Give one example of diffusion in plants .

(a) What is meant by 'diffusion' ? Give one example of diffusion in gases. (b) Why do gases diffuse very fast ? (c ) Name two gases of air which dissolve in water by diffusion. What is the importance of this process in nature ?

Give one example of the diffusion of a solid in another solid.

Give an example of diffusion across plasma mrmbrane.

Give one example of a parasitic plant?

Give one example of dedifferentiation in plants.

Give one example of wind pollinated plant.

ADDITIONAL QUESTIONS: Give one example of bird pollinated plant.

Give examples of dioecious plants.