E-PolyLearning

41. Cavity between yolk and endoderm is called
a. gastrocoele
b. coelom
c. blastocoele
d. neurocoele
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Answer: (a).gastrocoele

42. Morula stage changes into
a. gastrula
b. neurula
c. Both a and b
d. blastula
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Answer: (d).blastula

43. Cells that elongate length wise more than in other direction are
a. pith
b. cortex
c. fibers and tracheids
d. cambium
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Answer: (c).fibers and tracheids

44. In gray crescent area, cytoplasm contains essential information for
a. growth
b. development
c. reproduction
d. respiration
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Answer: (b).development

45. Ability to regain or recover lost or injured part of body is called
a. recreation
b. regeneration
c. reproduction
d. reformation
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Answer: (b).regeneration