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 A fertilized egg of a plant has 40 chromosomes. The number of chromosomes present in the microspore mother cell is

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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-4>Q 104
Chasmogamy refers to the condition where
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-4>Q 105
Emasculation is not required when flowers:are
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-4>Q 106
How many haploid nuclei are present in a mature pollen grain?
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-4>Q 108

Identify the parts labelled A, B, C and D in the given figure and select the correct option.

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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-4>Q 109
Ploidy level of nucellus, endosperm polar nuclei, megaspore mother cell, female gametophyte respectively are
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-4>Q 110
Albuminous seeds are found in-
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-4>Q 111
Which of the following is false fruit?
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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-4>Q 112
In somatic hybridization of leaf and nucellus cells of pinus, the ploidy level is