Non-Communicable Diseases (NCDs):

Correct option is B

Sol. Non-Communicable Diseases (NCDs) are medical conditions or diseases that are not caused by infectious agents and cannot be transmitted from person to person. They are typically chronic and progress slowly, including conditions like heart disease, stroke, cancer, diabetes, and chronic respiratory diseases.​
Explanation of each option:
· (a) Can spread from one person to another – Incorrect. NCDs are not contagious and cannot be spread between individuals.​
· (b) Do not spread from one person to another by contact – Correct answer. NCDs are non-infectious and cannot be transmitted through contact.​
· (c) Are spread by vectors – Incorrect. NCDs are not transmitted by vectors; this is characteristic of certain communicable diseases.​
· (d) None of the above – Incorrect. Option (b) correctly describes NCDs.