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Bio-Diversity and its Conservation


7. 

Which of the following is the correct sequence for the life cycle of Aurelia, a true jelly fish?

Answer : C. Medusa -> Planula -> Scyphistoma -> Polyp -> Ephyra

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8. 

Plasmodium belongs to this group

Answer : A. Protozoa

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9. 

Dynosaur eggs have been found recently in

Answer : C. Gujarat

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10. 

Consider the following statements:
I. Sericulture means cultivation of silkworm
II. Arboriculture means the cultivation of trees and vegetables
Of these statements:

Answer : A. I and II are true

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11. 

Which one of the following provides the best estimate of the world's biological diversity?

Answer : C. of about forty five million living species, some 100 are lost everyday, most of them unknown because no more than 1.5 million have been actually identified

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12. 

The most valuable pearl is produced by

Answer : B. Unionidae

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