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| 1. |
Nematodes are characterized by the presence of: |
| A. |
True coelom |
B. |
Pseudocoel |
| C. |
Segmentation |
D. |
None of these |
Answer: Option B
Explanation:
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| 2. |
Which of these is not a hermaphrodite animal: |
| A. |
Earthworm |
B. |
Tapeworm |
| C. |
Ascaris |
D. |
Hydra |
Answer: Option C
Explanation:
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| 3. |
Beneath the cuticle in Ascaris is found a hypodermis which is: |
| A. |
Columnar |
B. |
Syncitial |
| C. |
Ciliated |
D. |
Cuboidal |
Answer: Option B
Explanation:
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| 4. |
Ascaris is a : |
| A. |
Free living organism |
B. |
Ectoparasite of man |
| C. |
Endoparasite of mosquito |
D. |
Endoparasite of man |
Answer: Option D
Explanation:
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| 5. |
Which of these parasites has no intermediate host: |
| A. |
Liver-fluke |
B. |
Tape-worm |
| C. |
Ascaris |
D. |
None of these |
Answer: Option C
Explanation:
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| 6. |
Ascaris is: |
| A. |
Unisexual |
B. |
Hermaphrodite |
| C. |
Monoecious |
D. |
None of these |
Answer: Option A
Explanation:
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| 7. |
Coenocytic epidermis is found in: |
| A. |
Earthworm |
B. |
Leech |
| C. |
Ascaris |
D. |
None of these |
Answer: Option C
Explanation:
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| 8. |
The cuticle of Ascaris is: |
| A. |
Thick |
B. |
Thick and protective |
| C. |
Thick, protective and resistant to host's digestive justices |
D. |
Thin cellular and permeable to various substances in the environment of host |
Answer: Option C
Explanation:
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| 9. |
Special modification of Ascaris to its parasitic node of life is: |
| A. |
Segmented body |
B. |
Resistant cuticle on body surface |
| C. |
Straight and uncoiled alimentary canal |
D. |
None of these |
Answer: Option B
Explanation:
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| 10. |
With reference to parasitism, the round worm (Ascaris) may be regarded as specialized animal and not a degenerated one because of the fact that it is: |
| A. |
Dioecious animal |
B. |
Having no respiratory system |
| C. |
Provided with a tough and resistant cuticle |
D. |
Provided with straight alimentary canal with mouth and anus |
Answer: Option A
Explanation:
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