Into how many groups are seedless plants divided?

Find the mismatched pair.

$A$ - In bryophytes,the gametophyte is dominant and haploid.
$B$ - In pteridophytes,the gametophyte is multicellular,short-lived,and haploid.

Which of the following groups is correct for seed-bearing plants (Spermatophytes)?

In which of the following sets are flagellated male gametes found?

Compared with the gametophytes of the bryophytes,the gametophytes of vascular plants are: