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Pteridophytes

which is the ...

Question

which is the precurser of seed habits in pteridophytes ?

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Solution

The development of the zygotes into young embryos take place within the female gametophytes. This event is a precursor to the seed habit, considered an important step in evolution.

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The heterosporous pteridophyte show certain characteristics, which are precursor to the seed habit in gymnosperms. Explain.

Q. Which event is considered as a precursor to seed habit?

How far does Selaginella one of the few living members of Lycopodiales (pteridophytes) fall short of seed habit?

Q. Read statement

^{'} a

d^{'}

and find out how many is/are incorrect statement(s).
(a) In majority of the pteridophytes, all the spores are of similar kinds.
(b) Genera like Selaginella and Salvinia produce two kind of spore.
(c) The development of the zygote in the young embryos take place within the female gametophytes. This event is a precursor to the seed habit.
(d) Azolla is an aquatic fern that is used as biofertilizer due to the presence of nitrogen fixing cyanobacteria.

Q. Which one of the following is considered important in the development of seed habit?

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