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Pollen grains are well-preserved as fossils due to the presence of:

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Important Questions on Sexual Reproduction in Flowering Plants

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Gamma Question Bank for Medical Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Assignment>Q 9
Cleistogamy refers to the condition in which
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Gamma Question Bank for Medical Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Assignment>Q 4
Which of the following has been used in the form of tablets as a food supplement? 
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Gamma Question Bank for Medical Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Assignment>Q 5
Viability of pollen grains of wheat is about:
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Gamma Question Bank for Medical Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Assignment>Q 6
The layer in pollen grain which has germ pores is
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Gamma Question Bank for Medical Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Assignment>Q 13
Choose the odd statement for pollen grains
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Gamma Question Bank for Medical Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Assignment>Q 16
Persistent nucellus in the seeds of black pepper is called
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Gamma Question Bank for Medical Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Assignment>Q 22
The cells of anther wall layer which nourish the developing pollen grains is related to all of the following features, except
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Gamma Question Bank for Medical Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Assignment>Q 23
Choose the odd one w.r.t. rewards for insects in entomophilous flowers: