SPM Biology Practice Questions - Sijil Pelajaran Malaysia (SPM) Biology Biologi - Subject Code 4551 Exam

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A piece of fresh potato is placed in a concentrated salt solution. After 30 minutes the potato becomes soft and limp. Which process best explains this observation?

Osmosis: water moves out of the potato cells into the hypertonic solution Active transport: salt is pumped into the cells using ATP Simple diffusion: salt diffuses out of the cells Endocytosis: the cells engulf the salt solution

Correct Answer:

Osmosis: water moves out of the potato cells into the hypertonic solution

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