$A$ : Thallophytes are non-vascular,non-archegoniate and non-cormophytic plants.
$R$ : Thallophytes lack vascular bundles,archegonia and differentiated plant body.

In Hammerling's nucleocytoplasmic experiments,$Acetabularia$ is used,which is a:

Pyrenoids are typically found in algae. $A$ pyrenoid is made up of:

Consider the following statements regarding the major pigments and stored food in the different groups of algae and choose the correct option:
$(i)$ In Chlorophyceae,the stored food material is starch and the major pigments are chlorophyll $-a$ and $d$.
$(ii)$ In Phaeophyceae,laminarin is the stored food and major pigments are chlorophyll $-a$ and $b$.
$(iii)$ In Rhodophyceae,floridean starch is the stored food and the major pigments are chlorophyll $-a, d$ and phycoerythrin.

Which one of the following shows similarity with blue-green algae on the basis of photosynthetic pigments?

In $Rhodophyta$,the stored food is .........