Immunity & Vaccination

1. Which of the following diseases can be prevented by vaccination?
   a) Tuberculosis
   b) Smallpox
   c) Measles
   d) All of the above
   Answer: d) All of the above
2. Which type of immunity is provided by vaccines?
   a) Passive Natural Immunity
   b) Active Artificial Immunity
   c) Active Natural Immunity
   d) Passive Artificial Immunity
   Answer: b) Active Artificial Immunity
3. Which disease has been completely eradicated worldwide through vaccination?
   a) Tuberculosis
   b) Smallpox
   c) Malaria
   d) Polio
   Answer: b) Smallpox

✅ Disease Transmission & Prevention

4. Which of the following diseases is transmitted through contaminated water?
   a) Malaria
   b) Cholera
   c) Tuberculosis
   d) Influenza
   Answer: b) Cholera
5. Which disease is not caused by a virus?
   a) Chickenpox
   b) Influenza
   c) Tuberculosis
   d) Measles
   Answer: c) Tuberculosis
6. The causative agent of malaria is a:
   a) Bacterium
   b) Virus
   c) Protozoan
   d) Fungus
   Answer: c) Protozoan
7. How is malaria transmitted from person to person?
   a) Through contaminated food
   b) Through mosquito bites
   c) Through physical contact
   d) Through air
   Answer: b) Through mosquito bites

✅ Nutrition & Deficiency Disorders

8. Which vitamin deficiency causes rickets?
   a) Vitamin A
   b) Vitamin B12
   c) Vitamin C
   d) Vitamin D
   Answer: d) Vitamin D
9. Lack of which nutrient leads to goiter?
   a) Calcium
   b) Iron
   c) Iodine
   d) Phosphorus
   Answer: c) Iodine
10. Kwashiorkor is primarily caused by a deficiency of:
    a) Protein
    b) Carbohydrates
    c) Fat
    d) Vitamins
    Answer: a) Protein
11. Night blindness results from a deficiency of:
    a) Vitamin A
    b) Vitamin B2
    c) Vitamin C
    d) Vitamin K
    Answer: a) Vitamin A
12. Scurvy is caused by the deficiency of:
    a) Vitamin B
    b) Vitamin C
    c) Vitamin A
    d) Vitamin D
    Answer: b) Vitamin C
13. Pellagra is caused by the deficiency of which vitamin?
    a) Vitamin B1
    b) Vitamin B3 (Niacin)
    c) Vitamin B6
    d) Vitamin B12
    Answer: b) Vitamin B3 (Niacin)
14. Which mineral is essential for the formation of hemoglobin?
    a) Calcium
    b) Potassium
    c) Iron
    d) Sodium
    Answer: c) Iron
15. Which nutrient helps in blood clotting?
    a) Vitamin A
    b) Vitamin K
    c) Vitamin B12
    d) Vitamin D
    Answer: b) Vitamin K

✅ Miscellaneous Health Concepts

16. Which one of the following is an infectious disease?
    a) Diabetes
    b) Hypertension
    c) Tuberculosis
    d) Cancer
    Answer: c) Tuberculosis
17. The disease caused by the deficiency of insulin is:
    a) Anemia
    b) Diabetes
    c) Scurvy
    d) Rickets
    Answer: b) Diabetes
18. Which of the following is a waterborne disease?
    a) Typhoid
    b) Rabies
    c) Tuberculosis
    d) Pneumonia
    Answer: a) Typhoid
19. Oral Rehydration Solution (ORS) is primarily used to treat:
    a) Fever
    b) Vomiting
    c) Diarrhea
    d) Constipation
    Answer: c) Diarrhea
20. Which of the following organs is primarily affected by hepatitis?
    a) Kidney
    b) Liver
    c) Lung
    d) Heart
    Answer: b) Liver