A pollen tube grows down the style because

Important Questions on Sexual Reproduction in Flowering Plants

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 17

Double fertilization results in production of :

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 18

In a mature embryo sac the central cell is ?

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 19

Which one of the following statements is wrong?

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 20

How much time is generally required/taken by the pine plant from pollination to fertilization

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 21

The process of fusion between male nucleus and egg nucleus is called as

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 22

Double fertilization was first discovered by Nawaschin (1898) in

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 23

The phenomenon of syngamy (fertilization) in angiosperms was discovered by

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 24

Germination of pollen grain on the stigma is