Q. Which one of the following is considered important in the development of seed habit?
A) Heterospory
B) Haplontic life cycle
C) Free-living gametophyte
D) Dependent sporophyte
Explanation
[Solution from source] NCERT notes that heterospory, as in Selaginella and Salvinia, with the female gametophyte retained on the parent sporophyte, is a precursor to the seed habit. A free-living gametophyte is the opposite of what happens in seed plants. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.