The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are :
A
Stroma lamellae
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B
Stroma
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C
Grana
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D
Cristae
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Solution
The correct option is C Grana Chloroplasts is double membrane bound. The space limited by the inner membrane of the chloroplast is called the stroma.
A number of organized flattened membranous sacs called the thylakoids, are present in the stroma. Thylakoids are arranged in stacks like the piles of coins called grana (singular: granum) or the intergranal thylakoids.