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Which of the following statements regard...

Which of the following statements regarding the sturcture of microsporagium are correct ?
(i) Microsporangium is generally surrounded bu four wall layers-epiddermis, endothecium, middle alyers and tapectum
(ii) outer three layers perform functions of protection and dehiscence of anthers.
(iii) Cells of tapetum undergo misois and produce micropore tetrads.

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Which of the following statements regarding the structure of microsporagium are correct ? (i) Microsporangium is generally surrounded by four wall layers-epidermis, endothecium, middle layers and tapetum (ii) outer three layers perform functions of protection and dehiscence of anthers. (iii) Cells of tapetum undergo meiosis and produce micropore tetrads.

Which of the following statements regarding the structure of microsporagium are correct ? (i) Microsporangium is generally surrounded by four wall layers-epidermis, endothecium, middle layers and tapetum (ii) outer three layers perform functions of protection and dehiscence of anthers. (iii) Cells of tapetum undergo meiosis and produce micropore tetrads.

Which of the following statements regarding the structure of microsporagium are correct ? (i) Microsporangium is generally surrounded by four wall layers-epidermis, endothecium, middle layers and tapetum (ii) outer three layers perform functions of protection and dehiscence of anthers. (iii) Cells of tapetum undergo meiosis and produce micropore tetrads.

Assertion : A typical microsporangium of angiosperms is generally surrounded by four wall layers - epidermis, endothecium, middle layers and tepetum. Reason : The outer three wall layers perform the function of protection and help in dehiscence of anther to release the pollen.

Assertion : A typical microsporangium of angiosperms is generally surrounded by four wall layers - epidermis, endothecium, middle layers and tepetum. Reason : The outer three wall layers perform the function of protection and help in dehiscence of anther to release the pollen.

Assertion : A typical microsporangium of angiosperms is generally surrounded by four wall layers - epidermis, endothecium, middle layers and tepetum. Reson : The outer three wall layers perform the function of protection and help in dehiscence of anther to release the pollen.

Assertion : A typical microsporangium of angiosperms is generally surrounded by four wall layers - epidermis, endothecium, middle layers and tepetum. Reason : The outer three wall layers perform the function of protection and help in dehiscence of anther to release the pollen.

Which of the following statements are correct regarding the development of embryo sac ? (i) The type of nuclear division is free , in which there is no formation of the cell wall . (ii) Out of the eight nuclei , six are surrounded by a cell wall . (iii) Central cell situated below the egg apparatus.

Which of the following statements are correct regarding the development of embryo sac ? (i) The type of nuclear division is free , in which there is no formation of the cell wall . (ii) Out of the eight nuclei , six are surrounded by a cell wall . (iii) Central cell situated below the egg apparatus.

State whether the following statements are true of false regarding androecium . I. The anther of all angiosperms has four theca. II. The outermost layer of the microsporangium is the tepetum. III. The distal end of the filament is attached to the stamen. IV. Pollen grains of the same species differ from each other in their morphologies.