The structures that are formed by stacking of organised flattened membranous sacs in the chloroplasts are:
Correct answer: D. Grana
- A. Cisternae
- B. Stroma
- C. Cristae
- D. Grana
Explanation
Grana are stacks of thylakoids within the chloroplasts, where light-dependent reactions of photosynthesis occur. These are the correct structures formed by stacking of flattened membranous sacs.
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