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From among the situations given below, choose the one that prevents both autogamy and geitonogamy.

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Important Questions on Sexual Reproduction in Flowering Plants

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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 58
Anthesis is
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 59
How many Nucleus participate in double fertilization of Capsella
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 60
Development of fruit with out fertilization is
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 61
Zygote of Capsella bursapastoris divides through
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 62
How many meiosis are required for the formation of 100 grains of wheat?
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 63
Double fertilization was discovered by Nawaschin in _______.
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 64
Mature endosperm with irregularity and unevenness in its surface is called Ruminate endosperm. It is found in-
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 65
The effect of pollen grain on colour of endosperm is called: