Class 12 Biology MCQs | Chapter 7: Human Health And Disease – Part 1
GK Aim: A Treasure of MCQs

Class 12 Biology MCQs | Chapter 7: Human Health and Disease – Part 1

Timer: Off
Random: Off

11. Which statement best links health with social development?
ⓐ. Hospitals alone matter more than cleanliness
ⓑ. Health matters only after disease begins
ⓒ. Better health is linked with lower infant and maternal mortality
ⓓ. Good health has little effect on human life
12. Which approach best reflects a broad understanding of health promotion?
ⓐ. Treating illness only after severe symptoms appear
ⓑ. Combining nutrition, hygiene, awareness, and preventive care
ⓒ. Depending only on inherited resistance to disease
ⓓ. Avoiding exercise while increasing food intake
13. Which action best reflects health awareness at the personal level?
ⓐ. Taking medicines only after serious symptoms appear
ⓑ. Recognising risk factors early and adopting preventive habits
ⓒ. Avoiding all physical activity to conserve energy
ⓓ. Depending only on inherited resistance to illness
14. Which statement about vaccination is most accurate in relation to health maintenance?
ⓐ. It replaces the need for sanitation and clean food.
ⓑ. It improves health only after a disease is fully established.
ⓒ. It helps protect against specific infections before serious illness develops.
ⓓ. It is useful only when exercise and rest are not possible.
15. Which factor is best classified as a genetic influence on health?
ⓐ. Inherited disorder passed from parents to offspring
ⓑ. Contaminated drinking water used for several days
ⓒ. Lack of sleep during examination week
ⓓ. Irregular meals caused by busy routine
16. Which situation best shows an infectious factor affecting health?
ⓐ. Reduced exercise due to office work
ⓑ. Family history of an inherited disorder
ⓒ. Persistent stress caused by social isolation
ⓓ. Illness after consuming microbe-contaminated water
17. Which group contains only lifestyle-related factors that can influence health?
ⓐ. Genes, chromosomes, and inherited mutations
ⓑ. Bacteria, viruses, and protozoans
ⓒ. Food habits, rest, exercise, and personal routines
ⓓ. Vaccines, antibodies, and immune memory
18. A student sleeps poorly, skips meals, and avoids exercise for several months. The most direct interpretation is that health is being affected mainly by
ⓐ. viral adaptation inside the body
ⓑ. lifestyle-related factors
ⓒ. inherited molecular defects
ⓓ. mechanical injury alone
19. Which statement best describes the role of the mind in health?
ⓐ. Mental state affects health only after old age begins.
ⓑ. The mind influences health only in inherited disease.
ⓒ. Mental condition has no link with body defense mechanisms.
ⓓ. Mental stress can influence body functions, including immune responses.
20. Which option best explains how neural-endocrine factors affect health?
ⓐ. They can alter immune function through interactions between nerves, hormones, and body responses.
ⓑ. They make every infection hereditary after repeated exposure.
ⓒ. They convert lifestyle disorders directly into genetic diseases.
ⓓ. They prevent all microbes from entering the body.
Subscribe
Notify of
guest
0 Comments
Inline Feedbacks
View all comments
Scroll to Top