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Bryophytes, pteridophytes and gymnosperms
Concepts tested here
- Plant kingdom statements
All Questions
2015 AIPMT-I 1 question
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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 gametophytic, whereas in pteridophytes it is sporophytic
(E) In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte(B) is incorrect: Selaginella is a heterosporous pteridophyte, producing microspores and megaspores.
(C) is incorrect: coralloid roots of Cycas have cyanobacteria (Nostoc and Anabaena in the cortical region), not VAM.
(A), (D) and (E) are correct.
