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

The thallus organisation of $Volvox$ is

Haplontic life cycle is followed by:

Read the following statements and identify the characters related to the alga shown in the diagram:
$(a)$ It is a member of Chlorophyceae
$(b)$ Food is stored in the form of starch
$(c)$ It is a monoecious plant showing oogonium and antheridium
$(d)$ Food is stored in the form of laminarin or mannitol
$(e)$ It shows dominance of pigments chlorophyll $a, c$ and Fucoxanthin.
Choose the correct answer from the options given below:

Assertion $(A)$: Algae are found in various colors.
Reason $(R)$: Algae contain different types of pigments.

Plants which are not differentiated into roots,stems,and leaves are: