Long-distance transport of substances through the vascular tissue in plants is called

Read the following statements and state each as true (T) or false (F).

A. In a flowering plant, there is a complex and random traffic of compounds.

B. In rooted plants, transport in xylem is essentially unidirectional.

C. Organic and mineral nutrients undergo multidirectional transport.

D. When any plant parts undergo senescence, nutrients may be withdrawn from such regions and moved to the growing parts.

Read the following statements on diffusion and identify the statements that are correct:

A. Movement by diffusion is passive and slow.

B. Diffusion is obvious in gases and liquids.

C. Diffusion in solids, rather than of solids, is more likely.

D. In diffusion, molecules move in random manner.