Paurometabolous Development in Cockroach

Q. How many segments are present in the abdomen of cockroach?

Q. In the paurometabolous development of a cockroach, the nymph undergoes ____ moults to become an adult.

1. 9
2. 11
3. 13
4. 14

Q. What are external changes visible after the last molt of a cockroach nymph?

1. Mandibles become harder
2. Anal cerci develop
3. Both fore wings and hind wings develop
4. Labium develops