The long, hair-like strands that emerge from the young cob of maize are

If the roots of a flowering plant contain $24$ chromosomes,how many chromosomes will its gametes contain?

Identify the correct modes of entry of the pollen tube in the diagrams given below.

In $Agave$ (Century plant),vegetative propagation occurs through which of the following?

Which of the following is correct about $NeelaKuranji$?

Which of the following processes occur simultaneously?
$(i)$ Ovule $\rightarrow$ Seed
$(ii)$ Ovary $\rightarrow$ Fruit
$(iii)$ $MMC$ $\rightarrow$ Megaspore
$(iv)$ $PMC$ $\rightarrow$ Pollen grain