Which of the following algae produces carpospores?

Chlorophyll $c$ and $d$ are characteristic pigments of ........ respectively.

The stored food in Phaeophyceae is .....

Consider the following statements:
$I.$ In red algae,vegetative reproduction takes place by fragmentation.
$II.$ In red algae,the food is stored as floridean starch,which is very similar to amylopectin and glycogen in structure.
$III.$ The cell wall of red algae consists of chitin.
Which of the statements given above are correct?

Which of the following groups reproduces sexually by non-motile gametes?

Write a note on Rhodophyceae.