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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?
Most Upvoted Answer
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.
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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?
Question Description
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