Zoology Previous Year Question Papers

In this Article, we have provided the Zoology Previous Year Question Papers along with Solutions. So, the interested candidates who applied for jobs in Zoology Previous Year can download Zoology Previous Year Question Papers for free of cost. Get all the Zoology Previous Year Question Papers with just one click.

Zoology Previous Year Question Papers

Click on the enclosed links below to download the Zoology Previous Year Question Papers. Check the Last five years Zoology Previous Year Question Papers to get a clear idea of the exam pattern. Along with Zoology Previous Year Question Papers, it’s better to refer Zoology Previous Year Syllabus & Exam Pattern before starting preparation. So, click on link to check and download Zoology Previous Year Question Papers PDF.

Previous Year Question Papers of Zoology

1. The human hind brain comprises three parts, one of which is
a. Cerebellum
b. Hypothalamus
c. Olfactory
d. Corpus callosum

2. The hormones that can easily pass through the cell membrane of the target cell and bind to a receptor (mostly in the nucleus)
a. Somatostatin, oxytocin
b. Cortisol, testosterone
c. Insulin, Growth hormone
d. Thyroxin, Insulin

3. The leydig cells are the secretory source of
a. Glucagon
b. Androgens
c. Progesterone
d. Thyroxin

4. Select the correct statement from the ones given below with respect to Periplaneta americana
a. There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut
b. Grinding of food is carried out only by the mouth parts
c. Nervous system located dorsally, segmented body and ganglia joined by a pair of longitudinal connective
d. Males having a pair of short thread like anal styles

5. Cell eating can best be described as
a. Pathocytosis
b. Cytopathology
c. Phagocytosis
d. All of the above

6. Sexual cycle of malaria parasite
a. Completed in vertebrate host
b. Start in invertebrate host complete in mosquito
c. Start in mosquito completed in vertebrate host
d. None of the above

7. The drug which binds to receptor site and stops communication process of cell is called
a. Antagonists
b. Agonists
c. Target
d. enzyme

8. Cell theory cannot be applicable to
a. Protozoa
b. Algae
c. Virus
d. Fungi

9. Semiautonomous organelle in the cell is represented by
a. Golgi
b. Peroxisome
c. Mitochondria
d. Endoplasmic reticulumn

10. The subunits of prokaryotic ribosomes are
a. 60S+40S
b. 608+308S
c. 70S+30S
d. 50S+308S

11. Smooth Endoplasmic reticulum is the site of
a. Protein synthesis
b. Carbohydrate synthesis
c. Lipid Synthesis
d. Amino acid synthesis

12. Nematocysts are found in which of the following phylum
a. Cnidaria
b. Mollusca
c. Annelida
d. Porifera

13. Hydra prevents self fertilization due
a. Protogynous
b. Hermaphrodite
c. Protandry
d. None

14. The most primitive invertebrate form possessing both musculoepithelial and nerve cells is represented by
a. Sycon
b. Hydra
c. Fasciola
d. Arthropoda

15. Blood flows through sinuses in
a. Open circulation
b. Close circulation
c. Portal circulation
d. All of the above

16. Which organ receives only oxygenated blood
a. Liver
b. Lung
c. Spleen
d. None

17. Implantation of blastocyst normally occurs on
a. Day -5
b. Day -6
c. Day -9
d. Day -4

18. Primary oocyte is considered as
a. Diploid
b. Haploid
c. Polyploid
d. None

19. MSH is secreted by
a. Interior lobe of pituitary gland
b. Posterior lobe of pituitary gland
c. Endostyle
d. Thymus gland

20. Which one of the following is not the secondary messenger of the cells
a. C-AMP
b. Calcium
c. C-GMP
d. Sodium

Hard Questions GK
Easy Questions Quiz
Important Questions Viva
GATE Sample Papers
JRF Model Questions
NEET Previous Papers

21. The gland which has odorous secretion in mammals?
a. Bertholin
b. Pituitary
c. Thymus
d. None

22. The most important requirement for evolution is
a. Mutation
b. Variation
c. Natural selection
d. Continuity of germplasm

