Q. No.Frog's eyes are protected under water by the presence of
1. Retina
2. Upper eyelid
3. Nicititating membrane
4. Lower eyelid
1. Retina
2. Upper eyelid
3. Nicititating membrane
4. Lower eyelid
Subtopic: Â Frogs |Â Frogs: Morphology |
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During winter, frogs are not seen actively moving around. What physiological adaptation allows them to survive?
| 1. | Migration to warmer places |
| 2. | Hibernation with reduced metabolic rate |
| 3. | Growing thick fur for insulation |
| 4. | Storing food in specialised organs |
Subtopic: Â Frogs |
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Subtopic: Â Frogs |Â Frogs: Morphology |
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The frogs have the ability to change to hide them from enemies (camouflage). This protective coloration is called -
1. Mimicry
2. Antagonism
3. Burrowing
4. Symbiosis
1. Mimicry
2. Antagonism
3. Burrowing
4. Symbiosis
Subtopic: Â Frogs |
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The ability of frogs to survive extreme summer and winter temperatures by burrowing is termed:
1. Camouflage and mimicry.
2. Dormancy and torpor.
3. Metamorphosis and diapause.
4. Aestivation and hibernation.
1. Camouflage and mimicry.
2. Dormancy and torpor.
3. Metamorphosis and diapause.
4. Aestivation and hibernation.
Subtopic: Â Frogs |
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Frogs enter a state of dormancy during peak summer and winter. These are called:
1. Aestivation and hibernation, respectively
2. Hibernation and aestivation, respectively
3. Diapause and mimicry, respectively
4. Camouflage and mimicry, respectively
1. Aestivation and hibernation, respectively
2. Hibernation and aestivation, respectively
3. Diapause and mimicry, respectively
4. Camouflage and mimicry, respectively
Subtopic: Â Frogs |
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Subtopic: Â Frogs |
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Frogs belonging to class ___________ of phylum chordata are ___________ animals and show hibernation in ___________ and aestivation in ___________ .
1. Hemichordata, poikilothermic, winter, summer
2. Amphibia, poikilothermic, summer, rainy season
3. Amphibia, poikilothermic, winter, summer
4. Amphibia, warmblooded, winter, summer
1. Hemichordata, poikilothermic, winter, summer
2. Amphibia, poikilothermic, summer, rainy season
3. Amphibia, poikilothermic, winter, summer
4. Amphibia, warmblooded, winter, summer
Subtopic: Â Frogs |Â Frogs: Morphology |
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Subtopic: Â Frogs |
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Read the following statements w.r.t. frogs:
How many of the above statements are correct?
| (i) | They are poikilotherms |
| (ii) | They perform mimicry to hide from their enemies |
| (iii) | They undergo hibernation but no aestivation |
| (iv) | The frog never drinks water but absorb it through the skin |
| (iv) The frog never drinks water but absorb it through the skin (v) |
The skin usually remains dry |
How many of the above statements are correct?
| 1. | Four | 2. | Three |
| 3. | Two | 4. | Five |
Subtopic: Â Frogs |Â Frogs: Morphology |
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