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Q. No.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 |
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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.
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 |
89%
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | All members of Animalia are multicellular. |
| Statement II: | All members of Animalia exhibit the same pattern of organisation of cells. |
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Basis of Classification |
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Consider the given two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but Statement II is incorrect.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is incorrect but Statement II is correct.
| Statement I: | Sponges exhibit a cellular level of organization. |
| Statement II: | Cnidarians have a tissue level of organization. |
1. Statement I is correct but Statement II is incorrect.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic: Phylum Porifera |
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Annelids, Arthropods, Molluscs, Echinoderms and Chordates are all:
I: eucoelomates [having true coelom].
II: animals having organ system level of organisation.
I: eucoelomates [having true coelom].
II: animals having organ system level of organisation.
| 1. | Only I is correct | 2. | Only II is correct |
| 3. | Both I and II are correct | 4. | Both I and II are incorrect |
Subtopic: Basis of Classification:I |
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Identify the correct statements:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | The digestive system in Platyhelminthes has only a single opening to the outside of the body that serves as both mouth and anus, and is hence called incomplete. |
| II: | In open type circulation, the blood is pumped out of the heart and the cells and tissues are directly bathed in it. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Basis of Classification |
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The type of circulatory system, in which blood is circulated through a series of vessels [arteries, veins and capillaries] and never leaves the network of blood vessels, is called as:
| 1. | An open circulatory system | 2. | A closed circulatory system |
| 3. | A lymphatic system | 4. | A portal circulation |
Subtopic: Basis of Classification |
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Regarding bilateral symmetry:
In light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but Statement II is incorrect.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is incorrect but Statement II is correct.
| I: | Bilateral symmetry is the body plan where the body of the animal can be divided into two identical halves through any plane passing through the central axis of the body. |
| II: | While Ctenophores and adult Echinoderms have bilateral symmetry, Annelida and Arthropods have radial symmetry. |
1. Statement I is correct but Statement II is incorrect.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic: Basis of Classification |
65%
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Consider the given two statements:
| Statement I: | Coelenterates, ctenophores and echinoderms have bilateral symmetry as larvae and radial symmetry as adults. |
| Statement II: | Animals like annelids and arthropods exhibit bilateral symmetry. |
| 1. | Statement I is correct; Statement II is incorrect |
| 2. | Statement I is correct; Statement II is correct |
| 3. | Statement I is incorrect; Statement II is incorrect |
| 4. | Statement I is incorrect; Statement II is correct |
Subtopic: Basis of Classification |
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The triploblastic animals differ from the diploblastic animals in having:
| 1. | Ectoderm | 2. | Mesoderm |
| 3. | Endoderm | 4. | Gastroderm |
Subtopic: Basis of Classification |
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