- 1(current)
Q. No.Consider the given statements:
The number of correct statements is:
| I: | Annelids are metamerically segmented animals with a true coelom. |
| II: | Arthropods are the most abundant group of animals characterised by the presence of jointed appendages. |
| III: | Molluscs have a soft body surrounded by an external calcareous shell. |
| IV: | Echinoderms possess a spiny skin. |
| V: | Hemichordates are fresh water animals. |
| 1. | 2 | 2. | 3 |
| 3. | 4 | 4. | 5 |
Subtopic: Â Phylum Annelida |Â Phylum Arthropoda |Â Phylum Mollusca |Â Phylum Echinodermata |Â Phylum Hemichordata |
 73%
Level 2: 60%+
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How do members of hemichordates resemble chordates?
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | The body is segmented metamerically. |
| II: | The symmetry is bilateral and they have a true coelom |
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Â Phylum Hemichordata |Â Phylum Chordata |
 66%
Level 2: 60%+
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Hints
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Consider the given two statements:
| Assertion (A): | Protochordates and Hemichordates are not chordates. |
| Reason(R): | In protochordates, the notochord is not present throughout their life, while in hemichordates, notochord is not present at all. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True and (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is False |
Subtopic: Â Phylum Hemichordata |Â Phylum Chordata |
 69%
Level 2: 60%+
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- 1(current)
Q. No.
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