Which one of the following disease is non – infectious ?

Cancer

The correct answer is Option (2) –Cancer

Diseases which are easily transmitted from one person to another, are called infectious diseases. Infectious diseases are very common and every one of us suffers from these at sometime or other. Some of the infectious diseases are ,common cold , covid-19, AIDS .

Cancer is a disease characterized by the uncontrolled growth and spread of abnormal cells in the body. It is caused by mutations in the genes that regulate cell growth and division. Cancer is not caused by infectious agents such as bacteria, viruses, or parasites, and it cannot be transmitted from person to person like infectious diseases.

• AIDS is caused by the HIV virus and is infectious.
• Covid-19 is caused by the SARS-CoV-2 virus and is highly infectious.
• Common cold is usually caused by rhinoviruses and is infectious.
• Cancer is a non-infectious disease caused by genetic mutations, environmental factors, or lifestyle choices, and cannot be transmitted from person to person.

AIDS, COVID-19, and the common cold are all infectious diseases caused by viruses or other infectious agents.