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

Options

A. I, III and IV
B. II, III and IV
C. I, IV and V
D. II, III and V

Answer

C

Explanation

I. IV and V are correct statements.
II. Selaginella species are creeping or ascendant plants that produce heterospores ( megaspores and microspores).
III. Coralloid roots are developed in Cycas.They are produced as cluster at the base of stem. They are dichotomously branched and greenish brown in colour. They contain algal zone in the cortex. This algal zone contains Nostoc and Anabaena, which grow in symbiotic association with coralloid root.