. Cocoon is


(a)   the fibre cover spun by the silk larva around it body on changing into pupa state

(b)   the stage of larva 

(c)   Both ‘a’ and ‘b’ 

(d)  None of these

Best Answer

(a)      A cocoon is a soft covering that an insect spins with silky threads to protect itself. The thread is formed by the hardening of a liquid secreted by the insect. When the silkworm is fully grown, it is placed on some straw or small bushes on which it can make its cocoon

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