Choose the incorrect statement regarding pteridophytes.

Pteridophytes are frequently grown as ornamentals and also used for medicinal purposes

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Sporophyte is dominant phase

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Gametophyte is independent

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Prothallus is unicellular

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Solution

The correct option is D Prothallus is unicellular
Ferns, belonging to pteridophytes, are ornamental plants grown for decorative purposes. In pteridophytes, the sporophyte phase is dominant. Gametophyte is free living in pteridophytes. The gametophyte phase of pteridophytes is called prothallus. Prothallus is multicellular.

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A prothallus is

(a) a structure in pteridophytes formed before the thallus develops

(b) a sporophytic free living structure formed in pteridophytes

(d) a primitive structure formed after fertilisation in pteridophytes

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