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Standard X

Biology

Open and Closed Circulatory System

Assertion :Ly...

Question

Assertion :Lymph heart is present in frog. Reason: Lymph in frog is circulated by lymph heart.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Assertion is incorrect but Reason is correct.

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
The assertion and reason are correct and the reason is also a correct explanation of assertion, as lymph hearts are organs found in some animals like frogs (Amphibians) which are used to pump lymph. They function as small pumps to pump lymph that has leaked out of the circulatory system back into the circulatory system. The lymphatic system of a frog consists of lymph, lymph vessels lymph heart, lymph spaces, and spleen.
Therefore, the correct answer is option A.

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Assertion (A) Order of the reaction can be zero or fractional.

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(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

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