The female sex organ in red algae is flask-shaped and is known as

$A$ spore of Spirogyra sp. after the resting period is:

How does reproduction occur in Phaeophyceae?

In which of the following forms are algae found?

Seaweeds belong to which of the following groups?

Assertion $(A)$: In $Fucus$,the sporophytic phase is limited to the zygote only.
Reason $(R)$: In $Fucus$,the sporophytic phase is photosynthetic and independent.