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NEET Biology Sexual Reproduction in Flowering Plant / फूलों के पौधों में यौन प्रजनन Question Bank Critical Thinking Questions

  • question_answer
    The microspore tetrad of angiosperm at the time of formation, are surrounded by a callose wall. Breakdown of this wall is brought about by the enzyme callase synthesized by the

    A) Tetrad cytoplasm

    B) Ribosome of the tetrad

    C) Spore mother cells

    D) Cells of tapetum

    Correct Answer: D

    Solution :

    Tapetum, secrete callase enzyme which dissolves callose substances by which four pollens of  pollen tetrad are united, hence separating microspores or pollens of a tetrad.


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