Which of the following statements is true with respect to protonema?
it gives rise to sporophyte.
it produces male gametes.
it gives rise to gametophyte.

A gametophyte is a stage in the life cycle of plants and algae. It is a haploid multicellular organism that develops from a haploid spore that has one set of chromosomes.
Protonema grows and develops into a leafy gametophore. 
According to above explanation,
C.It gives rise to gametophyte, is the correct answer.

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