Which of the following is resistant to enzyme action?

  • A
    Exine of pollen grain
  • B
    Cuticle of leaf
  • C
    Cork
  • D
    Xylem fibers

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Similar Questions

Pollen grains are well preserved as fossils because of the presence of . . . . . . .

Which is the outermost layer of the anther wall?

What is the primary function of the tapetum in the anther?

Sporopollenin,a chemical substance,is found in . . . . . .

Pollen grains are well-preserved as fossils due to the presence of which substance?

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