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Write a short note on seed viability.

Important Questions on Sexual Reproduction in Flowering Plants

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Inhibitory substances in dormant seeds cannot be removed by subjecting seeds to:
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How many meiotic and mitotic divisions are required for the formation of male gametophytes from a pollen mother cell?
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The sequence of stages during embryogenesis of a dicotyledonous embryo.
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What is megasporogenesis? Explain the development of eight nucleate embryosac in flowering plants.
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Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?
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Seed formation without fertilization in flowering plants involves the process of
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Explain the embryonic development in angiosperm plants. Draw a labelled diagram of the heart-shaped embryo.
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In angiosperms, the development of male gametophyte takes place from ___________.
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What do you understand by seed dormancy? What are the natural ways of breaking the seed dormancy?
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A large persistent cotyledon in the embryo of the wheat grain is called:
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Which of the following is not an inhibitory substance governing seed dormancy?