Hormogonia are the vegetatively reproducing structures of

In brown algae,the brown colour is due to the presence of:

Which of the following are useful for curing goitre?

Read the following statements and identify the characters related to the alga shown in the diagram:
$(a)$ It is a member of Chlorophyceae
$(b)$ Food is stored in the form of starch
$(c)$ It is a monoecious plant showing oogonium and antheridium
$(d)$ Food is stored in the form of laminarin or mannitol
$(e)$ It shows dominance of pigments chlorophyll $a, c$ and Fucoxanthin.
Choose the correct answer from the options given below:

Polyuronic acids and polysulphate esters are characteristic of the cell wall of ........

Its cell wall is made up of cellulose and algin.