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Q. No.Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements choose the correct answer from the options given below:
| Assertion (A): | Frogs can remain in places without access to the air. |
| Reason (R): | Lungs are filled by buccal pumping. |
In the light of the above statements choose the correct answer from the options given below:
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Subtopic: Â Frogs |
Level 3: 35%-60%
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The call or croak of a frog is unique to its species. The main function of calling is:
1. for male frogs to ward off other males from their territory
2. for male frogs to attract mates.
3. for female frogs to send distress signals.
4. for female frogs to search for its progeny.
1. for male frogs to ward off other males from their territory
2. for male frogs to attract mates.
3. for female frogs to send distress signals.
4. for female frogs to search for its progeny.
Subtopic: Â Frogs |
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Level 1: 80%+
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements choose the correct answer from the options given below:
| Assertion (A): | A sample of urine from a pregnant woman injected into a female frog induces it to lay eggs. |
| Reason (R): | A hormone, human chorionic gonadotropin, is present in substantial quantities in the urine of women during pregnancy. |
In the light of the above statements choose the correct answer from the options given below:
| 1. | (A) is true but (R) is false. |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 4. | (A) is false but (R) is true. |
Subtopic: Â Frogs |
 65%
Level 2: 60%+
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Frogs can hear both in the air and below water.
I: They do not have external ears
II: The eardrums (tympanic membranes) are visible as a circular area just behind the eye.
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: They do not have external ears
II: The eardrums (tympanic membranes) are visible as a circular area just behind the eye.
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: Â Frogs |
 80%
Level 1: 80%+
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | Frogs are at their most vulnerable to predators when they are undergoing metamorphosis. |
| Reason (R): | At this time, the tail is being lost and locomotion by means of limbs is only just becoming established. |
In the light of the above statements, choose the correct answer from the options given below:
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Â Frogs |Â Frogs: Morphology |
 72%
Level 2: 60%+
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