Sexual reproduction in algae results in the formation of

Sexual reproduction and mobile cells are absent in

Give scientific reasons: Algae are the most important primary producers.

Which of the following is known as the primitive plant?

In algae,asexual reproduction occurs by the production of different types of spores. The most common type of spore is

Assertion : Volvox,Ulothrix,Spirogyra and Chara are members of Chlorophyceae.
Reason : Usually they have a rigid cell wall made of an inner layer of cellulose and an outer layer of pectose.