CBSE Class 8 Science Health The Ultimate Treasure (Class 8 NCERT New) Quiz 1

1. According to the World Health Organization (WHO), “health” means which of the following?

A Absence of disease and disability only B A state of complete physical, mental and social well-being C Having a strong body and no pain D Being able to work for long hours every day

2. Which one of the following is a sign rather than a symptom?

A Pain in the abdomen B Feeling tired all day C Fever (high body temperature) D Dizziness when standing up

3. Which of the following diseases is non-communicable?

A Typhoid B Dengue C Diabetes D Chickenpox

4. What is the main function of a vaccine?

A To kill all pathogens in the body immediately B To teach the immune system to recognise the germ C To replace antibiotics when the person falls ill D To give energy to the white blood cells

5. Which of the following preventive measures helps both communicable and non-communicable diseases?

A Only vaccination campaigns B Only use of mosquito nets and repellents C Balanced diet, regular exercise, hygiene and a clean environment D Taking antibiotics regularly as a routine

6. In the context of disease spread, which statement is false?

A Mosquito can act as a vector for malaria. B A non-communicable disease can spread from one person to another. C Contaminated water can transmit diseases like hepatitis A. D Pathogens include bacteria, viruses and protozoa.

7. Which scenario best illustrates acquired immunity?

A Having a strong body because of good diet from childhood. B Developing protection after receiving a vaccine against measles. C Feeling energetic and fresh after good sleep. D Building muscle by lifting weights regularly.

8. Which of the following is not a typical risk factor for lifestyle-related non-communicable diseases?

A Sedentary lifestyle (little exercise) B Unbalanced diet high in fats and sugars C Getting older in age D Catching a viral infection from a friend

9. If a student is experiencing frequent headaches, eyestrain, and poor sleep due to excessive screen time and social isolation, which dimension(s) of health are being affected?

A Only physical health B Only social health C Only mental health D Physical, mental and social health all

10. Which pair is mismatched?

A Protozoa – cause of malaria B Use of mosquito net – preventive for dengue C Antibiotics – effective against viral infections D Vaccination – helps build immunity before actual infection