23. Ducchene Mascular Dystrophy is a
a. Dominant sex linked disorder
b. Dominant autosomal disorder
c. Recessive sex linked disorder
d. Recessive autosomal disorder

24. Wobble hypothesis was proposed by
a. Crick
b. Watson
c. Nirenberg
d. Khorana

25. All are reducing sugars except
a. Sucrose
b. Glucose
c. Maltose
d. Lactose

26. Blood of Cockroach contains no pigment, it means that
a. Respiration is anaerobic
b. Cockroach does not respire
c. O2 goes directly into tissue by diffusion
d. O2 goes into tissue by intercellular capillary system

27. Protein found in eye lens is
a. Crystalline
b. Collagen
c. Opsin
d. Rhodopsin

28. The wish-bone or Merry-thought bone of birds is
a. Sternum
b. Scapula
c. Coracoid
d. Furcula

29. The largest gland of adult man is
a. Thymus
b. Liver
c. Thyroid
d. Pancreas

30. Bohr effect is related with
a. Carbon level in lymph
b. Oxygen and haemoglobin association
c. Reduced oxygen level in arteries
d. All of the above

31. Food web is constituted by
a. Various interlinked food chain in a community
b. Relationship between animals and plant
c. Relationship between animals, plants and microbes
d. None of the above

32. In Glycolysis glucose is converted into a compound which is
a. PEP
b. Pyruvic acid
c. Citric acid
d. Acetyl CoA

33. Dentine is secreted by which of following
a. Odontoblast
b. Osteochlast
c. Osteoblast
d. Chondroblast

34. Evolution of different species in a given area starting from a point and spreading to other geographical areas is known as
a. Migration
b. divergent evolution
c. Adaptive radiation
d. Natural selection

35. Which organelles group is involved in manufacturing the proteins needed by the cell?
a. Mitochondria, vacuole, ribosome
b. Ribosome, rough ER.
c. Vacuole, lysosome, rough ER, smooth ER
d. Smooth ER, ribosome.

36. Lysozyme cleave the bond linkage of
a. Phosphoester bond
b. Phosphodiester bond
c. Glycosidic bond
d. peptide bond

37. Serine proteases is inhibited by
a. Chloromethylketone
b. Diisopropylphosphofluoridate
c. Triisopropylphosphofluoridate
d. none of above

38. Which one is not a protein?
a. Chymotrypsin
b. Trypsin
c. Ribozyme
d. Elastase

39. Thiamine pyrophosphate is a cofactor of enzymes
a. Lactate dehydrogenase
b. Pyruvate dehydrogenase
c. Glycogen phosphorylase
d. Pyruvate carboxylase

40. Vinax is decreases but Km remains unchanged in
a. Noncompetitive Inhibitor
b. Competitive Inhibitor
c. Irreversible Inhibitor
d. Uncompetitive Inhibitor

41. Which enzymes do not follow Michaelis-Menten Kinetics ,
a. Inhibitor enzymes
b. Regulatory enzymes
c. Catalytic enzymes
d. Allosteric Enzymes

42. Serum γ-glutamyl transferase activity is elevated in
a. Pancreatitis
b. Malaria
c. Alcohalism
d. Myocardial infarction

43. Which is the high energy compound
a. Phosphocreatine
b. Phosphocreatinine
c. Adenine diphosphate
d. Glucose 6-phosphate

44. Electron transport chain is operated in
a. Neuleus
b. Lysosome
c. Mitochondria
d. Ribosome

45. A negative sign of free energy indicates the reaction is
a. Entergonic
b. Exergonic
c. Nonspontaneous
d. Botha & b

46. The storage form of high energy compound in invertebrate is
a. Phosphotyrosine
b. Phospholysine
c. Phosphoarginine
d. Phosphotyptophan

47. Salivary a-amylase become inactive in stomach due to
a. Inactivation of low pH
b. Inactivation of gastric pepsin
c. Inhibition of Cl-
d. Inactivation of peptidase

48. The storage form of high energy compound in invertebrate is
a. Phosphotyrosine
b. Phospholysine
c. Phosphoarginine
d. Phosphotyptophan

