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प्रश्न
During microsporogenesis, meiosis occurs in ______.
विकल्प
Microspore mother cells
Microspore tetrads
Pollen grains
Endothecium
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उत्तर
During microsporogenesis, meiosis occurs in microspore mother cells.
Explanation:
During microsporogenesis, meiosis occurs in the microspore mother cells within the anther, producing four haploid microspores, which later develop into pollen grains. These mother cells are diploid and undergo meiotic division to form microspore tetrads.
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संबंधित प्रश्न
Development and formation of pollen grains in anther of the stamen is known as ______
Indicate the stages where meiosis and mitosis occur (1, 2 or 3) in the flow chart.
The wall layer of microsporangium, which nourishes the pollen grain, is ______.
How many meiotic and mitotic divisions need to occur for the development of a mature female gametophyte from the megaspore mother cell in an angiosperm plant?
What is the correct biological term for a compact mass that forms when all the microspores within a pollen sac remain entirely united together as a single structure?
Which term accurately describes a pollen tetrad where the microspores are arranged in two crossed pairs?
The outer protective layer of the pollen grain wall (sporoderm) is the exine. Which tough, resistant substance primarily makes up this layer?
What primary external factors determine the duration of pollen viability once released?
In which specific type of pollen tetrad are all four microspores arranged in a single straight line?
Which type of pollen tetrad is characterized by having three microspores in a horizontal row and one microspore positioned at a right angle to them?
