Pollen grain is

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1.Sexual Reproduction in Flowering Plants

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The pollen grain is

An immature male gametophyte

A mature male gametophyte

Partially developed male gametophyte

Last stage of male gametophyte

(AIPMT-1993)

Solution

(c)Pollen grain is partially developed male gametophyte because the rest development completes on stigma when pollen grains start to germinate and produce pollen tube having two male nuclei.

Standard 12

Biology

After penetrating stigmatic and styler tissues, the pollen tube usually grow down towards the egg because

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The thin and continuous wall layer of pollen is

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The pollen viability period of rice and pea respectively, is

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Describe the structure of pollen grain and explain the development of male gametophyte in it.

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Even after killing the generative cell with a laser beam, the pollen grain of a flowering plant germinates and produces normal pollen tube because

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(AIPMT-1989)

The pollen grain is

Solution

Similar Questions

After penetrating stigmatic and styler tissues, the pollen tube usually grow down towards the egg because

The thin and continuous wall layer of pollen is

The pollen viability period of rice and pea respectively, is

Describe the structure of pollen grain and explain the development of male gametophyte in it.

Even after killing the generative cell with a laser beam, the pollen grain of a flowering plant germinates and produces normal pollen tube because

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