The cell wall of algae is made up of . . . . . . .

The cell wall of algae is composed of which of the following?

Which of the following is an algal parasite?

Assertion : Members of Phaeophyceae vary in colour from olive green to various shades of brown.
Reason : Phaeophyceae possess chlorophyll $a, c$,carotenoids and xanthophylls.

Which type of sexual reproduction is found in $Spirogyra$?

In the $Chlorophyta$ (green algae),the reserve food consisting of protein surrounded by starch forms a compact body termed: