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Emasculation

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Important Questions on Sexual Reproduction in Flowering Plants

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Which of the following statement is applicable for all flowering plants?
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Which is incorrect statement?
I. Each cell of sporogenous tissue in anther is capable of giving rise to microspore tetrad.
II. The pollen grain represent male gametophyte.
III. Pollen grains are usually triangular and10-15 μm in diameter.

IV. Sporopollenin is one of the most resistance organic material which can be destroyed only by strong acids and alkali.

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In papaya male and female flowers are present on different plants. It permits
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Examine the figure given below and select the right option giving all four parts a, b, c, and d.

Question Image 

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Select incorrect statement regarding microsporogenesis in an anther
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In castor, proliferation of the outer integumentary cells at micropylar region