The Indian species of $Spirogyra$ in which Prof. Iyengar discovered direct lateral conjugation is:

Hormogonia are the vegetative reproductive structures found in:

In which of the following plants is the sporophytic generation represented only by the zygote?

The method of asexual reproduction in algae is -

Which of the following algae has a filamentous structure?

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: