Make the correct pair:
Column-$I$ Column-$II$
$A$. Tapetum $i$. Degenerate during development
$B$. Intine $ii$. Resistant organic materials
$C$. Vegetative cell $iii$. Pollen tube
$D$. Sporopollenin $iv$. Provide nourishment to pollen grains

  • A
    $(A-iv), (B-iii), (C-ii), (D-i)$
  • B
    $(A-ii), (B-iv), (C-i), (D-iii)$
  • C
    $(A-iv), (B-iii), (C-i), (D-ii)$
  • D
    $(A-iii), (B-i), (C-iv), (D-ii)$

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$A$. The generative cell floats in the cytoplasm of the vegetative cell.
$B$. The stalk of the ovule is called the funiculus.
$C$. Pollen grains are shed at the two-celled stage.
$D$. The embryo sac is diploid.
$E$. The megaspore mother cell towards the chalazal end becomes functional.

Explain the importance of sexual reproduction in plants.

What does the product of sexual reproduction generally generate?

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