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FPSC Zoology Lecturer Test → Sample Test Questions

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31. RR (Red) Antirrhinum is crossed with white (WW) one. Offspring RW are pink. This is an example of
(A) dominant-recessive
(B) incomplete dominance
(C) hybrid
(D) supplementary genes

32. In humans, the placenta is
(A) haemochorial
(B) endothelial
(C) epitheliochorial
(D) syndesmochorial

33. Gastropoda taxonomy is currently under consideration. The traditional three subclasses are Prosobranchia, and two others
(A) Nudibranchia, Pelycopoda
(B) Pelycopoda, Opisthobranchia
(C) Opisthobranchia, Pulmonata
(D) Pulmonata, Nudibranchia

34. The monoplacophorans were known only from the fossil record until 1952 when ________ emerged from a deep-sea trawl net
(A) specimens of Loligo
(B) specimens of Mopalia
(C) specimens of Pedicularia
(D) specimens of Neopilina

35. Which one of the following statements is not true about energy flow
(A) energy flow is greatly reduced at each successive trophic level from producers to herbivores and then to carnivores
(B) the energy captured by the autotrophs does not revert back to solar input
(C) there is unidirectional flow of energy
(D) the pyramids of energy are both top right and inverted

36. Neck and fore limbs in African giraffe increased in length as a result of
(A) variation in these organs
(B) mutations in these organs
(C) use and disuse
(D) none of these

37. Cushing syndrome is due to the hyper secretion of
(A) thyroid
(B) adrenal cortex
(C) pituitary
(D) none of these

38. Which of these classes is characterized by an endoskeletal test, a complex chewing apparatus, no arms, pedicellaria with three jaws, closed ambulacral grooves, and movable spines
(A) echinoidea
(B) asteroidea
(C) ophiuroidea
(D) crinoidea

39. The larva of the lamprey is known as the
(A) trilobite larva
(B) veliger
(C) ammocete
(D) tornaria

40. The implied presence of sebaceous and sweat glands in early mammals signified what
(A) fossilized casts
(B) hair
(C) epidermis
(D) none of these

ANSWERS: ZOOLOGY LECTURER SAMPLE TEST
31(B) 32(A) 33(C) 34(D) 35(D)
36(C) 37(B) 38(A) 39(C) 40(B)