Question

What is the meaning of grana

Answer 1

the stacks of thylakoids embedded in the stroma of a chloroplast.

Answer 2

Answer :-

Generally, a **Granum can be defined as a complete stack of Thalakoids in a Chloroplast.

Extra Information :-

• About 40-60 *Grana are present in one Chloroplast.

• 2 **Granum are interconnected by a Stroma lamella. Such an interconnection is called a "Fruct channel".

• About 2-100 Thalakoids are stacked to form one **Granum.

• Light reaction of Photosynthesis takes place in the *Grana.

• *Grana are absent in the bundle sheath of "C4 plant" and in the Chloroplast of "Algae".

Note :-

**Granum - Singular

*Grana - Plural