zoology MCQ for PMT

zoology MCQ for PMT
Objective Zoology MCQs for Various PMT
Zoology MCQ

1. Keratinization of the skin is prevented by:
(a) Vitamin-A
(b) Vitamin-B
(c) Vitamin-C
(d) Vitamin-D
Ans. (a)

2. Which vertebrate organ receives only oxygenated blood?
(a) Liver
(b) Lung
(c) Spleen
(d) Gill
Ans. (c)

3. Genetic information is carried by long chain macro-molecules made up of:
(a) amino acids
(b) nucleotides
(d) chromosomes
(d) enzymes
Ans.(b)

4. “Portuguese man of war” is:
(a) Obelia
(b) Pennatula
(c) Coral
(d) Physalia
Ans. (d)

5. Which of the followings not a pentose ‘sugar?
(a) arabinose
(c) xylulose
(b) xylose
(d) mannose
Ans. (d)

6. Earthworms have no special sense organs. Still they are sensitive to:
(a) touch and sound
(b) light and sound,
(c) touch, taste and sound
(d) touch, taste and light
Ans. (d)

7. Which fish has an electric organ?
(a) Torpedo
(b) Rhinoceros
(c) Scoliodon
(d) Cat fish
Ans. (a)

8. The pH of stomach ranges between:
(a) 7.1 to 8.2
(b) 7.6 to 8.6
(c) 1.5 to 2.0
(d) 6.8 to 7.2
Ans. (c)

9. Life span of WBCs of human is approximately:
(a) 24 hrs
(b) less than 10 days
(c) 120 days
(d) 100 hrs
Ans. (b)

10 Which one of the following is a refuge for Asiatic lion (Panthera leo persica) ?
(a) Kanha national park
(b) Corbett national park
(c) Kaziranga national park
(d) Gir forest
Ans. (d)

11. Photo reactivation mechanism is mediated by an enzyme known as:
(a) phytolyase
(b) hexokinase
(c) aldolase
(d) protease
Ans. (a)

12. Chromosomes in a bacterial cell can be 1-3 in number and:
(a) are always circular
(b) are always linear
(c) can be either circular or linear, but never both within the same cell
(d) can be circular as well as linear within the same cell
Ans. (a)

13. Photo reactivation means:
(a) respiration in light
(b) addition of thymine diamers
(c) activation of plants in light
(d) removal of thymine diamers
Ans. (d)

14. Transfer of genes from one gene pool to another is called:
(a) speciation
(b) genetic drift
(c) gene flow
(d) mutation
Ans. (c)

15. Amoeba proteus contains a nucleus which is:
(a) flattened, cup shaped and slightly biconcave an4 does not like human erythrocyte
(b) flattened, discoidal and slightly biconcave disk like a human erythrocyte
(c) rounded cup shaped and slightly biconvex like human erythrocyte
(d) rounded, discoidal and slightly biconvex like human erythrocyte
Ans. (b)

16. Which statement is correct for muscle- contraction?
(a) Length of H-zone decreases
(b) Length of A-band decreases
(c) Length of I-band remain constant
(d) Length of two Z line increases
Ans. (a)


17. Guanine is also known as:
(a) 6 amino purine
(b) 2 amino purine
(c) 2 amino 4 oxypurine
(d) 2 amino 6 oxypurine
Ans. (d)


18. Pseudomonas is a:
(a) Gram positive, heterotrophic, aerobic bacterium
(b) Gram negative, heterotrophic, aerobic bacterium
(C) Gram negative, heterotrophic, anaerobic bacterium
(d) Gram positive, heterotrophic, anaerobic bacterium
Ans. (b)

19. During binary fission in Paramecium:
(a) micronucleus divides amitotically and macronucleus mitotically
(b) micronucleus divides mitotically and macronucleus amitotically
(c) both divide mitotically
(d) both divide amitotically
Ans. (b)


20. During cell division chromosomes generally remain:
(a) inactive
(b) active
(c) active after metaphase
(d) active after telophase
Ans. (a)

21. Epinephrine is:
(a) Secreted from adrenal medulla and decreases heart beats
(b) Secreted from adrenal medulla and increases heart beats
(c) Secreted from pancreas and regulates glucose level
(d) Secreted from pancreas and decreases glucose level
Ans. (b)

22. The capsule enclosing testes of mammal is, called as
(a) Tunica albuginea
(b) Tunica membrana
(c) Tunica vaginalis
(d) Tunica vasculosa
Ans. (a)

23. The process of gastrulation in frog is more complicated than in Amphioxus because of the presence, in frog, of:
(a) Passive micromere
(b) Passive macromere
(c) Passive mesomere
(d) Passive epimere
Ans. (b)

