HOT Multiple Choice Questions for Chapter 3- Health: The Ultimate Treasure in Class VIII-Subject-Science
(A) Conceptual / Knowledge-based:
Q1. According to WHO, health means:
a) Only absence of disease
b) State of complete physical, mental, and social well-being
c) Good diet and exercise only
d) Sleeping well
Ans: b) State of complete physical, mental, and social well-being
Q2. Which of these is a non-communicable disease?
a) Cholera
b) Measles
c) Diabetes
d) Chickenpox
Ans: c) Diabetes
Q3. Which of the following spreads through mosquitoes?
a) Tuberculosis
b) Dengue
c) Typhoid
d) Cholera
Ans: b) Dengue
Q4. Which scientist discovered the first vaccine against smallpox?
a) Alexander Fleming
b) Edward Jenner
c) Robert Koch
d) Louis Pasteur
Ans: b) Edward Jenner
Q5. Which medicine group is effective only against bacteria?
a) Antibiotics
b) Vaccines
c) Painkillers
d) Antivirals
Ans: a) Antibiotics
Q6. Excessive screen time in children may cause:
a) Improved eyesight
b) Dry eye disease and anxiety
c) Faster growth
d) Better concentration
Ans: b) Dry eye disease and anxiety
Q7. Which of the following is a deficiency disease?
a) Cancer
b) Diabetes
c) Anaemia
d) Typhoid
Ans: c) Anaemia
Q8. Which organ is mainly affected in tuberculosis?
a) Heart
b) Lungs
c) Liver
d) Brain
Ans: b) Lungs
Q9. Hepatitis A virus primarily infects the:
a) Stomach
b) Liver
c) Intestine
d) Skin
Ans: b) Liver
Q10. The natural ability of our body to fight against diseases is called:
a) Nutrition
b) Immunity
c) Digestion
d) Metabolism
Ans: b) Immunity
(B) Competency-Based (Case/Scenario/Analysis)
Q11. A student feels lonely, spends long hours on social media, and develops headaches and sleep problems. What is the main cause of his illness?
a) Lack of exercise only
b) Mental and social health imbalance
c) Bacterial infection
d) Genetic disorder
Ans: b) Mental and social health imbalance
Q12. In a community survey, children had frequent diarrhoea due to contaminated water. Which preventive measure is MOST effective?
a) Only vaccination
b) Washing hands and drinking boiled water
c) Sleeping early
d) Eating more fruits
Ans: b) Washing hands and drinking boiled water
Q13. A farmer adds nitrogen fertilizer to soil for wheat, but his neighbour growing beans does not. Why?
a) Beans need less nitrogen
b) Beans absorb nitrogen from air with Rhizobium
c) Beans are non-living organisms
d) Beans grow without nutrients
Ans: b) Beans absorb nitrogen from air with Rhizobium
Q14. During monsoon, malaria cases increase. What is the main reason?
a) High sugar intake in people
b) Stagnant water allows mosquito breeding
c) Fast food consumption
d) Weak immunity in summer
Ans: b) Stagnant water allows mosquito breeding
Q15. A school records a rise in flu cases. Which immediate step is MOST important?
a) Close the playground
b) Encourage students to share lunch
c) Isolate sick students and promote mask use
d) Give antibiotics to everyone
Ans: c) Isolate sick students and promote mask use
Q16. A patient takes antibiotics for common cold but does not improve. Why?
a) Cold is caused by virus, not bacteria
b) Antibiotic dose is too low
c) He needs more rest
d) Antibiotics work only in winter
Ans: a) Cold is caused by virus, not bacteria
Q17. A boy regularly eats junk food and avoids exercise. Over time, he becomes overweight and develops fatigue. Which disease is he most at risk of?
a) Cholera
b) Diabetes
c) Malaria
d) Tuberculosis
Ans: b) Diabetes
Q18. A person bitten by a rabid dog develops infection. This disease is:
a) Non-communicable
b) Communicable (through animal bite)
c) Deficiency-related
d) Genetic
Ans: b) Communicable (through animal bite)
More MCQs:
Q19. In a dengue outbreak, which community measure is most effective?
a) Distributing free sweets
b) Controlling mosquito breeding in stagnant water
c) Increasing screen time
d) Using antibiotics
Ans: b) Controlling mosquito breeding in stagnant water
Q20. A patient recovers faster from measles after vaccination. Why?
a) Vaccine kills measles virus instantly
b) Vaccine prepared immune system to fight it earlier
c) Vaccine improves digestion
d) Vaccine increases oxygen supply
Ans: b) Vaccine prepared immune system to fight it earlier
Q21. Why is overuse of antibiotics dangerous?
a) They may cause sleep disorders
b) They make bacteria resistant
c) They increase sugar levels
d) They reduce oxygen
Ans: b) They make bacteria resistant
Q22. A family travels to a malaria-prone area but ignores mosquito nets. What may happen?
a) They will sleep better
b) They may contract malaria
c) They will become immune
d) Nothing happens
Ans: b) They may contract malaria
Q23. A person avoids breakfast every day. Which problem is most likely in long run?
a) Weakness and nutritional imbalance
b) High immunity
c) Reduced risk of disease
d) Better sleep
Ans: a) Weakness and nutritional imbalance
Q24. Which preventive step can help both communicable and non-communicable diseases?
a) Taking excessive antibiotics
b) Maintaining hygiene and balanced lifestyle
c) Eating only sweets
d) Staying awake at night
Ans: b) Maintaining hygiene and balanced lifestyle
Q25. A country successfully eradicated smallpox. Which public health strategy made this possible?