49. Superoxide is converted into H2O2 by the enzymes is
a. Catalase
b. Superoxide dismutase
c. Invertase
d. Phosphatase

50. Transport of glucose from lumen to intestinal mucosal cell is coupled with the diffusion of
a. Na+
b. K+
c. Cl—
d. HCO3—

51. Most efficiently absorbed monosaccharides
a. Glucose
b. Galactose
c. Fructose
d. Mannose

52. Digestion of protein starts from
a. Stomach
b. Mouth
c. Intestine
d. Liver

53. Immunoglobulin is a
a. Lipoprotein
b. Phospholipid
c. Glycolipid
d. Glycoprotein

54. Sickle cell anemia is resistance to
a. Filaria
b. Diabeties
c. Malaria
d. Cancer

55. The compound that facilitates the release of oxygen from oxyhaemoglobin is
a. 2,3-bisphophoglycerate
b. H+ 2
c. Cl—
d. All of them

56. Myelin Sheath of nerve cell made by
a. Sphingomyelin
b. Phosphotidylcholine
c. Phosphatidylinositol
d. Glycerophospholipid

57. Which is a neurotransmitter?
a. Acetyl glutamine
b. Acetylcholine
c. Acetyl ethanolamine
d. Acetylserine

58. Which is correct for the concentration of Na+ and K+ across the membrane potential in the cell
a. High concentration of K+ inside and high concentration of Na+ outside
b. High concentration of K+ inside and low concentration of Na+ outside
c. Low concentration of K+ inside and high concentration of Na+ outside
d. Low concentration of K+ inside and Low concentration of Na+ outside

59. Tetradoxin block the channel of
a. K+
b. Cl—
c. Na+
d. Ca2+

60. Which of the following is not an ameboid movement theory?
a. Contraction-hydrolic theory
b. Surface tension theory
c. Walking movement theory
d. Wobbling theory

61. Obelia a colonial hydrozoa is found in
a. Brackish water
b. Marine water
c. Fresh water
d. All of above

62. Curved tail in Ascaris are normally
a. Close to anus in female
b. Close to Gonopore in female
c. Close to spicule in male
d. Close to excretory pore in female

63. The main function of centromere is
a. Osmoregulation
b. Secretion
c. Protein synthesis
d. Formation of spindle fibre

64. Evolution of different species in given area starting from a point and spreading to other geographical areas is known as
a. Migration
b. Divergent evolution
c. Adaptive radiation
d. Natural Selection

65. Independent assortment is absent in case of
a. Gene located on same chromosome
b. Gene located on homologous chromosome
c. Gene located on non-homologous chromosome
d. All of the above

66. Lysosome are not present in the cell type
a. Muscle cells
b. Acinal Cells
c. Erythrocyte
d. Hepatocytes

67. Stem cells can be defined as
a. The first cells of mitosis in meristem region
b. Cells harvested in the brain stem
c. The cells found in the fluid of spinal chord
d. Embryonic cells with no predetermined developmental destiny

68. Cancer of the epithelial cells are called
a. Carcinoma
b. Sarcoma
c. Leukaemia
d. None of these

69. Fish is a poor source of ?
a. Iron
b. Phosphorous
c. Iodine
d. Vitamin A

70. Linked genes are
a. Located on different chromosome of the same size and shape
b. Rarely inherited together
c. Located on same chromosome
d. All of the above

71. Essential for tumour metastasis is?
a. Angiogenesis
b. Tumorogenesis
c. Apoptosis
d. All of the above

72. Which of the following is not a derivative of cholesterol?
a. Vitamin D
b. Vitamin E
c. Bile Salt
d. Steroid hormones

73. Turner syndrome is due to
a. Trisomy of chromosome 21
b. Trisomy of chromosome 18
c. Autosomal recessive gene
d. Absence of sex chromosome

74. Green house gases can be said as
a. Absorber of long long wave heat radiation from earth
b. Transparent to both solar radiation and long wave radiation from earth
c. Absorber of solar radiation for warming the atmosphere of the earth
d. All of the above