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Read the following five statements (A to E) and select the option with all correct statements: (A) Mosses and Lichens are the first organisms to colonise a bare rock. (B) Selaginella is a homosporous pteridophyte. (C) Coralloid roots in Cycas have VAM. (D) Main plant body in bryophytes is gametophyte, whereas in pteridophytes it is sporophyte. (E) In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.

1. (B), (C) and (D)
2. (A), (D) and (E)
3. (B), (C) and (E)
4. (A), (C) and (D)

Correct answer: (A), (D) and (E)

Solution

A is correct because lichens and mosses are pioneer colonizers of bare rock. D is correct since bryophytes are gametophyte-dominant, while pteridophytes are sporophyte-dominant; E is correct because gymnosperm gametophytes develop within sporangia on the sporophyte.

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