Answer
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Hint: Pro means primitive or early stage, prothallus is a structure formed in the early stage of the pteridophytes which represents the forming of germinating spores in it. They also represent a phenomenon called alteration of generation.
Complete answer:
Prothallus is found to be developed from the germinating spores of the plant
It has short life duration with a heart like structure
It has number of archegonium and antheridium growing under the prothallus
This prothallus is a small and multicellular structure
It has haploid spores in it both male and female due to which it is known to be monoecious when it has independent male or female spores it is known to be diecious prothallus.
The sporophyte grows by mitotic division
Prothallus is not dependent on the parent plant and is autotrophic in nature
Mostly contains chlorophyll
These all conclude to as gametophyte free-living structure formed in pteridophytes
Correct option is C.) A gametophyte free-living structure formed in pteridophytes.
Note: These all pteridophytes and other plants which have haploid spores as their gamete and some kind of gametophyte which are usually independent of the parent plant undergoes an alteration of generation in a pattern when fusion occurs the sporophyte is diploid in nature and the gametophytes are usually haploid in nature. They undergo this change once in the cycle mostly.
Complete answer:
Prothallus is found to be developed from the germinating spores of the plant
It has short life duration with a heart like structure
It has number of archegonium and antheridium growing under the prothallus
This prothallus is a small and multicellular structure
It has haploid spores in it both male and female due to which it is known to be monoecious when it has independent male or female spores it is known to be diecious prothallus.
The sporophyte grows by mitotic division
Prothallus is not dependent on the parent plant and is autotrophic in nature
Mostly contains chlorophyll
These all conclude to as gametophyte free-living structure formed in pteridophytes
Correct option is C.) A gametophyte free-living structure formed in pteridophytes.
Note: These all pteridophytes and other plants which have haploid spores as their gamete and some kind of gametophyte which are usually independent of the parent plant undergoes an alteration of generation in a pattern when fusion occurs the sporophyte is diploid in nature and the gametophytes are usually haploid in nature. They undergo this change once in the cycle mostly.
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