24. The outermost sheath of connective tissue that surrounds a skeletal muscle is .
(a) Epimer
(b) Epimysium
(c) Epimerite
(d) Epimere
Ans. (d)

25. Mammalian kidney is:
(a) Pronephros
(b) Epinephros
(c) Mesonephros
(d) Metanephros
Ans. (d)


26. Diabetes is established by:
(1) Occurrence of sugar in urine blood
(2) Sugar level
(3) Insulin level in blood
(4) Blood protein level
Ans. (b)

27. Which of the following statements are correct?
(1) Mitochondria contain DNA ,
(2) 70S ribosomes Occur in prokaryote
(3) Ribosomes are made up of phospholipids and oligosaccharide
(4) Ribosomes are not found in Protista and Monera
Ans. (b)

28. Cells regulate their activity through:
(1) Flow of energy
(2) Flow of material
(3) Flow of information
(4) Flow of smoke
Ans. (a)

29. Which of the following match is correct?
(1) Flame cells — Flatworm
(2) Marsupium — Kangaroo
(3) Water vascular system — Sponge.
(4) Pheretima — Parapodia
Ans. (b)

30. Annelida is advanced over nematoda in having:
(1) Closed circulation
(2) Metameric segmentation
(3) True coelom
(4) Flame cells
Ans. (a)

31. Microtubules take part in:
(1) Formation of spindle fibres
(2) Movement of cilia and flagella
(3) Cyclosis
(4) Respiration
Ans. (b)

32. Chromatin consists of:
(1) RNA
(2) DNA
(3) Matrix
(4) Histones
Ans. (c)

33 Lysosomes function is:
(1) Extra cellular digestion
(2) Fat break down
(3) Intra-cellular digestion
(4) Food formation
Ans. (d)

34. Hemoglobin is:
(1) Oligomeric protein
(2) Chromoprotein
(3) Monomeric protein
(4) Keratin
Ans. (b)

35. Alleles represent:
(1) Different forms of a gene
(2) Same loci on homologous chromosomes
(3) Two or more forms
(4) Only one form
Ans. (a)

36. Which is applicable to mutations?
(1) They are inheritable genetic changes
(2) Many of them remain undetected
(3) They can be induced artificially
(4) They are possible only in diploid cells
Ans. (d)

37. Cytoplasmic inheritance is due to:
(1) Mitochondria
(2) Cilia
(3) Cytoplasmic particles
(4) Cell wall
Ans. (a)

38. Genetic code consists of:
(1) r-RNA
(2) Adenine and guanine
(3) Lysosome
(4) Cytosine and uracil
Ans. (c)

39. Which one is true?
(1) A=T, G=C
(2) A = G, T = C
(3) C=G, T=A
(4) T = U, G A
Ans. (b)

40. Hyper variable repeat sequences or Variable number of Tandem repeats (VNTRs) are:
(1) Introns of split genes
(2) Minisatellites
(3) Barr body
(4) Flanked by conserved restriction sites
Ans. (a)

41. Chromatophores of frog consist of:
(1) Lipophores
(2) Guanophroes
(3) Melanophores
(4) Neumatophores
Ans. (a)

42. Myofibrils show dark and light bands in:
(1) Cardiac muscles
(2) Striped muscles
(3) Unstriped muscles
(4) Neuron
Ans. (b)

43. Synovial joint is:
(1) Ball and socket joint
(2) Pivot joint
(3) Hinge joint
(4) Cartilagenous joints
Ans. (a)

44. Body co-ordination is maintained by:
(1) Nervous system
(2) Circulatory system
(3) Endocrine system
(4) Excretory system
Ans. (d)

45. Broca area controls:
(1) Breathing
(2) Movement of vocal cords
(3) Movement of teeth
(4) Movement of tongue
Ans. (c)

46. An important function of progesterone is:
(1) Prepare uterus for pregnancy
(2) Implantation of embryo
(3) Maintenance of pregnancy
(4) Stimulate ADH
Ans. (a)

47. Adrenalin hormone increases:
(1) Blood pressure
(2) Heart beat
(3) Blood glucose level
(4) Arteriosclerosis
Ans. (b)

48. Mammalian palate is:
(1) Primary structure
(2) Parallel to original roof of mouth cavity
(3) Tertiary structure
(4) Secondary structure
Ans. (c)

49. Menstrual cycle is controlled by:
(1) Estrogen and progesterone of ovary
(2) FSH of pituitary
(3) FSH and ER of pituitary
(4) Oxytocin hormone
Ans. (d)

50. B-lymphocytes are:
(1) Formed in bone marrow
(2) Preprocessed in bone marrow
(3) Preprocessed in liver
(4) Formed in thymus
Ans. (d)