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Dairying Practice Test: Chemistry of Milk
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Chemistry of Milk topics include: Basic chemical concepts, cow milk composition, milk physical properties, changes In milk and its constituents. Milk is a compound made up of water, fats, proteins, carbohydrates, minerals, organic acids, enzymes, and vitamins. It's also an oil-in-water emulsion.  Milk contains about 87.1% water, 4% fat, 4.6% lactose, 3.25% protein, and 0.7% minerals. The fat is mostly made up of triglycerides, which make up about 97–98.5% of the total lipid.  The remaining 13% of milk gives it its flavor and unique qualities. This includes: 27%: Lactose (milk sugar) 31%:... Show more
Dairying Practice Test: Chemistry of Milk
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25 Questions

1. Casein cannot be classified as _________
2. Opacity in milk is due to which of the following reasons?
3. Milk is ______ with blood.
4. The first milk that a cow produces after calving is called ________
5. Number of Protons and electrons in an atom are _______
6. _________ Value states the % of iodine that the fat can bind.
7. What is the result of heat treatment on proteins?
8. Freezing point helps to check which of the following adulteration in milk?
9. The charge on neutron is ______
10. _______ is the principal contributor to sunlight flavor.
11. Osmotic pressure is controlled by the number of molecules or particles, not the weight of solute.
12. The smallest part of an element that cannot exist as a free state is __________
13. Name the organic compounds which have amines and carboxyl functional group in them.
14. The acidity of a solution is dependent on which of the following?
15. Milk is an emulsion of _____ in water.
16. Approximate size of fat globules in milk solution is ______________
17. In an equation Fat%, SNF% and water determine‘d’. The‘d’ in this expression is?
18. Effect of Pasteurization on Vitamins in Milk ___________
19. Which of the following ways is not to make caseinate particles flocculate and coagulate?
20. pH of normal milk is _____ at 25℃.
21. Heat treatment on minerals results leads to ___________
22. Combination of glucose (C6H12O6) and galactose (C6H12O6) molecules result in:
23. Which of the following does not accelerate the rate of oxidation of fat?
24. Smaller particles in atom are called ________
25. The lactulose content ______ with increased intensity of the heat treatment.