Pollen grains can be stored for a long period in $......$ at $......$ $^oC$.

  • A
    Liquid nitrogen,$196$ $^oC$
  • B
    Liquid nitrogen,$-196$ $^oC$
  • C
    Liquid $CO_2$,$186$ $^oC$
  • D
    Liquid $CO_2$,$-186$ $^oC$

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Similar Questions

Discuss with your teacher about:
$(i)$ haploid insects and lower plants where cell-division occurs,and
$(ii)$ some haploid cells in higher plants where cell-division does not occur.

$A$: The life of all organisms begins with a single cell,the zygote.
$R$: The genetic material in the cell is responsible for inheritance.

Which of the following statements is incorrect?

The cell that undergoes meiosis is called:

Find out the odd one.

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