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Class 12BiologySexual Reproduction in Flowering PlantsStamen, Microsporangium and Pollen Grain
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What is the approximate diameter of a pollen grain?

  • A
    $25-50$ $\mathring{A}$
  • B
    $25-50$ $\text{micron}$
  • C
    $20-25$ $\text{micrometre}$
  • D
    $25-50$ $\text{micrometre}$
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Class 12 Questions

Class 12

Biology Questions

Chapter

Sexual Reproduction in Flowering Plants

Subtopic

Stamen, Microsporangium and Pollen Grain

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