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Question
The innermost wall layer of microsporangium nourishing the developing pollen grains is known as:
The innermost wall layer of microsporangium nourishing the developing pollen grains is known as:
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Solution
The correct option is B Tapetum
The part of the anther where microspores are produced is called the microsporangium or pollen sac. The pollen sac wall has 4 layers - epidermis, endothecium, middle layers and tapetum.
Tapetum is the innermost layer which is made up of multinucleated cells with dense cytoplasm and reserve food material.
It is surrounded by three other wall layers which are epidermis, endothecium, and middle layers. It provides nourishment to the developing microspores or pollen grains.
The part of the anther where microspores are produced is called the microsporangium or pollen sac. The pollen sac wall has 4 layers - epidermis, endothecium, middle layers and tapetum.
Tapetum is the innermost layer which is made up of multinucleated cells with dense cytoplasm and reserve food material.
It is surrounded by three other wall layers which are epidermis, endothecium, and middle layers. It provides nourishment to the developing microspores or pollen grains.
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