STD 11 - 3. Plant kingdom — NEET STD 11 Science — Question

Choose the correct combinations of $A$ and $B$

Reason : Trace evidences such as hairs, saliva and dried semen are adequate for $DNA$ analysis.

$I.$ In gymnosperms, the male and female gametophytes have an independent existence.

$II.$ The multicellular female gametophyte is retained within the megasporangium.

$III.$ The gymnosperms are heterosporous.

Of these statements