- 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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