CBSE Class 11-science Answered

I. In cycad and pinus, the gametophytes are not free-living. They are dependent on the sporophyte. So, this is a correct statement.

II. Majority of the ferns are homosporous while all gymnosperms are heterosporous. So, this is an incorrect statement.

III. Sexual reproduction in Volvox, Gracilaria and Gelidium is oogamous. So, this is a correct statement.

IV. Spores in funaria are formed after meiosis. So, this is a correct statement.

V. Both cycas and marchantia are dioecious. So, this is a correct statement.

So, of the given statements, four statements are correct. Option d is the correct option.