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Photosynthesis — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyPhotosynthesis1 Mark
MCQ
The ground substance present in chloroplast is:
  • A
    Stoma
  • ✓
    Stroma
  • C
    Grana
  • D
    Thylakoids
✓

Answer

Correct option: B.
Stroma
(b) Stroma
Explanation :
The stroma is the dense fluid-filled matrix within the chloroplast that contains enzymes involved in the synthesis of carbohydrate molecules during photosynthesis. It is distinct from the grana and thylakoids, which are involved in the light-dependent reactions.

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