Standard Science Primary 5 Systems

Which of the following are necessary for a plant to carry out photosynthesis?

A Soil, Water, Oxygen
B Water, Carbon Dioxide, Sunlight, Chlorophyll
C Food, Water, Air
D Water, Oxygen, Sunlight
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Worked Solution

Step 1: Photosynthesis is the process of making food in green leaves. Step 2: Requirements: Light energy, Carbon Dioxide (from air), Water (from roots). Step 3: Chlorophyll (green pigment) is needed to trap the light.

Correct answer: Water, Carbon Dioxide, Sunlight, Chlorophyll

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