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Railways PYQCBT 1 2016

RRB NTPC · Question 37

Dried fruit like raisins when soaked in water, bulge and get filled with water. What is the scientific reason that explains this daily life event?

  1. Osmosis

  2. Active Transport

  3. Diffusion

  4. Passive Transport

Show answer & explanation

Answer: (A) Osmosis

Explanation

Raisins swell in water by osmosis: water moves through their skin (a semi-permeable membrane) from the water into the more concentrated sugary inside.