Tusomesasa.

Describe the importance of diffusion in plants.(10 marks)

Suggested resposponses

a.Diffusion allows gases like carbon dioxide (CO₂) and oxygen (O₂) to move across cell membranes;

For photosynthesis, CO₂ diffuses into leaf cells through stomata, while O₂ (a byproduct) diffuses out. In respiration, O₂ diffuses in for energy production, while carbon IV oxide diffuses out as waste;

b. Water and Nutrient Movement;

Water and...