Which one of the following statements is not true?

  • A
    Pollen grains of many species cause severe allergies.
  • B
    Stored pollen in liquid nitrogen can be used in the crop breeding programmes.
  • C
    Tapetum helps in the dehiscence of anther.
  • D
    Exine of pollen grains is made up of sporopollenin.

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Similar Questions

In angiosperms,microsporogenesis and megasporogenesis:

Identify $X$ and $Y$ from the figure.

In plant $A$,$2n = 12$ and in plant $B$,$2n = 16$. Then the ploidy number (total chromosome number) of the hybrid plant resulting from cross-breeding is:

The occurrence of more than four spores from a single spore mother cell is called:

Rarely among angiosperms,the pollen grains influence the endosperm. This is called as:

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