Standard Science Primary 5 Systems

Siti observed a cell under a microscope and noticed a part that controls all activities within the cell. Which part did she observe?

A Chloroplast
B Cell wall
C Cytoplasm
D Nucleus
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Worked Solution

Step 1: Identify the function described (controlling cell activities). Step 2: Recall cell anatomy. Step 3: The nucleus contains genetic material and acts as the control centre.

Correct answer: Nucleus

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