Besides paddy fields, cyanobacteria are also found inside vegetative part of

(1) Pinus

(2) Cycas

(3) Equisetum

(4) Psilotum

Megasporangium is equivalent to

(1) embryo sac

(2) fruit

(3) nucellus

(4) ovule

Read the following statements (IV) and answer the question which follows them

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 sporophyte in liverworts is more elaborate than that in mosses.

How many of the above statements are correct?

(1) One

(2) Two

(3) Three

(4) Four

Meiosis takes place in

(1) Meiocyte

(2) Conidia

(3) Gemmule

(4) Megaspore

Cycas and Adiantum resemble each other in having

(1) seeds

(2) motile sperms

(3) cambium

(4) vessels

Which one of the following is a correct statement?

Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

(1) Diplontic life cycle

(2) Members of kingdom-Plantae

(3) Mode of nutrition

(4) Multiplication by fragmentation

Gymnosperms are also called soft wood spermatophytes because they lack

(1) cambium

(2) phloem fibres

(3) thick-walled tracheids

(4) xylem fibres

Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tends to be

(1) larger but to have smaller sex organs

(2) larger and to have large sex organs

(3) smaller and to have smaller sex organs

(4) smaller but to have larger sex organs

The gametophyte is not an independent, free living generation in

(1) Adiantum

(2) Marchantia

(3) Pinus

(4) Polytrichum