How many of the following structures in the algae are motile?

Zoospore, Chlamydospores, Akinetes, Gametes of Chlamydomonas, Gametes of Spirogyra, Gametes of Fucus, Gametes of Porphyra, Aplanospores.

Read the following statements and select the correct option.

The main plant body of bryophytes is

(a) More differentiated than algae.

(b) Lacked true roots, stems, or leaves.

(c) Gametophytic usually occurs in damp, humid, and shaded localities.

(d) Prostrate or erect and attached to the substratum by unicellular or multicellular rhizoids.

The correct options are:

Read the following statements and select the correct option:

(i) The thalli of most of the red algae are multicellular and some of them have complex body organization.

(ii) Food stored in red algae is complex carbohydrates which may be in the form of laminarin or mannitol.

Choose the correct option.

Choose the incorrect statements for red algae.

The mentioned features in the given below are related with:

Plant body has holdfast, stipe and frond

Pyriform zoospores with two laterally inserted unequal flagella.

Identify A, B, and C w.r.t. of their respective class.

Agar, one of the commercial products

a) is obtained from the cell wall of certain red algae.

b) is used to grow microbes.

c) is used in the preparation of ice cream and jellies.

Dominant phase of bryophyte bears _____.