Gametes are generally ...... .

How many meiotic divisions are required to produce $100$ seeds/grains of wheat?

Identify the haploid and diploid structures from the following list:
$I$ - Megaspore mother cell
$II$ - Microspore mother cell
$III$ - Egg cell
$IV$ - Male gamete
$V$ - Synergid
$VI$ - Embryo
$VII$ - Antipodal cell
$VIII$ - Zygote
$IX$ - Megaspore
$X$ - Microspore
Select the correct grouping for Haploid and Diploid structures.

Which of the following plant families has $polysiphonous$ pollen grains?

Male and female gametophytes do not have an independent free-living existence in

By deep freezing,it is possible to preserve embryos at which stage?