Advanced Science Primary 3 Cycles

Ravi observed that a seedling has two leaves that eventually shrivel and fall off. What is the main function of these 'seed leaves'?

A To capture sunlight for photosynthesis.
B To protect the young plant from pests.
C To provide food for the seedling before it can make its own.
D To absorb water from the soil.
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Worked Solution

Step 1: Seedlings cannot photosynthesise until true leaves develop. Step [2-9]: The seed contains stored food in the seed leaves (cotyledons). Step [2-9]: Once exhausted, the seed leaves shrivel and fall.

Correct answer: To provide food for the seedling before it can make its own.

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