Question

In a flowering plant, archesporium gives rise to

wall and tapetum

only tapetum and sporogenous cells

only wall of the sporangium

both wall and sporogenous cells

Solution

both wall and sporogenous cells

The archesporial cells divide periclinally, cutting off primary parietal layer (forming wall later on) towards the outer side and primary sporogenous cells towards the inner side.

Some More Questions From Sexual Reproduction in flowering Plants Chapter

512 microspores will be formed following meiosis of how many microspore mother cells.

Pollination by water occurs in :

In ................... flowers, the thalamus grows upwards completely enclosing the ovary, and the stamens, petals and sepals are borne above the ovary.

In Calotropis, all the microspores of anther lobe remain united to form

Albuminous seeds store reserve food materials in ....................

Transfer of pollen grains from the anther to the stigma of another flower of same plant is called..............................

The...................direct the growth of pollen tube towards egg apparatus by secreting some chemical substances.

A kind of reproduction in which the new individuals are formed without involvement of meiosis and syngamy.

A kind of self-pollination in which the pollens from the anthers of one flower are transferred to the stigma of another flower borne on the same plant.

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Sexual Reproduction In Flowering Plants

In a flowering plant, archesporium gives rise to

wall and tapetum

only tapetum and sporogenous cells

only wall of the sporangium

both wall and sporogenous cells

Some More Questions From Sexual Reproduction in flowering Plants Chapter

512 microspores will be formed following meiosis of how many microspore mother cells.

Pollination by water occurs in :

In ................... flowers, the thalamus grows upwards completely enclosing the ovary, and the stamens, petals and sepals are borne above the ovary.

In Calotropis, all the microspores of anther lobe remain united to form

Albuminous seeds store reserve food materials in ....................

Transfer of pollen grains from the anther to the stigma of another flower of same plant is called..............................

The...................direct the growth of pollen tube towards egg apparatus by secreting some chemical substances.

A kind of reproduction in which the new individuals are formed without involvement of meiosis and syngamy.

A kind of self-pollination in which the pollens from the anthers of one flower are transferred to the stigma of another flower borne on the same plant.

Give the term for cross-pollination by wind.

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NCERT Sample Papers

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For Daily Free Study Material Join wiredfaculty

Sexual Reproduction In Flowering Plants

In a flowering plant, archesporium gives rise to wall and tapetum only tapetum and sporogenous cells only wall of the sporangium both wall and sporogenous cells

Some More Questions From Sexual Reproduction in flowering Plants Chapter

512 microspores will be formed following meiosis of how many microspore mother cells.

Pollination by water occurs in :

In ................... flowers, the thalamus grows upwards completely enclosing the ovary, and the stamens, petals and sepals are borne above the ovary.

In Calotropis, all the microspores of anther lobe remain united to form

Albuminous seeds store reserve food materials in ....................

Transfer of pollen grains from the anther to the stigma of another flower of same plant is called..............................

The...................direct the growth of pollen tube towards egg apparatus by secreting some chemical substances.

A kind of reproduction in which the new individuals are formed without involvement of meiosis and syngamy.

A kind of self-pollination in which the pollens from the anthers of one flower are transferred to the stigma of another flower borne on the same plant.

Give the term for cross-pollination by wind.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

In a flowering plant, archesporium gives rise to

wall and tapetum

only tapetum and sporogenous cells

only wall of the sporangium

both wall and sporogenous cells