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Question

Assertion :Spirogyra shows plantings life cycle. Reason: Zygotic meiosis occurs in Spirogyra.

A
If both the assertion and the reason are true and the reason is a correct explanation of the assertion
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B
If both the assertion and reason are true but the reason is not a correct explanation of the assertion
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C
If the assertion is true but the reason is false
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D
If both the assertion and reason are false
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Solution

The correct option is A If both the assertion and the reason are true and the reason is a correct explanation of the assertion
A life cycle characterized by a haploid thallus, and zygotic meiosis is called plantings life cycle. It is also called as haplobiontic because only a single type of free living individual is involved in the life cycle. Spirogyra shows plantings life cycle and therefore, it also shows zygotic nucleus.

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