Algae attached to stones are called:

In Chlorophyceae,which type of sexual reproduction is observed?

Assertion $(A)$: In algae,an embryo is formed from the zygote after fertilization.
Reason $(R)$: Algae reproduce sexually through conjugation.

Which of the following is not a fungal disease?

Which of the following is not correctly matched?

Apart from chlorophyll,algae have several other pigments in their chloroplasts. Which pigments are found in blue-green algae $(BGA)$,red algae,and brown algae,that are responsible for their characteristic colours?