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Which one of the following is surrounded by a callose wall?

  1. A
    Microspore mother cell
  2. B
    Male gamete
  3. C
    Egg
  4. D
    Pollen grain

Solution & Step-by-step Explanation

During microsporogenesis, the microspore mother cells (MMC) are surrounded by a thick callose wall. As the MMC undergoes meiosis to form a tetrad of microspores, callose also develops between the newly formed cells.

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Which one of the following is surrounded by a callose wall?
A
Microspore mother cell
B
Male gamete
C
Egg
D
Pollen grain

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Reproduction in PlantsMicrosporogenesisBotany

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