Consider the following statements regarding the importance of diffusion and choose the correct answer:
1. The exchange of gases takes place by the principle of dependent diffusion
2. The process of diffusion is involved in transpiration of water vapours
3. The ions are absorbed by the simple diffusion during passive salt uptake
4. Diffusion is an effective means of transport of substances over a very short distance and helps in the translocation of food materials

A. 1, 3 and 4 are true

B. 1 and 4 are true

C. 1, 2 and 3 are true

D. 2, 3 and 4 are true

Answer: Option D