Biology Practice: Nutrition (Mock Test 4 - Expert/Experimental Logic)
1. In an experiment, a student adds Iodine to a sample of chewed bread and it does not turn blue-black. What is the expert biological reason for this?
2. A clinical analysis shows a patient has "Pernicious Anaemia". This is logically linked to a deficiency in which specific factor?
3. When performing the "Ethanol Emulsion Test" for lipids, why does the appearance of a 'Milky Cloudiness' confirm the presence of fats?
4. Why is "Steapsin" (Pancreatic Lipase) considered more efficient than Gastric Lipase?
5. Which experimental logic explains why "Night Blindness" is the earliest clinical sign of Vitamin A deficiency?
6. A patient presents with "Delayed Blood Clotting" after a minor injury. Expert diagnosis would prioritize checking levels of:
7. In the "Biuret Test" for proteins, a violet color appears. This color change is specifically due to the reaction of Copper ions with:
8. "Balanced Diet" calculations for an athlete differ from a sedentary person primarily in terms of:
9. "Scurvy" was historically common among sailors. What experimental evidence led to the discovery of its cure?
10. Why is "Cellulose" (Roughage) not digested in the human body?
11. In the "Benedict's Test", why must the solution be heated in a water bath?
12. "Goitre" is more prevalent in hilly regions (Himalayas) because:
13. Which of the following describes the "Biological Value" (BV) of an egg protein?
14. What is the metabolic significance of "Brown Fat" found in infants?
15. "Kwashiorkor" is often called the 'Disease of the displaced child'. What is the expert logic behind this name?
16. Which nutrient acts as an "Antioxidant" protecting cell membranes from oxidative damage?
17. "Osteoporosis" in elderly women is often linked to the deficiency of:
18. The "Maltose" produced during digestion of starch is technically a:
19. "Dehydration" leads to the loss of both water and ________, requiring Oral Rehydration Salts (ORS).
20. Which of the following is a symptom of "Fluorosis" due to excess Fluorine in water?
