sc. Zoology

FOR KUET EXAM PREPARATION

KUET 2023
Question Paper · M.Sc.
Zoology
EXAM YEAR TYPE SUBJECT

KUET 2023 Question Paper M.Sc. Zoology

Notes · Sample Papers · Previous Year Papers · Mock Tests

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as ag Sr. No. .............................

ENTRANCE TEST-2023
SCHOOL OF BIOLOGICAL SCIENCES

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ZOOLOGY

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Question Booklet Series

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Total Questions : 60
Time Allowed :
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70 Minutes Roll No. :
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g a Test Roll Number in the space provided at the top of this page of Question a
l information Instructions for Candidates :

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1. Write your Entrance Booklet and
fill up the necessary in the spaces provided on the OMR Answer Sheet.
2. OMR Answer Sheet has an Original Copy and a Candidate’s Copy glued beneath it at the top. While making
entries in the Original Copy, candidate should ensure that the two copies are aligned properly so that the
entries made in the Original Copy against each item are exactly copied in the Candidate’s Copy.
3. All entries in the OMR Answer Sheet, including answers to questions, are to be recorded in the Original Copy
only.

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4. Choose the correct / most appropriate response for each question among the options A, B, C and D and
darken the circle of the appropriate response completely. The incomplete darkened circle is not correctly

mcircle of correct/most appropriate response. In no case
read by the OMR Scanner and no complaint to this effect shall be entertained.

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5. Use only blue/black ball point pen to darken the

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6. Do not darken more than one circle ofaoptions for any question. A question with more than one darkened
gel/ink pen or pencil should be used.

response shall be considered wrong.
7. There will be ‘Negative Marking’ for wrong answers. Each wrong answer will lead to the deduction of
0.25 marks from the total score of the candidate.
8. Only those candidates who would obtain positive score in Entrance Test Examination shall be eligible for
admission.

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9. Do not make any stray mark on the OMR sheet.

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10. Calculators and mobiles shall not be permitted inside the examination hall.

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a in which case it will not
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11. Rough work, if any, should be done on the blank sheets provided with the question

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be evaluated.
13. Ensure that your OMR Answer Sheet has been signed by the Invigilator and the candidate himself/herself.
14. At the end of the examination, hand over the OMR Answer Sheet to the invigilator who will first tear off the
original OMR sheet in presence of the Candidate and hand over the Candidate’s Copy to the candidate.

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1. Each haemoglobin molecule has the ability to carry a 6. The hormone gastrin secreted by gastric mucosa is a
maximum of (A) polypeptide
(A) one O2 molecule (B) glycoprotein
(B) two O2 molecules (C) steroid
(C) three O2 molecules (D) catecholamine
(D) four O2 molecules 7. Which of the following is the correct chemical reaction
2. Medulla oblongata controls which of the following ? catalysed by enzyme arginase?
1. vasodilation and vasoconstriction (A) Arginine ----- Citrulline + Ammonia

2. breathing and blood pressure (B) Arginine ----- Citrulline + Ornithine
(C) Arginine ----- Ornithine + Ammonia
3. gut peristalsis and gland secretion
(D) Arginine ----- Ornithine + Urea
4. laughing and micturition
8. Which of the following pair is not correctly matched?
(A) 1, 2 & 3 are correct
(A) Cardiac accelerator - Acetylcholine
(B) 1 & 2 are correct
(B) Gluconeogenic hormone - Glucagon hormone
(C) 2 & 4 are correct
(C) Control of Basal metabolic rate - Thyroxin
(D) 1, & 3 are correct
(D) Folliculogenic hormone - FSH
3. In which of the following postanal tail is present?
9. Which of the following secretes a polypeptide
(A) Branchiostoma hormone which facilitates birth by relaxing pubic-
(B) Herdmania symphysis?
(C) Balanoglossus (A) umbilical cord
(D) Both (B) & (C) (B) amniotic cells
4. Which of the following causes the most blood pressure (C) neurohypophysis
in the mammalian aorta? (D) placenta
(A) systole of the left atrium 10. In Kreb’s cycle FAD is the electron acceptor during
(B) diastole of the right ventricle the conversion of
(C) systole of the left ventricle (A) succinyl CoA to succinic acid
(D) diastole of the right atrium (B) a-Ketoglutaruc acid to succinyl CoA
5. Table salt is added with iodine to help prevent (C) fumaric acid to malic acid
deficiencies of an essential mineral needed for the (D) succinic acid to fumaric acid
proper functioning of 11. Which one of the following is correct?
(A) parathyroid glands (A) Apoenzyme + Endoenzyme = Holoenzyme
(B) adrenal glands (B) Holoenzyme + Exoenzyme = Apoenzyme
(C) thyroid glands (C) Holoenzyme + Apoenzyme = Coenzyme
(D) the endocrine pancreas (D) Coenzyme + Apoenzyme = Holoenzyme

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as 12. End product of ß-oxidation of fatty acid is ag
17. Which of the following enzyme is necessary for
(A) Fatty acyl-CoA transcription?

