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Q. No.On what basis are animals classified in the animal kingdom?
1. Presence or absence of a coelom.
2. Type of respiratory system.
3. Habitat and niche.
4. Color and size of the animal.
Subtopic: Basis of Classification |
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Consider the given two statements:
| Assertion (A): | Echinoderms have a water vascular system. |
| Reason (R): | The water vascular system is used for locomotion, capturing food, and respiration. |
| 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 Echinodermata |
58%
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Which statement accurately describes a feature of amphibians?
| 1. | Amphibians are exclusively terrestrial and breathe through lungs. |
| 2. | Amphibians undergo metamorphosis from a larval stage to an adult form. |
| 3. | Amphibians have scales and typically lay amniotic eggs. |
| 4. | All amphibians have a four-chambered heart. |
Subtopic: Study of Amphibians |
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Consider the given two statements:
| Assertion (A): | Roundworms are considered pseudocoelomates. |
| Reason (R): | They have a body cavity not lined with mesoderm. |
| 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 | Basis of Classification |
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Which statement correctly relates to body symmetry with examples in the animal kingdom?
| 1. | Radial symmetry is found in annelids, allowing them to move in any direction. |
| 2. | Bilateral symmetry is present in cnidarians like jellyfish. |
| 3. | Bilateral symmetry is characteristic of vertebrates like humans, allowing for directional movement. |
| 4. | Asymmetry is commonly seen in vertebrates, providing varied evolutionary advantages. |
Subtopic: Basis of Classification |
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Which of the following statements is incorrect about the phylum Arthropoda?
| 1. | Arthropods have an open circulatory system. |
| 2. | Arthropods exhibit bilateral symmetry. |
| 3. | All arthropods possess jointed appendages. |
| 4. | Arthropods possess a segmented body plan with a pseudocoelom. |
Subtopic: Phylum Arthropoda |
95%
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Which of the following characteristics is used as a basis for the classification of animals into different phyla?
1. Presence of feathers
2. Mode of reproduction
3. Type of respiratory system
4. Body plan and symmetry
1. Presence of feathers
2. Mode of reproduction
3. Type of respiratory system
4. Body plan and symmetry
Subtopic: Basis of Classification |
92%
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Consider the given two statements:
| Assertion (A): | Echinoderms are exclusively marine animals. |
| Reason (R): | Echinoderms have a water vascular system that functions in locomotion, feeding, and respiration. |
| 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. | (A) is False but (R) is True. |
Subtopic: Phylum Echinodermata |
77%
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Consider the given two statements:
| Assertion (A): | Cnidarians have a body plan based on a gastrovascular cavity. |
| Reason (R): | Cnidarians are diploblastic animals. |
| 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. | (A) is False but (R) is True. |
Subtopic: Phylum Coelenterata |
66%
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Consider the given two statements:
| Assertion (A): | The swim bladder is an essential organ for bony fishes. |
| Reason (R): | It allows them to maintain buoyancy without expending energy. |
| 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. | (A) is False but (R) is True. |
Subtopic: Comparative study of Cartilagenous & Bony Fishes |
93%
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