List some important functions of roots.

List four important functions of blood.

List two important functions of cerebellum.

List some important applications of enzymes.

List important functions of bacterial plasma membrane.

List any three important functions of kidney.

Name the tissue that transports food in a plant. List its various components with one important function of each of the components.

(i) What are coupling reactions? How does the electrophilic substitution reaction take place during this reaction? (ii) List some important applications of diazonium salts.

List various components of xylem. Give basic feature and one important function of each of these.