NEET Biology Plant Kingdom Question Bank Assertion and Reason

  • question_answer
    Assertion                :       Spirogyra shows haplontic 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

    B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion 

    C) If the assertion is true but the reason is false

    D) If both the assertion and reason are false

    E) If the assertion is false but reason is true

    Correct Answer: A

    Solution :

    A life cycle characterized by a haploid thallus, and zygotic meiosis is called haplontic 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 haplontic life cycle and therefore, it also shows zygotic nucleus.


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