Questions for 27 July Zoology

Q:-1 Write short note on the following (200 words) 10X2 - 20
1) Status of sphenodon
2) Skull types in Reptiles

Q:-2 Describe the origin of reptiles. Comment on the status of Crocodiles. (20)

Q:-3 Discuss various theories of origin of life put forth prior to industrial era. Discuss their merits and demerits as well. (15)

Q:-4 Describe modern theory of evolution in detail. briefly explain the chemical basis of origin of life.

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CANAL SYSTEM IN Porifera

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