Polysiphonous pollen tube is a feature of

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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 82

The effect of pollen grain on the outside of endosperm is called.

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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 83

If the male plant is tetraploid and female plant is diploid. What will be the ploidy level of endosperm after fertilization?

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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 85

Which of the following characteristics of a flower would attract humming birds for pollination but not bees
(i) Fragrant flowers
(ii) Great amount of nectar
(iii) Long tubular flowers
(iv) Deep-seated nectary
(v) Petals forming a lip for resting
(vi) Yellow petals

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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 86

Filiform apparatus found during development in angiosperms is a thickening on the

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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 87

Which of the following is the correct combination of merits of an inflorescence?
I. Flowers can be unisexual
İi. Increased efficiency of pollination
iii. Ensuring self pollination and fertility
iv. Attract pollinators easily

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Alpha Question Bank for Medical: Biology>Chapter 24 - Sexual Reproduction in Flowering Plants>Exercise-3>Q 88

Arrange the embryo-sac development stages of angiosperms in correct order:

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