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Microsporangium is generally surrounded by _____ wall layers and the layer that performs the function of providing nutrition to pollen is ______.
- a)3, tapetum
- b)4, endothecium
- c)4, tapetum
- d)4, middle layer
Correct answer is option 'C'. Can you explain this answer?
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Microsporangium is generally surrounded by _____ wall layers and the l...
Microsporangium Wall Layers:
- The microsporangium is generally surrounded by 4 wall layers in angiosperms.
- These layers are the epidermis, endothecium, middle layer, and tapetum.
Function of Tapetum:
- Among these layers, the tapetum is the one that performs the function of providing nutrition to the developing pollen grains.
- The tapetum is a specialized layer of cells that surrounds the developing microspores.
- It plays a crucial role in nourishing the developing pollen grains by providing essential nutrients and enzymes.
Role of Tapetum:
- The tapetum also helps in the release of the pollen grains from the sporangium.
- It secretes enzymes that aid in the degradation of the sporopollenin, which is a tough outer coating of the pollen grains.
- Additionally, the tapetum is involved in the production of the pollen coat, which protects the pollen grains during their dispersal.
Significance of Tapetum:
- Overall, the tapetum is essential for the successful development of pollen grains and plays a vital role in the reproductive process of plants.
- Its functions are crucial for the production of viable pollen grains and ultimately for the successful reproduction of flowering plants.
- The microsporangium is generally surrounded by 4 wall layers in angiosperms.
- These layers are the epidermis, endothecium, middle layer, and tapetum.
Function of Tapetum:
- Among these layers, the tapetum is the one that performs the function of providing nutrition to the developing pollen grains.
- The tapetum is a specialized layer of cells that surrounds the developing microspores.
- It plays a crucial role in nourishing the developing pollen grains by providing essential nutrients and enzymes.
Role of Tapetum:
- The tapetum also helps in the release of the pollen grains from the sporangium.
- It secretes enzymes that aid in the degradation of the sporopollenin, which is a tough outer coating of the pollen grains.
- Additionally, the tapetum is involved in the production of the pollen coat, which protects the pollen grains during their dispersal.
Significance of Tapetum:
- Overall, the tapetum is essential for the successful development of pollen grains and plays a vital role in the reproductive process of plants.
- Its functions are crucial for the production of viable pollen grains and ultimately for the successful reproduction of flowering plants.
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Community Answer
Microsporangium is generally surrounded by _____ wall layers and the l...
- In angiosperms, the microsporangium represents the future pollen sac.
- Microsporangial wall has four types of layer - epidermis, endothecium, 1−3 middle layers and tapetum.
- The outer three wall layers perform the function of protection in the young anther and mechanism of dehiscence in the ripe anther.
- Tapetum provides nutrition to pollen.
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Microsporangium is generally surrounded by _____ wall layers and the layer that performs the function of providing nutrition to pollen is ______.a)3, tapetumb)4, endotheciumc)4, tapetumd)4, middle layerCorrect answer is option 'C'. Can you explain this answer?
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