Biology Worksheet With Answers Page 6
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1039. In ureotelic animals urea is formed by:
(a) Ornithine cycle (b) Cons cycle
(c) Kreb’s cycle (d) EMP pathway
Ans. (a)
40. The water vascular system performs all but not one function which is that:
(a) excretion (b) respiration
(c) food capturing (d)hormone secretion
Ans. (d)
41. Which is not a fish?
(a) Scoliodon (b) Electric ray
(c) Whale (d) Sea horse
Ans. (a)
42. Hydra does not perform locomotion by:
(a) looping (b) somersaulting
(c) jet propulsion (d) walking
Ans. (c)
43. Which one is not the larval stage of Fascicla?
(a) Cercaria (b) Miracidium
(c) Crysticercus (d) Redia
Ans. (c)
44. The main function of flame cells is:
(a)excretion (b) osmoregulation
(c) secretion of toxins (d) all of these
Ans. (d)
45. Which part of an active enzyme is denatured by heat:
(a) apoenzyme (b) coenzyme
(c) activator (d) holoenzyme
Ans. (a)
46. Secretion of digestive juice in stomach is from:
(a) Brunner’s gland (b) gastric gland
(c) foveola (d) sub mucosal gland
Ans. (b)
47. Which one is not involved in the immune system?
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