1(vii)
The optimum temperature for photosynthesis is:
- (a)10 – 15°C
- (b)60 – 65°C
- (c)40 – 45°C
- (d)25 – 35°C
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25 – 35°C
Reason — Photosynthesis is most efficient at moderate warm temperatures. Temperatures between 25 – 35°C provide the best conditions for the enzymes involved in photosynthesis to work effectively.