(B) Pyrophosphate (A) Endonuclease

(C) ß-keto fatty acyl-CoA (B) RNAase

(D) Acetyl Co-A (C) DNA Polymerase
(D) RNA Polymerase
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13. Which of the following enzymes is the rate-limiting

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step of the urea cycle? 18. In case of E. coli which of the following induces lac

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operon ?

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(A) N-acetyl glutamatate synthase

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(A) promotor gene

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(B) Carbamoyl phosphate synthetase

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(C) Ornithine carbamoylase
(C) lactose
(D) Argininosuccinate synthetase
(D) ß-galactosidase
14. What was the most significant conclusion that Gregor
19. The centre for hearing in humans is located in
Mendel drew from his experiments with pea plants?
(A) temporal lobe
(A) There is considerable genetic variation in garden
peas. (B) frontal lobe

(B) Traits are inherited in discrete units, and are not (C) cerebral cortex

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the results of “blending.” (D) parietal lobe

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(C) Recessive genes occur more frequently in the 20. In progenies linkage leads to

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FI generation than do dominant ones. (A) lesser parental types

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(D) An organism that is homozygous for many
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(C) excess of recombinant types
15. Epistatic effect, in which the hybrid ratio of 9:3:3:1 (D) origin of new recombinants
between AaBb × AaBb gets modified, is 21. Which of the following is not a focussing part of human
(A) interaction of two alleles at same locus eye?
(B) interaction of two alleles at different loci (A) retina
(C) dominance of one allele on another allele at same (B) ciliary muscles

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locus (C) cornea

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(D) dominance of one allele on another allele at both (D) lens

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of its loci 22. During replication, the Okazaki fragments on lagging

las 16. Colour blindness in man is strand are joined together by
ag
ag (A) Sex-linked character
(B) Sex-influenced character
(A) DNA Polymerase
(B) DNA Ligase
(C) Sex-limited charater (C) Primase
(D) Dominant character (D) Helicase

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23. The primitive atmosphere of the earth may have 28. The law/theory which states that “the relative
favoured the synthesis of organic molecules because frequencies of various genes in a population remain
(A) it was highly oxidative constant in the absence of mutation, selection and
(B) it was reducing and had energy sources in the geneflow” is known as
fonn of lightning and UV radiation
(A) Biogenetic law
(C) it had a great deal of methane and organic fuels
(B) Mutational theory
(D) it had plenty of water vapour, carbon, and
nitrogen, providing the C, H, O, and N needed (C) Hardy-Weinberg law
for the organic molecules (D) Gene theory
24. Which of the following is known to be the earliest 29. The manner by which the K/T impactor most likely
known ancestor of present day horse ?
killed the dinosaurs is that
(A) Mesohippus
(A) material launched into space re-entered the
(B) Merychippus
atmosphere, heating up to high temperatures and
(C) Eqqus
roasting them
(D) Eohippus
(B) the fragments struck them on the head, fracturing
25. Which of the following statement is incorrect about
Ascaris lumbricoides ? their skulls
(A) Sexes are separate and sexual dimorphism well (C) it shook the earth’s mantle, resulting in massive
marked volcanic outbursts
(B) Pair of testes are present (D) they died as a result of the impactor’s poisonous
(C) Respires anaerobically vapours
(D) Sperms are amoeboid and ova are elliptical 30. In case of tapeworms small groups of gravid
26. In most of the eukaryotic organism, DNA replication proglottids are regularly detached from the posterior
in the lagging strand is end of strobila and passed out with human faeces,
(A) conservative and continuous such a process is called
(B) semiconservative but discontinuous
(A) Apolysis
(C) conservative and semi-discontinuous
(B) Strobilization
(D) semiconservative but continuous
(C) Proglottisation
27. Generation after generation Weismann cut off tails of
mice but tail neither disappeared nor shortened, (D) Budding
proving that 31. Which of the following snakes is known as worm
(A) Darwin was right snake and has vestigial eyes?
(B) Mutation theory is wrong (A) Ptyas
(C) Lamark’s statement on inheritance of acquired
(B) Typhlops
characters was wrong
(D) Lamark’s statement on inheritance of acquired (C) Lycodon
characters was right (D) Eryx

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as 32. Fight-or-flight reactions include activation of ag
37. In case of elasmobranchs the gills rakers help in
(A) the parathyroid glands, leading to increased (A) exchange of gases
metabolic rate (B) preventing food from entering the gill clefts
(B) the thyroid gland, leading to an increase in the (C) preventing water from entering gill clefts
blood calcium concentration (D) maintaining pH of blood

