23. The larvae of cockroach is called :

(A) Caterpillar

(B) Nymph

(C) Maggot

(D) Grub

Ans. (B) Nymph

Cockroaches develop through a process called gradual metamorphosis. In this process, the immature roaches look almost like the mature roaches. This process has three stages: egg, nymph, and adult.