Q. No.Given below are two statements.
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
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 |
 83%
From NCERT
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Match items in column-I with those in column-II and choose the correct option.
A B C D
1. (i) (ii) (iii) (iv)
2. (ii) (iii) (iv) (i)
3. (i) (iii) (ii) (iv)
4. (ii) (i) (iv) (iii)
| 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 |
 87%
From NCERT
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Match column-I with column-II and choose the correct option.
a b c d
1. (i) (ii) (iii) (iv)
2. (iv) (ii) (iii) (i)
3. (ii) (iii) (iv) (i)
4. (ii) (iv) (i) (iii)
| 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:
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)
| 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 & Platyhelminthes |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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Assertion (A): All vertebrates are chordates but all chordates are not vertebrates
Reason (R): Protochordates are chordates in which vertebral column is absent throughout their life
In the light of above statements choose the correct answer from the options given below
1. Both (A) and (R) are true but (R) is not the correct explanation of (A)
2. Both (A) and (R) are true but (R) is the correct explanation of (A)
3. (A) is true but (R) is false
4. (A) is false but (R) is true
Reason (R): Protochordates are chordates in which vertebral column is absent throughout their life
In the light of above statements choose the correct answer from the options given below
1. Both (A) and (R) are true but (R) is not the correct explanation of (A)
2. Both (A) and (R) are true but (R) is the correct explanation of (A)
3. (A) is true but (R) is false
4. (A) is false but (R) is true
Subtopic: Â Phylum Chordata |
From NCERT
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Assertion(A): The primary character of chordates is the presence of a dorsal hollow nerve cord.
Reason(R): Vertebral column is derived from the 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.
Reason(R): Vertebral column is derived from the 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 Chordata |
 78%
From NCERT
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Assertion (A): Respiration occurs through the general body surface in Cephalochordates.
Reason (R): Digestive tract is incomplete in Cephalochordates.
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.
Reason (R): Digestive tract is incomplete in Cephalochordates.
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 Chordata |
 59%
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