- 1(current)
Q. No.Which of the following features will be seen in chordates but not in non-chordates?
| a. | A notochord |
| b. | Ventral, solid, and double central nervous system |
| c. | Pharynx perforated by gill slits |
| d. | Ventral heart |
| e. | Terminal anus and a lack of post-anal tail |
| 1. | a, c, and d only | 2. | a, b. and e only |
| 3. | a and c only | 4. | b, c, and d only |
Subtopic: Â Phylum Chordata |
 81%
From NCERT
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Consider the given statements:
Which of the given statements is/ are true?
1. Only Statement I and Statement II
2. Only Statement I and Statement III
3. Only Statement II and Statement III
4. Statement I, Statement II, and Statement III
| Statement I: | In Urochordata, notochord is present only in larval tail. |
| Statement II: | In Cephalochordata, notochord extends from head to tail region and is persistent throughout their life. |
| Statement III: | Both Urochordates and Cephalochordates are exclusively marine. |
1. Only Statement I and Statement II
2. Only Statement I and Statement III
3. Only Statement II and Statement III
4. Statement I, Statement II, and Statement III
Subtopic: Â Phylum Chordata |
 81%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Consider the two statements:
| Statement I: | All vertebrates are chordates but all chordates are not vertebrates. |
| Statement II: | Besides the basic chordate features, all vertebrates have at least a three-chambered heart and paired appendages. |
| 1. | Both Statement I and Statement II are correct but Statement II does not explain Statement I. |
| 2. | Statement I is correct and Statement II is incorrect. |
| 3. | Both Statement I and Statement II are incorrect. |
| 4. | Both Statement I and Statement II are correct and Statement II explains Statement I. |
Subtopic: Â Phylum Chordata |
 73%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
- 1(current)
Q. No.
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