- 1(current)
Q. No.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: Â Comparative study of Cartilagenous & Bony Fishes |Â Study of Amphibians |Â Study of Reptilia |Â Study of Aves & Mammals |
Level 3: 35%-60%
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Hints
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What would be true [T] or false [F] regarding amphibians?
| I: | Skin is moist and without scales. |
| II: | Eyes have eyelids. |
| III: | A tympanum represents the ear. |
| IV: | Respiration is by gills, lungs and through skin. |
| I | II | III | IV | |
| 1. | T | T | F | F |
| 2. | F | F | F | T |
| 3. | T | F | T | T |
| 4. | T | T | T | T |
Subtopic: Â Study of Amphibians |
 81%
Level 1: 80%+
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Hints
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Amphibians are not characterised by the presence of:
1. Dry skin, with placoid scales
2. Eyelids
3. A tympanum
4. Three-chambered heart
1. Dry skin, with placoid scales
2. Eyelids
3. A tympanum
4. Three-chambered heart
Subtopic: Â Study of Amphibians |
 76%
Level 2: 60%+
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Hints
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- 1(current)
Q. No.
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