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What is the size of pollen grain in angiosperm plants?

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Important Questions on Sexual Reproduction in Flowering Plants

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Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 2>Q 21

Pollen grains

(a) Are generally spherical

(b) Can be preserved as fossils

(c) Of some anemophilous species may cause pollen allergy

(d) Are always diploid

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Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 2>Q 25

Pollen grain loses its viability within half an hour of its release in

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Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 2>Q 27
Milky water of green coconut is
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Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 2>Q 28
When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is?
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Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 2>Q 33
Dominant biotic pollinating agents are
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Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 2>Q 36
A close relation between flower and pollinating agent is best exhibited by
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Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 2>Q 37
In angiosperms free nuclear divisions occur in
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Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 2>Q 31
The food material in ex-albuminous seed is mainly stored in