- 1(current)
Q. No.Consider the given two statements:
| Assertion (A): | Echinoderms have a water vascular system. |
| Reason (R): | The water vascular system is used for locomotion, capturing food, and respiration. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Phylum Echinodermata |
63%
Level 2: 60%+
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Diagrams (A, B, C and D) of four different animals are given below. Which one of the following option identifies the animal, its phylum and one of its characters correctly ?
| Animal | Phylum | Character | |
| B | Rana | Amphibia | 3 – chambered heart |
| C | Asterias | Echinodermata | Water canal system |
| A | Aurelia | Coelenterata | Cnidoblast cells |
| D | Naja | Chordata | Non-poisonous snake |
1. B
2. C
3. A
4. D
Subtopic: Phylum Coelenterata | Phylum Echinodermata | Phylum Chordata | Study of Amphibians |
Level 3: 35%-60%
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Q. No.
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