SPSC Zoology Solved MCQs Past Papers

1.Opposable thumbs are characteristic feature of:
 Primates

2.Differences in the scales of fishes and reptiles lies in their being:
Epidermal and dry

3.Which of the following has oxygenated blood?
Pulmonary veins

4.Scapula is the bone of:
Pectoral girdle

5.All the digestive are formed in vertebrates by:
 Endoderm only

6.Ammonia is chief excretory product in
Fish


7.Lamarck’s theory of Evolution is based upon:
 All of these

8.Absorption of digested food occurs mainly in:
 Small intestine

9.A renal portal system is found in:
 Frog

10.Tangoreceptors respond to:
Touch

11.Third ventricle is found in:
 Brain of Rabbit

12.Respiratory pigment present in muscles is called:
Myoglobin

13.Which one of the following is not a viral disease?
Tetanus


14.Animals obtain Carbohydrates mainly from:
Starch

15.Mesosomes are internal extensions of:
Cell Membrane

16.Sugar in each nucleotide of DNA is:
Deoxyribose

17.Species is the basic unit of:
None of these

18.Which one of the following is false about AIDS:
HAV

19.Pepsin is an enzyme responsible for breaking:
Proteins

20.Pace maker is located in:
Heart

21.Follicle stimulating hormones are produced in:
Pituitary

22.Genetic dominance is strongly associated with:
Population distribution

23.Crossing over is the physical exchange between chromosomes.
Homologous

24. XXY individual in man is phenotypically a:
 Male

25.Amino acids are the organic compound behaving like:
Acid
Base


26.Which of these can be the first living organism on the earth:
None of these

27.Ontogeny represents the history of an organism.
Embryonic

28.Nuclear membrane has a structure similar to:
(All of these

29.Osmosis is the movement of solutes through a membrane.
Semi-permeable

30.In these animals the teeth are reduced to molars without enamel or no teeth are present.
Sloths

31.Only hind limbs are lost in:
Whales

32.Among the following which snake is non-poisonous?
Python

33.Which one is excluded from the Phylum Chordata.
Hemichordata

34.The earliest known species of birds is:
Archaeopteryx

35.A muscular diaphragm helps to move air into and out of the lungs in:
35.Mammalians

36.The neck of a camel has vertebras:
7

37.Spiders are Arachnids and they have legs
8

38.Gill slits in chordates are present in
pharynx

39.Birds are flying and have ovaries
on left side

40.Adult echinoderm has symmetry
radial

41.The typical characters of all mammals is
All of these

42.Mouth in shark is located
ventral

43.The number of ribs in frog are
none of these

44.Earth worm are dissected from side
Dorsal

45.Duck billed platypus is a
monotreme

46.Silver fish is a member of
 insects

47.Follicle stimulating hormone is produced in:
 pituitary

48.The primary excretory product is
Ammonia

49. Pepsin is responsible for digestion of:
protein

50. XXY individual in men is phenotypically
 male

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