Algae with photosynthetic pigments possess which type of nutrition?

Which of the following algae is unicellular?

Which of the following statements are true regarding the figure given below?
$(i)$ It shows oogamy and post-fertilization development.
$(ii)$ Male gamete is small and motile.
$(iii)$ Stored food is floridean starch.
$(iv)$ Pectin,cellulose,and polysulphate esters are present in the cell wall.

The most common asexual structure produced in algae is:

What is correct for $Porphyra$ and $Laminaria$?

Which plants are known as primitive plants?