Plant Kingdom T...

Mosses and ferns are

Which is a character of rhodophyceae?

Which is a phaeophycean alga?

Which is true about mosses?

Consider the following four statements and select the two wrong ones.
(a) Sporophyte of liverworts is more elaborate than that of mosses.
(b) Salvinia is heterosporous.
(c) Life cycle of all seed plants is diplobiontic.
(d) In Pinus, male and female cones are borne on different trees.

I. In Rhodophyceae, food is stored as mannitol and laminarin. II. Ovules of gymnosperms are not enclosed by ovary wall. III. Salvinia is heterosporous. IV. In diplontic life cycle, free living gametophyte represents dominant phase. Of the above statements.

To which class space alga Chlorella belongs.

The alga which can be employed as food for human beings is

Find the wrong statements.
$$(a)$$ Ulothrix and Spirogyra are filamentous forms
$$(b)$$ Porphyra and Laminaria are fresh water algae
$$(c)$$ Stored food is in the form of mannitol in rhodophyceae
$$(d)$$ Chlorella and Spirulina are unicellular algae

This provides brown colour to algae.