Q. No.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 correct answer from the options given below:
| Assertion (A): | Hemichordates are not chordates. |
| Reason (R): | They do not have a notochord. |
| 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: Â Phylum Hemichordata |Â Phylum Chordata |
 86%
From NCERT
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes
| COLUMN I | COLUMN II | ||
| A. | Petromyzon | P | A jawless vertebrate |
| B. | Icthyophis | Q | A limbless amphibian |
| C. | Struthio | R | A flightless bird |
Codes
| A | B | C | |
| 1. | Q | R | P |
| 2. | Q | P | R |
| 3. | P | Q | R |
| 4. | P | R | Q |
Subtopic: Â Phylum Chordata |Â Comparative study of Cartilagenous & Bony Fishes |Â Study of Amphibians |Â Study of Aves & Mammals |
 88%
From NCERT
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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. |
| 1. | (A) is False but (R) is True. |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | Both (A) and (R) are True and (R) does not correctly explain (A). |
| 4. | (A) is True but (R) is False. |
Subtopic: Â Phylum Chordata |
 74%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch - Vital
Given below are two statements.
In light of the above statements, choose the most appropriate answer from the options given below.
1. Both statement I and statement II are true
2. Both statement I and statement II are false
3. Statement I is correct but statement II is false
4. Statement I is incorrect but statement II is true
| Statement I: | All chordates are vertebrates. |
| Statement II: | All the vertebrates are chordates but all the chordates are not vertebrates. |
In light of the above statements, choose the most appropriate answer from the options given below.
1. Both statement I and statement II are true
2. Both statement I and statement II are false
3. Statement I is correct but statement II is false
4. Statement I is incorrect but statement II is true
Subtopic: Â Phylum Chordata |
 84%
From NCERT
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Match items in column-I with those in column-II and choose the correct option.
| Column-I | Column-II | ||
| A. | Cyclostomata | (i) | Mouth without jaws |
| B. | Chondrichthyes | (ii) | Exclusively oviparous |
| C. | Aves | (iii) | Gills without operculum |
| D. | Mammalia | (iv) | Unique in possessing hair |
| A | B | C | D | |
| 1. | (i) | (ii) | (iii) | (iv) |
| 2. | (ii) | (iii) | (iv) | (i) |
| 3. | (i) | (iii) | (ii) | (iv) |
| 4. | (ii) | (i) | (iv) | (iii) |
Subtopic: Â Phylum Chordata |Â Comparative study of Cartilagenous & Bony Fishes |Â Study of Aves & Mammals |
 88%
From NCERT
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Match column-I with column-II and choose the correct option.
| Column I | Column II | ||
| a. | Asterias | (i) | Notochord in larval tail |
| b. | Balanoglossus | (ii) | Spiny body |
| c. | Ascidia | (iii) | Cloaca present |
| d. | Hyla | (iv) | Worm-like marine animal |
| a | b | c | d | |
| 1. | (i) | (ii) | (iii) | (iv) |
| 2. | (iv) | (ii) | (iii) | (i) |
| 3. | (ii) | (iii) | (iv) | (i) |
| 4. | (ii) | (iv) | (i) | (iii) |
Subtopic: Â Phylum Echinodermata |Â Phylum Hemichordata |Â Phylum Chordata |Â Study of Amphibians |
 90%
From NCERT
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Match column -I with column-II and choose the correct option:
| Column-I | Column-II | ||
| a. | Three-chambered heart with one incompletely divided ventricle | (i) | Myxine |
| b. | Jawless vertebrate with a cartilaginous vertebral column | (ii) | Chaetopleura |
| c. | Soft, unsegmented body and has a structure that helps in both respiration and excretion | (iii) | Calotes |
| d. | Ventral mouth, gills without operculum, and skin with placoid scales | (iv) | Scoliodon |
| 1. | a(i), b(ii), c(iii), d(iv) |
| 2. | a(iv), b(iii), c(ii), d(i) |
| 3. | a(ii), b(iv), c(i), d(iii) |
| 4. | a(iii), b(i), c(ii), d(iv) |
Subtopic: Â Phylum Mollusca |Â Phylum Chordata |Â Comparative study of Cartilagenous & Bony Fishes |Â Study of Reptilia |
 86%
From NCERT
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Read the following statements (a to d) and choose the option which states them as True (T) or False (F) correctly
| (a) | All vertebrates are chordates but all chordates are not vertebrates |
| (b) | All vertebrates have paired appendages which may be fins or limbs |
| (c) | All vertebrates bear jaw |
| (d) | All aquatic animals which bear fins are placed in superclass Pisces |
| a | b | c | d | |
| 1. | T | F | F | F |
| 2. | T | T | F | F |
| 3. | T | F | F | T |
| 4. | T | F | T | T |
Subtopic: Â Phylum Chordata |
From NCERT
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Match items in column-I with those in column-II and choose the correct option:
1. a(i), b(ii), c(iii), d(iv)
2. a(iii), b(iv), c(ii), d(i)
3. a(iii), b(i), c(iv), d(ii)
4. a(iii), b(ii), c(i), d(iv)
| Column-I | Column-II | ||
| a. | Planaria | (i) | Indirect development |
| b. | Ctenoplana | (ii) | Gills are covered by an operculum on each side |
| c. | Petromyzon | (iii) | Possess high regeneration capacity |
| d. | Exocoetus | (iv) | Migrates for spawning to freshwater |
1. a(i), b(ii), c(iii), d(iv)
2. a(iii), b(iv), c(ii), d(i)
3. a(iii), b(i), c(iv), d(ii)
4. a(iii), b(ii), c(i), d(iv)
Subtopic: Â Phylum Ctenophora |Â Phylum Chordata |Â Comparative study of Cartilagenous & Bony Fishes |
 91%
From NCERT
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Match column-I with column-II and choose the correct option
| Column -I | Column-II | ||
| A. | Protochordates | (i) | Homoiothermous |
| B. | Aves | (ii) | Circular mouth without jaws |
| C. | Agnatha | (iii) | Exclusively marine |
| D. | Pisces | (iv) | Streamlined body and bear fins |
| A | B | C | D | |
| 1. | (i) | (ii) | (iv) | (iii) |
| 2. | (iii) | (i) | (ii) | (iv) |
| 3. | (iv) | (i) | (iii) | (ii) |
| 4. | (iv) | (iii) | (ii) | (i) |
Subtopic: Â Phylum Chordata |Â Super Class Pisces & its General Characteristics |
 91%
From NCERT
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