| Read the following statements (IV) and answer the question which follows them [NEET 2013] |
| I. In liverworts, mosses and ferns gametophytes are free living. |
| II. Gymnosperms and some ferns are heterospores. |
| III. Sexual reproduction in Fucus, Volvox and Albugo is oogamous. |
| IV. The saprophyte in liverworts is more elaborate than that in mosses. |
| How many of the above statements are correct? |
A) One
B) Two
C) Three
D) Four
Correct Answer: B
Solution :
[b] Statement I, If and III are correct. In IV-sporophyte in mosses is more elaborate than in liverworts. V-Pinus is a monoecious plant, producing male and female cones every year. In Marchantia, plant body is strictly dioecious and isomorphic. Sex organs are found in specialised sexual receptacles called an thridiophore and archegoniophore.
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