Metamorphosis of insects is regulated through hormone [CBSE PMT 1991; – McqOptions

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1.	Metamorphosis of insects is regulated through hormone [CBSE PMT 1991; Pb. PMT 1999; BHU 1998, 2001; RPMT 1998]
A.	Pheromone
B.	Thyroxine
C.	Ecdysone
D.	All the above
Answer» D. All the above

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