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Byju's Answer

Standard IX

Biology

Arthropoda

Assertion :In...

Question

Assertion :In Taenia solium, bladder worm is also known as cysticercus. Reason: Bladder worm is characterised by a large vasicle and one scolex.

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.
Single cysticercus is spherical, measuring 1–2 cm in diameter. The central space is filled with fluid like a bladder, hence it is also called bladder worm. It is characterised by large vesicle and contains an invaginated protoscolex. Therefore, Assertion and Reason are correct and Reason is the correct explanation for Assertion. Hence, option A is correct.

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