Q.With reference to carbon nanotubes, consider the following statements. I. They can be used as carriers of drugs and antigens in the human body. II. They can be made into artificial blood capillaries for an injured part of human body. III. They can be made into artificial blood capillaries for an injured part of human body. IV. Carbon nanotubes are biodegradable. Which of the statements given above is/are correct?
Correct answer: I, II, III and IV