Length of pollen tube depends on the distance

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Q.
Length of pollen tube depends on the distance between:

1 pollen grain and upper surface of stigma.

2 pollen grain on upper surface of stigma and ovule.

3 pollen grain in anther and upper surface of stigma.

4 upper surface of stigma and lower part of style.

Ans.
(2)

The length of pollen tube is determined by the distance between pollen grain on the upper surface of stigma and ovule. This is because pollen germinates and forms pollen tube that reaches up to ovule in ovary and releases male gamete to combine with female gamete.

Solution

Q.
Length of pollen tube depends on the distance between:

1 pollen grain and upper surface of stigma.

2 pollen grain on upper surface of stigma and ovule.

3 pollen grain in anther and upper surface of stigma.

4 upper surface of stigma and lower part of style.

Ans.
(2)

The length of pollen tube is determined by the distance between pollen grain on the upper surface of stigma and ovule. This is because pollen germinates and forms pollen tube that reaches up to ovule in ovary and releases male gamete to combine with female gamete.

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Solution

Q. Length of pollen tube depends on the distance between:

1 pollen grain and upper surface of stigma.

2 pollen grain on upper surface of stigma and ovule.

3 pollen grain in anther and upper surface of stigma.

4 upper surface of stigma and lower part of style.

Ans. (2) The length of pollen tube is determined by the distance between pollen grain on the upper surface of stigma and ovule. This is because pollen germinates and forms pollen tube that reaches up to ovule in ovary and releases male gamete to combine with female gamete.

Want Us to Email you About Special Offers & Updates?

Q.
Length of pollen tube depends on the distance between:

Ans.
(2)

The length of pollen tube is determined by the distance between pollen grain on the upper surface of stigma and ovule. This is because pollen germinates and forms pollen tube that reaches up to ovule in ovary and releases male gamete to combine with female gamete.