CBSE Class 8 Science Health The Ultimate Treasure (Class 8 NCERT New) Quiz 6

1. Which is a non-communicable disease example linked to lifestyle and environment?

A Diabetes B Typhoid C Chickenpox D Dengue

2. Which method is a common way pathogens spread between people?

A Eating fresh fruit B Airborne droplets from coughing or sneezing C Listening to loud music D Exposure to sunlight

3. Which term names insects that transmit pathogens between hosts?

A Filters B Vectors C Vaccines D Carriers

4. Which preventive step directly reduces spread of respiratory infections?

A Sharing personal items with friends B Taking more sugar in diet C Keeping windows always closed D Covering mouth and nose when coughing or sneezing

5. Which pair correctly matches disease type with cause?

A Communicable—pathogens; Non-communicable—lifestyle and environment B Communicable—exercise; Non-communicable—vaccines C Communicable—age; Non-communicable—mosquitoes D Communicable—diet; Non-communicable—air droplets

6. A community reports increased cases of dengue after heavy rains. Which explanation shows strategic thinking about spread?

A Sharing textbooks directly transfers viruses causing dengue B Stagnant water boosted mosquito breeding, increasing transmission C Only older adults can catch dengue after rainstorms D Cold temperatures killed all bacteria in air, stopping spread

7. Which set lists correct preventive measures for common cold and influenza?

A Wash hands frequently, avoid sharing items, cover mouth and nose B Avoid bathing daily, eat only spicy foods, stay indoors always C Take antibiotics for every cough, share towels, skip sleep D Never isolate sick people, avoid vaccination, talk loudly

8. Which organ is primarily affected in tuberculosis (TB)?

A Liver B Lungs C Intestine D Skin

9. Which causal agent is responsible for cholera?

A Virus B Worms C Protozoa D Bacteria

10. A person has jaundice and pain in the upper right abdomen. Which disease best matches these symptoms?

A Typhoid B Malaria C Hepatitis A D Cholera