- 1(current)
Q. No.
The presence of anal styles distinguishes male cockroaches from females. It is present on :
1. Ninth tergite
2. Ninth sternite
3. Tenth tergite
4. Tenth sternite
Which of the following statement is incorrect with respect to cockroach?
| 1. | Head of cockroach is hypognathous and is formed by the fusion of six segments |
| 2. | A pair of wings which arise from mesothorax are thick and leathery |
| 3. | Body of cockroach is covered with a thick, hard, chitinous cuticle |
| 4. | The segment of male and female cockroach bear anal style |
Which one of the following is the true description of an animal concerned?
| 1. | Cockroach – 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen) |
| 2. | Earthworm – The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard, and intestine |
| 3. | Frog – Body divisible into three regions -head, neck, and trunk |
| 4. | Rat – Left kidney is slightly higher in position than the right one |
Match each item in Column I with one item in Column II regarding anatomy of cockroach and choose your answer from the codes given below.
|
Column I (structure) |
Column II (abdominal segment) |
|
I. Testes II. Ovaries III. Spermatheca IV. Mushroom gland |
1. 2nd to 6th 2. 4th to 6th 3. 6th 4. 6th - 7th |
Codes:
I II III IV
1. 1 2 3 4
2. 2 1 4 3
3. 2 1 3 4
4. 1 2 4 3
- 1(current)
Q. No.
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