Pyrenoids in green algal cells are related to

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

The antibiotic "chlorellin" is extracted from which genus?

The zygote containing $4$ meiospores in $Spirogyra$ is called

In which of the following groups are all cells of the sex organs capable of forming gametes?

Identify the plant shown in the given figure.