Biology Practice: Health, Diseases and Hygiene (Mock Test 3 - Advanced Processes)
1. How do "Vaccines" protect the body from future infections?
2. Why are "Antibiotics" effective against Bacteria but not against Viruses?
3. The process of 'Pasteurization' involves heating milk to 70°C and then:
4. How does the 'Inflammatory Response' (swelling/redness) help during an injury?
5. Which of the following describes 'Active Immunity'?
6. Why is 'Stagnant Water' (standing water) a health hazard?
7. The mechanism by which WBCs 'engulf' and digest bacteria is called:
8. What is the advanced purpose of 'Refrigeration' in food hygiene?
9. Which of the following is a symptom of 'Amoebic Dysentery'?
10. 'Disinfection' differs from 'Sterilization' because disinfection:
11. Why is 'Iodized Salt' recommended by health organizations globally?
12. How does 'Bleaching Powder' act as a disinfectant for water tanks?
13. The main reason for 'Deworming' children every six months is to:
14. What is the specific effect of 'Tobacco' on the respiratory system?
15. 'Hepatitis A' is primarily transmitted through:
16. 'Antiseptics' are chemicals used to:
17. Which component of 'Balanced Diet' is most critical for building a strong immune system?
18. Why is 'Spitting in public' considered a major health risk?
19. 'Dehydration' during diarrhoea is dangerous because it leads to:
20. The first line of defense in the human body against pathogens is:
