- 1(current)
Q. No.Select the correct statements with reference to chordates.
Choose the correct answer from the options given below:
| A. | Presence of a mid-dorsal, solid and double nerve cord. |
| B. | Presence of closed circulatory system. |
| C. | Presence of paired pharyngeal gill slits |
| D. | Presence of dorsal heart. |
| E. | Triploblastic pseudocoelomate animals. |
Choose the correct answer from the options given below:
| 1. | C, D and E only | 2. | A, C and D only |
| 3. | B and C only | 4. | B, D and E only |
Subtopic: Â Phylum Chordata |
 79%
From NCERT
NEET - 2023
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R)
In the light of the above statements, choose the most appropriate answer from the options given below:
| Assertion (A): | All vertebrates are chordates but all chordates are not vertebrates. |
| Reason (R): | Notochord is replaced by vertebral column in the adult vertebrates. |
In the light of the above statements, choose the most appropriate answer from the options given below:
| 1. | (A) is not correct but (R) is correct. |
| 2. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |
| 4. | (A) is correct but (R) is not correct. |
Subtopic: Â Phylum Chordata |
 75%
From NCERT
NEET - 2022
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Which one of the following features are not true for chordates?
(a) Heart is dorsal.
(b) Pharynx is perforated by gill slits.
(c) Central nervous system is ventral, solid and single.
(d) Post-anal tail is present.
(e) Notochord is present.
Choose the most appropriate answer from the option give below:
| 1. (e) only | 2. (a), (d) and (c) only |
| 3. (b) and (c) only | 4. (a) and (c) only |
Subtopic: Â Phylum Chordata |Â Comparative study of Cartilagenous & Bony Fishes |
 69%
From NCERT
NEET - 2022
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Which of the following statements are true for the phylum-Chordata?
| a. | In Urochordata, notochord extends from head to tail and is present throughout their life |
| b. | In Vertebrata, notochord is present during the embryonic period only |
| c. | Central nervous system is dorsal and hollow |
| d. | Chordata is divided into 3 sub-phyla : Hemichordata, Tunicata and Cephalochordata |
1. (c) and (a)
2. (a) and (b)
3. (b) and (c)
4. (d) and (c)
Subtopic: Â Phylum Chordata |
 66%
From NCERT
NEET - 2020
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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All vertebrates are chordates but all chordates are not vertebrates, why?
| 1. | Notochord is replaced by a vertebral column in the adult of some chordates. |
| 2. | The ventral hollow nerve cord remains throughout life in some chordates. |
| 3. | All chordates possess a vertebral column. |
| 4. | All chordates possess notochords throughout their life. |
Subtopic: Â Phylum Chordata |
 81%
From NCERT
NEET - 2020
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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- 1(current)
Q. No.
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