NEET Biology Plant Kingdom Question Bank Selaginella

  • question_answer
    Selaginella is heterosporous. It produces two types of spores. The microspore develops into microgametophyte and the megaspore develops into megagametophyte. With respect to gametophyte, which one statement is correct

    A)            The microgametophyte is devoid of chloro\[\sim \]phyll at maturity

    B)            The megagametophyte possesses chlorophyll at maturity

    C)            The megagametophyte develops within the walls of megaspore

    D)            The microgametophyte develops chlorophyll at maturity

    Correct Answer: C

    Solution :

               In Selaginella development of gametophyte is precocious i.e., it germinates within spore when megaspore containing female gametophyte is exposed to light through tri-radiate ridge, it develops chlorophyll in cushion region.


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