Standard Science Primary 6 Energy

Which of the following is NOT required for a green plant to carry out photosynthesis?

A Oxygen
B Water
C Light energy
D Carbon dioxide
Show Worked Solution

Worked Solution

Step 1: Recall the word equation for photosynthesis: Carbon Dioxide + Water (in the presence of light and chlorophyll) → Sugar + Oxygen. Step 2: Oxygen is a product, not a requirement. Step 3: Plants take in CO2 and water to make food.

Correct answer: Oxygen

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