Biology Practice: Hygiene (Mock Test 3 - Advanced Processes & Mechanisms)
1. What is the biochemical mechanism by which "Fluoridation" prevents dental decay?
2. The process of "Self-purification" of running water in rivers primarily involves:
3. How does "Soap" chemically assist in achieving microbial hygiene?
4. Which of the following is a mechanism of "Passive Immunity" related to infant hygiene?
5. "Eutrophication" in local water bodies is a hygienic concern caused by:
6. The mechanism of "Incineration" for disposing of hospital waste is preferred because:
7. Why is "Cross-contamination" a major risk in kitchen hygiene?
8. What is the physiological effect of "Night Blindness" resulting from poor nutritional hygiene?
9. "Bio-degradable" waste is distinguished by the process of:
10. The antimicrobial action of "High Salt" or "High Sugar" concentration in food preservation works by:
20. In the process of Sewage Treatment, "Secondary Treatment" is primarily a:
