A) shell gland
B) mushroom gland
C) conglobate gland
D) collaterial glands
Correct Answer: D
Solution :
In cockroach, a pair of collaterial glands lies behind and above the ovaries. Left gland is opaque and more developed while right one is transparent and less developed. Secretion of two collaterial glands forms the hard egg case or ootheca around the groups of fertilized eggs.
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