Difference between Diffusion and Osmosis

Q. Which of the following statements is true w.r.t both osmosis and diffusion

1. Occurs in both living and non-living systems
2. Does not require external energy to drive these processes
3. Takes place along the concentration gradient.
4. All of these

Q. Which of the following is true w.r.t diffusion and not osmosis

1. Movement of solid, liquid and gas
2. Movement of solvent only.
3. Movement of water across a membrane
4. Movement molecules need not involve a membrane.

Q. Which of the following is not example of diffusion

1. A tea bag placed in water infusing
2. Smell of the perfume spreading
3. raisins placed in water swell.
4. Food colouring dropped in water