CSS :: Phylum Echinodermata
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| 11. |
Excretory organs are totally absent in: |
| A. |
Echinoderms |
B. |
Arthropods |
| C. |
Molluscs |
D. |
Nematodes |
Answer: Option A
Explanation:
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| 12. |
Which of these animals respires through papullae: |
| A. |
Star-fish |
B. |
Hydra |
| C. |
Prawn |
D. |
Cockroach |
Answer: Option A
Explanation:
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| 13. |
Tube feet in star-fish are used for: |
| A. |
Locomotion |
B. |
Food capturing |
| C. |
Both of these |
D. |
None of these |
Answer: Option C
Explanation:
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| 14. |
Pest of pearl-osyster is: |
| A. |
Star-fish |
B. |
Crab |
| C. |
Fish |
D. |
None of these |
Answer: Option A
Explanation:
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| 15. |
Water vascular system is present in: |
| A. |
Echinoderms |
B. |
Molluscs |
| C. |
Nematodes |
D. |
Arthropods |
Answer: Option A
Explanation:
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| 16. |
Water vascular system of coelomic canals is found in: |
| A. |
Sponges |
B. |
Metridium |
| C. |
Star-fish |
D. |
None of these |
Answer: Option C
Explanation:
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| 17. |
There are no copulatory organs in: |
| A. |
Star-fish |
B. |
Cockroach |
| C. |
Ascaris |
D. |
Mosquito |
Answer: Option A
Explanation:
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| 18. |
Madreporite is present in: |
| A. |
Star-fish |
B. |
Ascaris |
| C. |
Hydra |
D. |
House-fly |
Answer: Option A
Explanation:
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| 19. |
Sea-cucumber belongs to: |
| A. |
Anmelida |
B. |
Arthropoda |
| C. |
Millusca |
D. |
None of these |
Answer: Option D
Explanation:
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| 20. |
Forcep-like pedicellarie are used in star-fish for: |
| A. |
Locomotion |
B. |
Copulation |
| C. |
Food capture and cleaning body |
D. |
Excretion of wastes by the animal |
Answer: Option C
Explanation:
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