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

$Strobilanthus$ $kunthiana$ is also called:

The chromosomal number in a cell of a flowering plant is:

Which organism possesses the highest number of chromosomes?

Match the following columns regarding the chromosome number in meiocytes $(2n)$ of different organisms:
| Column-$I$ (Organism) | Column-$II$ (Chromosome number in meiocyte) |
| :--- | :--- |
| $p$. Ophioglossum | $v$. $20$ |
| $q$. Apple | $w$. $34$ |
| $r$. Rice | $x$. $24$ |
| $s$. Maize | $y$. $42$ |
| | $z$. $1260$ |

What is the chromosome number in a meiocyte of a potato?

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