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Q. No.All the following features will be applicable to the animals belonging to Class Reptilia except:
1.
They are mostly terrestrial animals and their body is covered by dry and cornified skin, epidermal scales or scutes.
2.
They do not have external ear openings and tympanum represents ear.
3.
Heart is usually four-chambered, but three-chambered in crocodiles.
4.
Fertilisation is internal and development is direct.
Subtopic: Study of Reptilia |
90%
Level 1: 80%+
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In cartilaginous fishes:
| I: | Males bear claspers on pelvic fins. |
| II: | Viviparity is never seen. |
| 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: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
78%
Level 2: 60%+
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How many of the given statements regarding mammals are correct?
| I: | The skin of mammals is unique in possessing hair. |
| II: | They are homoiothermous. |
| III: | Different types of teeth are present in the jaw. |
| IV: | External ears or pinnae are absent. |
| V: | The most unique mammalian characteristic is the presence of mammary glands. |
| VI: | Flight has never evolved in any mammal. |
| 1. | 3 | 2. | 4 |
| 3. | 5 | 4. | 6 |
Subtopic: Basis of Classification:I | Study of Aves & Mammals |
77%
Level 2: 60%+
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Subtopic: Basis of Classification |
76%
Level 2: 60%+
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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: Study of Amphibians |
83%
Level 1: 80%+
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Consider the two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | Chondrichthyes lack the capacity to regulate their body temperature. |
| Statement II: | Osteichthyes have the capacity to regulate their body temperature. |
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes | Class Osteichthyes |
71%
Level 2: 60%+
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Select the correct description of the two figures A and B, given below, showing basic body forms in Cnidarians:
| A |  |
| B |  |
| 1. | A is Medusa and is free-swimming; B is Polyp and is sessile |
| 2. | A is Polyp and is free-swimming; B is Medusa and is sessile |
| 3. | A is Medusa and is sessile; B is Polyp and is free-swimming |
| 4. | A is Medusa and is free-swimming; B is Polyp and is free-swimming |
Subtopic: Phylum Coelenterata |
87%
Level 1: 80%+
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Fertilisation is external and development is indirect in:
1. I and V only
2. II, III and IV only
3. IV only
4. I, IV and V only
| I: | Sponges |
| II: | Echinoderms |
| III: | Hemichordates |
| IV: | Comb jellies |
| V: | Flatworms |
1. I and V only
2. II, III and IV only
3. IV only
4. I, IV and V only
Subtopic: Basis of Classification |
73%
Level 2: 60%+
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Chondrichthyes and Mammals:
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: | do not belong to the same class but belong to the same super-class. |
| II: | are placed under the same division in sub-phylum vertebrata. |
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: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
54%
Level 3: 35%-60%
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Ascidia, Salpa, Doliolum and Branchiostoma are all:
A: Chordates
B: Vertebrates
C: Urochordates
D: Protochordates
A: Chordates
B: Vertebrates
C: Urochordates
D: Protochordates
| 1. | A and B are correct | 2. | A and C are correct |
| 3. | A and D are correct | 4. | B and C are correct |
Subtopic: Phylum Chordata |
65%
Level 2: 60%+
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