a) Antibiotics
b) Mass vaccination
c) Junk food ban
d) Home remedies only
Ans: b) Mass vaccination
Fill in the Blanks:
Q1. Health is not only absence of disease but a state of __________, __________ and __________ well-being.
a) Physical, mental, social
b) Emotional, financial, physical
c) Nutritional, physical, emotional
d) None of these
Ans: a) Physical, mental, social
Q2. Diseases caused by pathogens are called __________ diseases.
a) Communicable
b) Non-communicable
c) Lifestyle
d) Deficiency
Ans: a) Communicable
Q3. Excess consumption of fatty and sugary food leads to __________.
a) Anaemia
b) Obesity
c) Malaria
d) Tuberculosis
Ans: b) Obesity
Q4. Vaccines provide __________ immunity.
a) Artificial
b) Acquired
c) Weak
d) None
Ans: b) Acquired
Q5. The first antibiotic discovered was __________ by Alexander Fleming.
a) Tetracycline
b) Penicillin
c) Streptomycin
d) Amoxicillin
Ans: b) Penicillin
Q6. Dengue is caused by a __________ and spread by __________.
a) Bacteria, flies
b) Virus, mosquitoes
c) Worm, water
d) Fungus, insects
Ans: b) Virus, mosquitoes
Q7. Anaemia is caused due to deficiency of __________.
a) Vitamin A
b) Iron
c) Calcium
d) Iodine
Ans: b) Iron
Q8. The __________ Index tells us how clean or polluted the air is.
a) Hunger
b) Health
c) Air Quality
d) Fitness
Ans: c) Air Quality
Q9. Edward Jenner developed vaccine for __________.
a) Tuberculosis
b) Smallpox
c) Malaria
d) Cholera
Ans: b) Smallpox
Q10. Antibiotics are ineffective against __________.
a) Bacteria
b) Viruses
c) Worms
d) None
Ans: b) Viruses
True / False:
Q1. Non-communicable diseases spread from person to person. → False
Q2. Yoga and meditation support both mental and physical health. → True
Q3. Cholera spreads through contaminated food and water. → True
Q4. Vaccines cure diseases after we fall sick. → False
Q5. Excessive antibiotic use can cause resistance in bacteria. → True
Match the Following:
Q1. Match diseases with causal agents:
a) Tuberculosis → (i) Bacteria
b) Dengue →    (ii) Deficiency of iron
c) Malaria →     (iii) Virus
d) Anaemia →    (iv) Protozoa
Ans: a–1, b–iii, c–iv, d–ii
Q2. Match scientists with contribution:
a) Edward Jenner →     (i) Germ theory
b) Alexander Fleming →  (ii) Smallpox vaccine
c) Dr. Kamal Ranadive → (iii) Penicillin
d) Dr. M.K. Bhan →     (iv) Cancer research
e) Louis Pasteur →      (v) Rotavirus vaccine
Ans: a–ii, b–iii, c–iv, d–v, e–i
Q3. Match preventive measures with diseases:
a) Mosquito nets →    (i) Typhoid/Cholera
b) Boiled water →     (ii) Malaria/Dengue
c) Vaccination →      (iii) Ascariasis
d) Personal hygiene → (iv) Measles/Chickenpox
e) Mask wearing →    (v) Flu/TB
Ans: a–ii, b–i, c–iv, d–iii, e–v
Q4. Match signs and symptoms:
a) Jaundice →          (i) Hepatitis A
b) High fever with chills → (ii) Malaria
c) Blisters and rashes →  (iii) Chickenpox
d) Cough with blood →   (iv) Tuberculosis
e) Worms in stool →     (v) Ascariasis
Ans: a–i, b–ii, c–iii, d–iv, e–v
Q5. Match lifestyle with impact:
a) Regular exercise → (i) Obesity
b) Excess junk food → (ii) Stress reduction
c) Meditation →      (iii) Mental freshness
d) Adequate sleep → (iv) Lung diseases
e) Smoking →       (v) Healthy heart
Ans: a–v, b–i, c–ii, d–iii, e–iv
Assertion–Reason:
a) Both A and R are true, and R is the correct explanation of A.
b) Both A and R are true, but R is not the correct explanation of A.
c) A is true, R is false.
d) A is false, R is true.
Q1. Assertion (A): Health means more than just absence of disease.
   Reason (R): WHO defines health as complete physical, mental, and social well-being.
Ans: a) Both A and R are true, and R explains A.
Q2. Assertion (A): Antibiotics do not work against flu.
   Reason (R): Flu is caused by viruses.
Ans: a) Both A and R are true, and R explains A.
Q3. Assertion (A): Vaccines help prevent diseases before they occur.
    Reason (R): Vaccines train the immune system to recognise pathogens.
Ans: a) Both A and R are true, and R explains A.
Q4. Assertion (A): Communicable diseases cannot spread from one person to another.
   Reason (R): They are caused by lifestyle habits.
Ans: d) A is false, R is false.
Q5. Assertion (A): Overuse of antibiotics leads to antibiotic resistance.
    Reason (R): Some bacteria survive antibiotic use and multiply.
Ans: a) Both A and R are true, and R explains A.
To Learn more Click Below:
MCQs:
Chapter 1- Exploring the Investigative World of Science – CLICK HERE
Chapter 2- The Invisible Living World: Beyond Our Naked Eye – CLICK HERE
Chapter 3- Health: The Ultimate Treasure – CLICK HERE
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