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In flowering plants, a mature male gametophyte is derived from a pollen mother cell by
Options
(a) two mitotic divisions
(b) one meiotic and two mitotic divisions
(c) three mitotic divisions
(d) a singe meiotic division
Correct Answer:
one meiotic and two mitotic divisions
Explanation:
Each pollen mother cell, by a meiotic division, gives rise to a group of four haploid microspores. During gametogenesis (mitosis) the pollen nucleus divides to form a generative cell and a vegetative cell. The former undergoes another mitosis to form two sperms (the male gametes).
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Topics: Reproduction In Organisms and Plants
(129)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Frog is
- Which of the following statements are true or false
- Ninetenth of all photosynthesis in the world 8590 is carried out by
- Alcohol is the most socially accepted narcotic drug. Excessive consumption of alcohol leads to
- The presence of large amount of nitrogen in the atomosphere is due to
Topics: Reproduction In Organisms and Plants (129)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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