Question:
Which one of the following layer of the anther wall helps in its dehiscence ?
Which one of the following layer of the anther wall helps in its dehiscence ?
Updated On: Jun 18, 2022
- Epidermis
- Middle layer
- Endothecium
- Tapetum
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The Correct Option is C
Solution and Explanation
In an anther, cells of endothecium develops fibrous thickening from the inner tangential walls towards the outer wall. Due to hygroscopic nature, endothecium helps in dispersal of microspores. Some endothecium cells, opposite the partition between two sporangia, become thin-walled and constitute the stomium, the site through which pollen grains are released during dehiscence.
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Concepts Used:
Sexual Reproduction in Flowering Plants
Sexual reproduction in flowering plants takes place or happens when the production of a new organism occurs from two parents by making use of their gametes or sex cells. Both sexual and asexual reproduction can be found in plants. Nearly all flowering plants reproduce sexually. Flowers play a captious role in the process as it carries both the male and female reproductive parts commonly known as androecium and gynoecium respectively.
An individual flower comprises the following parts -
- Pedicle
- Calyx
- Petals
- Sepals
- Stamen
- Pistil
- Receptacle