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| 21. |
Haemoglobin is dissolved in the blood of: |
| A. |
Earthworm |
B. |
Cockroach |
| C. |
Hydra |
D. |
Sponge |
Answer: Option A
Explanation:
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| 22. |
Excretion by nephridia occurs in: |
| A. |
Porifera |
B. |
Cnidaria |
| C. |
Annelida |
D. |
None of these |
Answer: Option C
Explanation:
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| 23. |
Trocophore larva occurs in the life cycle of: |
| A. |
Neries |
B. |
Obelia |
| C. |
Cockroach |
D. |
Aurelia |
Answer: Option A
Explanation:
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| 24. |
Dissolved haemoglobin is found in the plasma of: |
| A. |
Sponges |
B. |
Cnidarians |
| C. |
Arthropods |
D. |
Earthworms |
Answer: Option D
Explanation:
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| 25. |
Blood pigment in earthworms is: |
| A. |
Haemoglobin |
B. |
Haemocyanin |
| C. |
Haemin |
D. |
Cyanin |
Answer: Option A
Explanation:
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| 26. |
Blood is red but there are no RBCs in: |
| A. |
Earthworms and leeches |
B. |
Cockroaches |
| C. |
Rabbit |
D. |
Birds |
Answer: Option A
Explanation:
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| 27. |
Tube dwelling annelids respire through: |
| A. |
Lungs |
B. |
Gills |
| C. |
Buccal chamber |
D. |
Skin |
Answer: Option B
Explanation:
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| 28. |
Earthworms are: |
| A. |
Monoecious |
B. |
Dioecious |
| C. |
Unisexual |
D. |
With separate sexes |
Answer: Option A
Explanation:
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| 29. |
Leeches are: |
| A. |
Unisexual |
B. |
Dioecious |
| C. |
Monoecious |
D. |
None of these |
Answer: Option C
Explanation:
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| 30. |
Clitellum in earthworm includes: |
| A. |
Segments 14, 15, 16 |
B. |
Segments 5, 6, 7, 8 |
| C. |
Segments 33, 34, 35 |
D. |
Segments 16, 17, 18 |
Answer: Option A
Explanation:
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