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(C) the anterior pituitary gland, leading to cessation 38. The carotid artery supplies blood to the
of gonadal function
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(A) head and brain

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(D) the adrenal medulla, leading to increased

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(B) lungs and skin

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secretion of epinephrine
33. In which of theafollowing Ilio-ischiatic foramen is
(C) heart
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present ? gl
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(D) lower part of body
39. In mammals, the kidneys are placed asymmetrically
(A) Fish the right one being lower due to slight displacement
(B) Frog by
(C) Lizard (A) stomach
(D) Bird (B) liver
34. Population with adjacent geographic ranges are (C) spleen

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40..c The brain is protected by a single membrane, meninx
known as (D) heart

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(A) allopatric population
(B) sympatric population
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(C) parapatric population
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(B) Rana
(D) finite population
35. Opening of mouth into a narrow space bounded by (C) Uromastyx
jaws, lips and cheeks is called (D) Columba
(A) diastema 41. Allopatric, but not sympatric speciation requires
(B) vestibule (A) reproductive isolation

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(C) pharynx (B) geographic isolation

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(D) nares (C) spontaneous differences in males and females

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36. In case of ruminants which compartment of stomach (D) prior hybridization

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has gastric glands ? 42. The eyes of fish shine due to the
ag
ag (B) reticulum
(A) cornea
(B) lens
(C) omasum (C) tunica fibrous
(D) abomasum (D) tapetum lucidum

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43. Which of the following law states that “the speed or 49. Which of the following is not correctly matched?
rate of cleavage in any region of egg is inversely (A) Gastrozoid : feeding polyp
proportional to the amount of yolk it contains” ? (B) Nectocalyx : swimming zooid
(A) Sach’s law (C) Dactylozoid : protective polyp
(B) Hertwig’s law (D) Phyllozoid : medusa filled with secreted gas
(C) Balfour’s law 50. Which of the following genus represents class
(D) Pfluger’s law Zoomastigophorea (Zooflagellata) of phylum
Protozoa?
44. Bats belong to which of the following orders ?
(A) Monocystis
(A) Lagomorpha
(B) Plasmodium
(B) Carnivora
(C) Trypanosoma
(C) Primata
(D) Vorticella
(D) Chiroptera
51. Which evidence of evolution is related to Darwin’s
45. The type of placenta found in cats and dogs is finches?
(A) diffuse (A) evidence of comparative anatomy
(B) zonary (B) evidence of embroyology
(C) discoidal (C) Palaentological evidence
(D) metadiscoidal (D) evidence of biogeographical distribution
46. Which of the following hormones helps to retain 52. Which of the following is known as a sea mouse?
pregnancy and prevents premature parturition? (A) Aphrodite
(A) progesterone (B) Polynoe
(B) estrogen (C) Arenicola
(C) relaxin (D) Amphitrite
(D) oxytocin 53. Radula which is the characteristic feature of Mollusca
is absent in
47. The acrosome of the sperm is formed by
(A) Scaphopoda
(A) mitochondrium
(B) Aplacophora
(B) lysosome
(C) Bivalvia
(C) golgi complex
(D) Cephalopoda
(D) vacuole
54. An example of the image formed in a cockroach’s
48. The average pH of pancreatic juice is about eye is
(A) 4.4 (A) Apposition
(B) 6.8 (B) Superposition
(C) 8.4 (C) Juxtaposition
(D) 9.2 (D) Metaposition

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as 55. In sea star madreporite surface bears numerous fine 58. ag
Instead of teeth, Baleen are found in
radiating furrows permeated by approximately
................ minute pores (A) Sharks
(A) 100 (B) Dolphins
(B) 150
(C) Sea cows
(C) 200

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(D) Blue whale

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(D) 250

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56. Which of the following statements is wrong regarding 59.

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Which one of the following subclasses of reptilia is
Petromyzon and Myxine?
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not extinct?

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(A) Skin is less slimy in case of Petromyzon than
Myxine
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(A) Diapsida
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(B) Neural arches are present in Petromyzon and (B) Euryapsida
absent in Myxine
(C) Brain is better developed in Petromyzon than (C) Parapsida
Myxine (D) Synapsida
(D) Development is direct in case of Petromyzon
and indirect in Myxine 60. Which of the following groups belong to anamniotes?
57. Ilicium in some fishes is modification of (A) birds and mammals

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(A) Caudal fin
(B) reptiles and birds
(B) 1st Pectoral fin spine

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(C) 1st dorsal fin spine
(D) Anal fin
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ROUGH WORK

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