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Q. No.Most reptiles:
I.
are terrestrial
II.
have a three-chambered heart
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: Study of Reptilia |
90%
From NCERT
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In reptiles:
| I: | Body is covered by dry and cornified skin, dermal scales or scutes. |
| II: | External ear is not present and tympanum represents the ear. |
| III: | Scales are shed as skin cast in all members. |
| IV: | Fertilization is internal and development is direct. |
| 1. | Only II is correct | 2. | Only II and IV are correct |
| 3. | All are correct | 4. | Only I and II are incorrect |
Subtopic: Study of Reptilia |
From NCERT
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Which of the following reptiles has a four chambered heart?
| 1. | Crocodile | 2. | Wall lizard |
| 3. | Turtle | 4. | Tortoise |
Subtopic: Study of Reptilia |
94%
From NCERT
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In birds:
| a: | the characteristic feature is the presence of feathers. |
| b: | forelimbs are modified into wings. |
| c: | flight is present in all members. |
| d: | hind limbs do not have scales. |
| 1. | Only (a) and (d) are incorrect |
| 2. | Only (c) and (d) are correct |
| 3. | (a), (b) and (c) are correct |
| 4. | Only (a) and (b) are correct |
Subtopic: Study of Aves & Mammals |
84%
From NCERT
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Birds are not characterized by:
| 1. | a fully ossified endoskeleton |
| 2. | pneumatic long bones |
| 3. | absence of crop and gizzard in the digestive tract |
| 4. | a dry skin without glands except the oil gland |
Subtopic: Study of Aves & Mammals |
82%
From NCERT
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Consider the given two statements:
| I: | Birds have a four chambered heart and are warm blooded. |
| II: | Respiration in birds is by lungs that are connected to air sacs. |
| 1. | I is correct but II is incorrect |
| 2. | Both I and II are correct. |
| 3. | Both I and II are incorrect. |
| 4. | I is incorrect but II is correct. |
Subtopic: Study of Aves & Mammals |
88%
From NCERT
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Identify the incorrectly matched pair:
| Biological name | Common name | |
| 1. | Aptenodytes | Penguin |
| 2. | Pavo | Peacock |
| 3. | Struthio | Pigeon |
| 4. | Psittacula | Parrot |
Subtopic: Study of Aves & Mammals |
79%
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The most unique characteristic of mammals is the presence of:
| 1. a four chambered heart | 2. a single aortic arch |
| 3. homeothermy | 4. mammary glands |
Subtopic: Study of Aves & Mammals |
91%
From NCERT
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Which of the following is an egg laying mammal?
| 1. Ornithorhynchus | 2. Macropus |
| 3. Macaca | 4. Balaenoptera |
Subtopic: Study of Aves & Mammals |
90%
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Flying fox is a/an:
| 1. | Flightless bird |
| 2. | Limbless amphibian |
| 3. | Viviparous mammal |
| 4. | Economically important insect |
Subtopic: Study of Aves & Mammals |
83%
From NCERT
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