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Q. No.Consider the given two statements.
Statement I:
The only vertebrates with jointed appendages are the insects.
Statement II:
The only invertebrates capable of flight are the insects.
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
Subtopic: Phylum Arthropoda |
57%
Level 3: 35%-60%
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Consider the given two statements regarding the characteristics of the members of phylum Chordata.
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
| Statement I: | Chordates have a dorsal hollow nerve cord that lies dorsal to the notochord. |
| Statement II: | Chordates have a pharynx with gill slits. |
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
Subtopic: Phylum Chordata |
73%
Level 2: 60%+
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Which of the following will be true for birds?
1. Only I
2. Only III and IV
3. Only I and III
4. Only II and IV
| I: | All birds have feathers. |
| II: | All birds can fly. |
| III: | Only birds are warm blooded. |
| IV: | Only birds are oviparous and have direct development as well. |
2. Only III and IV
3. Only I and III
4. Only II and IV
Subtopic: Study of Aves & Mammals |
77%
Level 2: 60%+
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Which of the following differentiates bony fishes from the cartilaginous fishes?
| A: | Presence of a swim bladder in bony fishes. |
| B: | A gill cover or operculum in cartilaginous fishes. |
1. Only A is true.
2. Only B is correct.
3. Both A and B are correct.
4. Both A and B are incorrect.
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
71%
Level 2: 60%+
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Which of the following will be incorrect regarding Echinoderms?
| 1. | The adults are radially symmetrical while the larvae are bilaterally symmetrical. |
| 2. | Water vascular system is characteristically present. |
| 3. | They have an endoskeleton. |
| 4. | A highly developed excretory system is present. |
Subtopic: Phylum Echinodermata |
89%
Level 1: 80%+
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How many of the given statements are correct?
1. 2
2. 3
3. 4
4. 5
| I. | Cartilaginous fishes have cycloid or ctenoid scales. |
| II. | An air bladder is present in bony fishes. |
| III. | Amphibians have three-chambered heart. |
| IV. | Reptiles have dermal scales. |
| V. | Birds are warm-blooded. |
2. 3
3. 4
4. 5
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Study of Amphibians | Study of Reptilia | Study of Aves & Mammals |
Level 3: 35%-60%
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Which group of animals belong to the same phylum?
| 1. | Portuguese men-of-war, sea anemone, and brain coral. |
| 2. | Tapeworm, roundworm, and hookworm. |
| 3. | Pearl oyster, devil fish, and flying fish. |
| 4. | Sea urchin, sea cucumber, and sea pen. |
Subtopic: Phylum Coelenterata |
84%
Level 1: 80%+
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Identify the incorrect statement:
| 1. | A cnidoblast is seen in Cnidaria |
| 2. | Bioluminescence is well developed in some Ctenophores |
| 3. | Protonephridia are excretory and osmoregulatory structures in flatworms |
| 4. | Nematodes have a true coelom |
Subtopic: Phylum Coelenterata | Phylum Ctenophora | Phylum Aschelminthes |
80%
Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | Protochordates and Hemichordates are not chordates. |
| Reason(R): | In protochordates, the notochord is not present throughout their life, while in hemichordates, notochord is not present at all. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True and (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is False |
Subtopic: Phylum Hemichordata | Phylum Chordata |
69%
Level 2: 60%+
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Why are crocodiles not considered warm-blooded despite having a four-chambered heart?
| 1. | They lack the ability to internally regulate their body temperature. |
| 2. | Their four-chambered heart is not efficient in thermoregulation. |
| 3. | They are warm-blooded, but their temperature regulation is different from mammals. |
| 4. | The four-chambered heart is only related to oxygenation of blood, not temperature regulation. |
Subtopic: Study of Reptilia |
66%
Level 2: 60%+
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