A) sporophyte is independent
B) gametophyte is independent
C) both sporophyte and gametophyte are dependent
D) sporophyte is dependent upon gametophyte for its nutrition
Correct Answer: B
Solution :
In Dryopteris the dominant phase in life cycle is sporophyte which alternates with gametophytes. The adult fern prothalus is small green flat thallus-like object. It is autotrophic in nutrition.
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