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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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Explain the different types of endosperms in angiosperms.

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The coconut water from tender coconut represents:

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Select the correct sequence of Embryogenius in Dicots ?

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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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Non-albuminous seed is produced in:

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Coconut water from a tender coconut is:

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Seed formation without fertilization in flowering plants involves the process of

MEDIUM
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 ___________.

HARD
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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Cotyledon of maize grain is called:

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Which of the following is not an inhibitory substance governing seed dormancy?

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The morphological nature of the edible part of coconut is

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Which one of the following fruits is parthenocarpic?

