Question Paper
Class / Subject: Class 8 (CBSE) · Science
Chapter: Chapter 3 — Chapter 3: Health: The Ultimate Treasure
Time Allowed: 15 minutes
Max Marks: 6
1. Health is best defined as: [1]
(A) complete physical, mental and social wellbeing
(B) only physical fitness
(C) only absence of disease
(D) only mental wellbeing
2. Chronic stress, a mental health factor, can affect: [1]
(A) the immune system, weakening physical health
(B) nothing physical
(C) only social relationships
(D) only sleep patterns
3. Social health relates to a person's ability to: [1]
(A) interact positively with others and community
(B) only exercise regularly
(C) only eat healthy food
(D) only avoid disease
4. A substance used to build immunity against a disease is called a: [1]
(A) vaccine
(B) antibiotic
(C) hormone
(D) enzyme
5. Herd immunity occurs when: [1]
(A) enough people are vaccinated to reduce disease spread
(B) no one is vaccinated
(C) only children are vaccinated
(D) a disease has no vaccine
6. Vaccination has helped eliminate or greatly reduce diseases like: [1]
(A) smallpox and polio
(B) common cold
(C) all diseases entirely
(D) allergies