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Q. No.Read the following statements and choose the correct option.
Statement A:
Reptiles have a 3-chambered heart, except crocodiles which have a 2-chambered heart.
Statement B:
Superclass Pisces shows single circulation as opposed to class Aves which shows double circulation.
1. Both statements are incorrect.
2. Only statement A is correct.
3. Only statement B is correct.
4. Both statements are correct.
Subtopic: Study of Reptilia |
77%
From NCERT
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Match Column-I with Column-II and select the correct option:
1. a(iv), b(iii), c(i), d(ii)
2. a(ii), b(i), c(iii), d(v)
3. a(iii), b(iv), c(i), d(ii)
4. a(iii), b(iv), c(v), d(ii)
| Column- I | Column-II | ||
| a. | Pennatula | (i) | Sea-lily |
| b. | Gorgonia | (ii) | Sea-hare |
| c. | Antedon | (iii) | Sea-pen |
| d. | Aplysia | (iv) | Sea-fan |
| (v) | Sea-urchin |
1. a(iv), b(iii), c(i), d(ii)
2. a(ii), b(i), c(iii), d(v)
3. a(iii), b(iv), c(i), d(ii)
4. a(iii), b(iv), c(v), d(ii)
Subtopic: Phylum Coelenterata |
81%
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Match the following features to the animals. Which is the correct combination?
(i) Open circulatory system
(ii) Closed circulatory system
(iii) Earthworm
(iv) Malpighian tubules
(v) Nephridia
(vi) Cockroach
1. (i), (iii), (iv) and (ii), (v), (vi)
2. (i), (iv), (vi) and (ii), (iii), (v)
3. (i), (iii), (v) and (ii), (iv), (vi)
4. (i), (v), (vi) and (ii), (iii), (iv)
(i) Open circulatory system
(ii) Closed circulatory system
(iii) Earthworm
(iv) Malpighian tubules
(v) Nephridia
(vi) Cockroach
1. (i), (iii), (iv) and (ii), (v), (vi)
2. (i), (iv), (vi) and (ii), (iii), (v)
3. (i), (iii), (v) and (ii), (iv), (vi)
4. (i), (v), (vi) and (ii), (iii), (iv)
Subtopic: Phylum Annelida | Phylum Arthropoda |
75%
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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: Phylum Chordata |
77%
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| Assertion (A): | The phylum Aschelminthes represent pseudocoelomates |
| Reason (R): | In Aschelminthes, mesoderm is present as scattered pouches in between ectoderm and endoderm |
| 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: Phylum Aschelminthes |
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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: Phylum Chordata |
59%
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Assertion (A) : Birds possess moist skin.
Reason (R) : Birds possess oil glands throughout their body.
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) : Birds possess oil glands throughout their body.
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: Super Class Pisces & its General Characteristics |
76%
From NCERT
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Assertion (A) : The scales of reptiles and fishes are similar in origin.
Reason (R) : All the chordates lack kidneys.
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) : All the chordates lack kidneys.
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: Study of Reptilia | Study of Aves & Mammals |
67%
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Assertion (A) : Tapeworms absorb digested food by its body surface.
Reason (R) : Tapeworms possess digestive organs.
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) : Tapeworms possess digestive organs.
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: Phylum Ctenophora & Platyhelminthes |
63%
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Assertion (A) : All birds, except the ones like koel (cuckoo), build nests for retiring and taking rest during night time.
Reason (R) : Koel lays its eggs in the nests of tailor bird.
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) : Koel lays its eggs in the nests of tailor bird.
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: Study of Aves & Mammals |
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