Question

What Is the Difference Between Grana and Granum?

Answer 1

Grana: It is the stack or collection of disc-like structure present in the chloroplast.

Granum: It is the single disc-like disc-like structure present in the chloroplast.

Grana	Granum
It is the stack or collection of disc-like structures present in the chloroplast.	It the single disc-like structure present in the chloroplast, which is known as Thylakoid.
These are interconnected by stalk-like structures known as lamella.	They are placed above one another like a stack of coins.
Grana is a plural term.	Granum is a singular unit.