Sexual Reproduction In Flowering Plant Question 41
Question: 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
Options:
A) Tetrad cytoplasm
B) Ribosome of the tetrad
C) Spore mother cells
D) Cells of tapetum
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Answer:
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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