The genital pouch in the female cockroach does not have:
1. Gonopore
2. Phallomeres
3. Collateral glands opening
4. Spermethecal pores
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 |
Match the following with reference to cockroach and choose the correct option:
A. | Phallomere | i. | Chain of developing ova |
B. | Gonopore | ii. | Bundles of sperm |
C. | Spermatophore | iii. | Opening of the ejaculatory duct |
D. | Ovarioles | iv. | The external genitalia |
A | B | C | D | |
1. | iii | iv | ii | i |
2. | iv | iii | ii | i |
3. | iv | ii | iii | i |
4. | ii | iv | iii | i |
Which of the following statements is incorrect?
1. | Cockroaches exhibit mosaic vision with less sensitivity and more resolution |
2. | A mushroom-shaped gland is present in the 6th-7th abdominal segments of male |
3. | A pair of spermatheca is present in the 6th segment of female cockroach |
4. | Female cockroach possesses sixteen ovarioles in the ovaries |
Which of the following is not a part of female cockroach reproductive system?
1. Oviduct
2. Spermathecae
3. Seminal vesicles
4. Ovarioles
The fertilized eggs of cockroach are encased in capsules called:
1. | Oothecae | 2. | Spermathecae |
3. | Spermatophores | 4. | Ovarioles |
The genital pouch in female cockroach is formed by:
1. 7th, 8th and 9th tergites
2. 7th, 8th and 9th sternites
3. 8th, 9th and 10th tergites
4. 8th, 9th and 10th sternites
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. |
Identify the incorrectly matched pair regarding reproductive structures in Periplaneta americana:
|
Structure |
Body segment |
1. |
Testes |
4th – 6th abdominal |
2. |
Ovaries |
4th – 6th abdominal |
3. |
Mushroom gland |
6th – 7th abdominal |
4. |
Spermatheca |
6th abdominal |