Approximate diameter of pollen grain is
Approximate diameter of pollen grain is
- A
$25-50$ micrometer
- B
$50-75$ micrometer
- C
$75-100$ micrometer
- D
$25-35$ micrometer
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...... posses dense cytoplasm and generally have more than one nucleus
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The innermost wall layer of anther
The innermost wall layer of anther
$A$ : The generative cell comes to lie freely in the cytoplasm of the tube cell.
$R$ : Cellulosic wall around generative cell is dissolved.
$A$ : The generative cell comes to lie freely in the cytoplasm of the tube cell.
$R$ : Cellulosic wall around generative cell is dissolved.
One pollen mother cell may produce four germinating pollen grains, each with two male nuclei and one tube nucleus. How many meiotic divisions are necessary to bring this about
Ubisch bodies are present in
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