Question 9
Photosynthesis and Plant NutritionThe diagram below is an illustration of a cell in which photosynthesis takes place. The oxygen gas formed in the cell diffuses out of the cytoplasm into the air spaces through the part labelled
- A.I.
- B.II.
- C.III.
- D.IV.
Show the answer and explanation
Answer: C (III.)
Explanation
Oxygen leaving the cell must pass through the cell membrane and cell wall at the edge of the cell, labelled III.