Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Exoskeleton of cockroach is (1) made of bones (2) chitinous (3) secreted by hair cells (4) secreted by epidermal cellsA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: C
Solution :
Exoskeleton of cockroach is chitinous and secreted by epidermal cells.
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