Health & Disease: 19 MCQs with answers

Social

The WHO definition includes physical, mental, and social well-being, not merely the absence of disease.

To make the body weaker

Fever is a symptom that helps kill germs and signals the body's defense is working; it does not intentionally weaken the body.

Dengue

Dengue is caused by a virus spread through mosquito bites, making it communicable. Diabetes, cancer, and asthma are non-communicable.

Immunity

Immunity is the body's defense mechanism against diseases, often described as the body's army.

Sleeping late

Sleeping late is a bad habit that leads to tiredness and weakens health, unlike healthy eating and exercise.

Mosquito

Mosquitoes are vectors that carry and transmit pathogens for malaria and dengue.

False

Antibiotics kill bacteria, not viruses. They are ineffective against viral infections.

True

Cough and runny nose are symptoms that help expel germs, showing the body is fighting the infection.

False

Non-communicable diseases do not spread from person to person; they are linked to lifestyle and other factors.

Feeling of pain

Symptoms are what a person feels inside, like pain, and cannot be seen by others. Signs are measurable or visible, like fever or rash.

Vaccination and improved medical care

Vaccination, clean water, better hospitals, and health awareness have largely eradicated these germ-caused diseases.

Heart disease

Heart disease is linked to lifestyle factors like diet and exercise, whereas cholera, typhoid, and cold are caused by pathogens.

They teach the immune system to fight specific germs

Vaccines introduce weakened or dead germs, training the immune system to recognize and fight real germs later.

Overuse and misuse of antibiotics

Unnecessary use, not completing courses, and incorrect doses make bacteria resistant, so antibiotics stop working.

They act as soldiers to fight germs

White blood cells are the body's defense soldiers that activate to fight infections.

Scurvy

Scurvy is caused by lack of Vitamin C, making it a deficiency disease. Others are caused by pathogens.

Unhealthy lifestyle and diet

Diabetes is linked to lifestyle factors like junk food, lack of exercise, and stress, not germs.

Edward Jenner

Edward Jenner developed the smallpox vaccine after observing milkmaids' immunity from cowpox.

Body type

Ayurveda describes Prakriti as one's body type, influencing health practices like eating on time.