- 1(current)
Q. No.Frog’s heart when taken out of the body continues to beat for some time.
Select the best option from the following statements.
(a) Frog is a poikilotherm.
(b) Frog does not have any coronary circulation.
(c) Heart is "myogenic" in nature
(d) Heart is autoexcitable
1. Only (d)
2. (a) and (b)
3. (c) and (d)
4. Only (c)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyReason (R): They eat insects and protect the crops.
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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Assertion (A): | Frogs help maintain ecological balance. |
| Reason (R): | The species which maintain ecological balance serve as an important link in the food chain and food web. |
| 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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyReason (R): They are carnivores.
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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyReason (R): Frog is carnivorous.
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. Both (A) and (R) are false.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyReason (R): The webs found in the digits of forelimbs help in swimming.
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. Both (A) and (R) are false.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyReason (R): Typhlosoles are also found in the frog's intestine.
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. Both (A) and (R) are false.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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