Anal cerci in Periplaneta americana:
1. | are present in the 9th segment in both sexes |
2. | are present only in males |
3. | are present in the 10th segment in both sexes |
4. | are present only in females |
Which of the following is not a part of female cockroach reproductive system?
1. Oviduct
2. Spermathecae
3. Seminal vesicles
4. Ovarioles
1. | Paurometabolous with nymph moulting about 13 times to reach the adult form and the next to last nymphal stage has wing pads. |
2. | Paurometabolous with nymph moulting about 13 times to reach the adult form and the next to last nymphal stage has wings. |
3. | Holometabolous with nymph moulting about 13 times to reach the adult form and the next to last nymphal stage has wing pads. |
4. | Holometabolous with nymph moulting about 13 times to reach the adult form and the next to last nymphal stage has wings. |