Paurometabolous Development in Cockroach

Q.

The next to last nymphal stage is without:

1. legs

2. wings

3. wing pads

4. compound eyes

Q.

Development of cockroach is:

1. Without metamorphosis

2. Holometabolous

3. Paurometabolous

4. Complete metamorphosis

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

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

Q. Which of the following is incorrect about Periplaneta americana?

1. The nymph undergoes moulting almost 10 times to become an adult
2. Fertilized eggs are encased in ootheca
3. Food is ground by mandibles and gizzard
4. Anterior aorta is the single large blood vessel

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 external changes are visible after the last moult of a cockroach nymph?

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

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. Which of the following is incorrect about Periplaneta americana?

1. Fertilized eggs are encased in ootheca
2. Food is ground by mandibles and gizzard
3. The nymph undergoes moulting almost 10 times to become an adult
4. Anterior aorta is the single large blood vessel

Q.

The next to last nymphal stage is without:

1. Wings

2. Legs

3. Wing pads

4. Compound eyes

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