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Q. No.How many pairs of the biological and common names of animals given below are correctly matched?
1. 2
2. 3
3. 4
4. 5
| Sycon – Scypha; Spongilla - Fresh water sponge; Euspongia - Bath sponge; Physalia -Portuguese man-of-war; Adamsia - Sea anemone; Pennatula - Sea-fan |
2. 3
3. 4
4. 5
Subtopic: Phylum Porifera | Phylum Coelenterata |
86%
From NCERT
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Subtopic: Basis of Classification |
77%
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Animals in the phylum Porifera are characterised by:
1. Only I and II
2. Only III and IV
3. Only IV
4. Only II and III
| I: | Nematocysts for defence |
| II: | Radial symmetry |
| III: | Filter-feeding and porous bodies |
| IV: | Cellular grade of organisation |
2. Only III and IV
3. Only IV
4. Only II and III
Subtopic: Phylum Porifera |
79%
From NCERT
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Which of the following is not true for Aschelminthes?
| 1. | Alimentary canal is complete with a well-developed muscular pharynx. |
| 2. | An excretory tube removes body wastes from the body cavity through the excretory pore. |
| 3. | Sexes are separate (dioecious), i.e., males and females are distinct. |
| 4. | Often females are shorter than males. |
Subtopic: Phylum Aschelminthes |
94%
From NCERT
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Identify the correct statements regarding arthropods:
| I: | All arthropods use internal fertilization |
| II: | All arthropods lay eggs |
| III: | All arthropods' embryos are segmented |
| 1. | Only II | 2. | Only III |
| 3. | Only I and II | 4. | None |
Subtopic: Phylum Arthropoda |
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The figure shows cross-section of the body of an animal. This animal:
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
| I: | lacks a coelom |
| II: | is triploblastic |
| III: | is expected to have bilateral symmetry |
| IV: | is expected to be dorso-ventrally flattened |
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
Subtopic: Basis of Classification |
57%
From NCERT
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Identify the incorrectly matched pair:
|
Phylum |
Characteristic |
|
|
1. |
Porifera |
Water vascular system |
|
2. |
Ctenophora |
Bioluminescence |
|
3. |
Molluska |
Radula |
|
4. |
Annelida |
Closed circulatory system |
Subtopic: Phylum Porifera |
77%
From NCERT
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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 |
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Ornithorhynchus is a/an:
1. egg-laying mammal
2. vertebrate osmoconformer
3. limbless amphibian
4. pouched mammal
1. egg-laying mammal
2. vertebrate osmoconformer
3. limbless amphibian
4. pouched mammal
Subtopic: Study of Aves & Mammals |
91%
From NCERT
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How many of the given statements are correct regarding cyclostomes?
1. 1
2. 2
3. 3
4. 4
| I: | All living members of the class Cyclostomata are ectoparasites on some fishes. |
| II: | Cyclostomes have a sucking and circular mouth without jaws. |
| III: | Circulation is of open type. |
| IV: | Their body is devoid of scales and paired fins. |
2. 2
3. 3
4. 4
Subtopic: General Introduction: Vertebrates & Agnatha |
64%
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