- 1(current)
Q. No.Which one of the following has an open circulatory system?
1. Pheretima
2. Periplaneta
3. Hirudinaria
4. Octopus
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Which of the following statements is correct regarding cockroach?
1. Compound eye is also called as ocellus
2. Spiracle helps in excretion
3. Phallomere is present in female cockroach
4. Ventral nerve cord
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Match the following columns with reference to cockroach and select the correct option :
| Column - I | Column - II | ||
| (a) | Grinding of the food particles | (i) | Hepatic caeca |
| (b) | Secrete gastric juice | (ii) | 10th segment |
| (c) | 10 pairs | (iii) | Proventriculus |
| (d) | Anal cerci | (iv) | Spiracles |
| (v) | Alary muscles |
| (a) | (a) | (a) | (a) | |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (iv) | (iii) | (v) | (ii) |
| 3. | (i) | (iv) | (iii) | (ii) |
| 4. | (ii) | (iii) | (i) | (iv) |
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The terga, sterna and pleura of cockroach body are joined by :
1. Muscular tissue
2. Arthrodial membrane
3. Cartilage
4. Cementing glue
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In Periplaneta americana, the tegmina arise from the:
1. Head capsule
2. Prothorax
3. Mesothorax
4. Metathorax
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- 1(current)
Q. No.
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