Heterosporous pteridophytes

A. Have events which is precursor to the seed habit.

B. Shows female gametophyte retained on the parent sporophyte for variable periods.

C. Are exemplified by Selaginella and Salvinia.

D. Produce monoecious gametophyte.

• A

  Only (A) and (B) are correct

• B

  (A),(B) and (C) are correct

• C

  Only (A),(C) and (D) are correct

• D

  (A),(B),(C) and (D) are correct