MCQ practice · SSC Biology Board questions · Chapter 2: Cells and Tissues of Organisms
Stroma is a part of which one?
Think it through first, then pick an option.
- a Cell wall
- b Chloroplast
- c Mitochondrion
- d Ribosome
Answer and explanation
Correct answer: b Chloroplast
The stroma is the enzyme-holding part of the chloroplast.
Why the other options are wrong
- a Cell wall: The cell wall has no stroma; it is the outer protective layer.
- c Mitochondrion: The inside of the mitochondrion is called the matrix, not the stroma.
- d Ribosome: A ribosome has no stroma; it is a membrane-less granule.
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