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The membrane system of the chloroplast consists of

(a) grana and stroma lamellae Correct
(b) stroma and nucleoid Your answer
(c) cristae and matrix Your answer
(d) cisternae and vesicles Your answer

Your answer: Correct answer: (a)

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Explanation

Why (a) is correct

The membrane system of the chloroplast is made of grana (stacks of thylakoids) and stroma lamellae (membranes connecting the grana).

Why the other options are wrong

(b) · your answer The stroma is the matrix, not a membrane, and a nucleoid is the DNA region of prokaryotes.
(c) · your answer Cristae and matrix belong to the mitochondrion.
(d) · your answer Cisternae and vesicles describe the Golgi apparatus.

NCERT point: Thylakoid membranes trap light and make ATP and NADPH.

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