(i) Unbranched filamentous body structure

(ii) Non-motile isogametes

Both the above features are present in

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.

Identify the figure and select and the correct option.

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.

Consider the following statements

(a) They vary in colour from olive green to various shades of brown depending upon the amount of xanthophyll present.

(b) Present at the great depths in the oceans where relatively little light penetrates.

(c) The sexual reproduction shows considerable variation in the type and formation of sex cells.

These statements are correct for which class of algae?

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.