Question
Question: Which one is correct about heterosporous pteridophytes?...
Which one is correct about heterosporous pteridophytes?
A
Microspore and megaspores develop into the male and the female gametophytes respectively
B
The female gametophyte are retained on the parent sporophyte for variable period
C
The development of the zygote into the embryo takes place within female gametophyte
D
All
Answer
All