4
QuizMultiple Choice

Unit Test — Unit test

Question 4 • WI-Grade 8 Life Science A

Which is the control center of the cell?

Answer
m
mitochondrion
r
ribosome
c
cytoplasm
n
nucleus

Explanation

The nucleus is the cell’s control center because it contains DNA, which provides instructions for the cell’s activities. Mitochondria release energy, ribosomes make proteins, and the cytoplasm is the fluid where many cell processes occur. Therefore, the correct choice is the nucleus.

AI-written and checked against the verified answer.

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