Food Tech Prelim Revision Questions and Answers Already Passed
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Course
Food Tech Prelim
Institution
Food Tech Prelim
Food Tech Prelim Revision Questions
and Answers Already Passed
What is the process of pasteurization, and how does it help preserve food?
Pasteurization involves heating food to a specific temperature for a set period to kill harmful
microorganisms. It helps extend shelf life while maintainin...
Food Tech Prelim Revision Questions
and Answers Already Passed
What is the process of pasteurization, and how does it help preserve food?
✔✔Pasteurization involves heating food to a specific temperature for a set period to kill harmful
microorganisms. It helps extend shelf life while maintaining the food’s nutritional content and
flavor.
Why are emulsifiers used in food products, and how do they work?
✔✔Emulsifiers help mix ingredients that typically don't combine well, such as oil and water.
They stabilize emulsions, like in mayonnaise or salad dressing, and prevent separation.
What is the difference between the nutritional value of whole grain and refined grain products?
✔✔Whole grains contain all parts of the grain (bran, germ, and endosperm), providing more
fiber, vitamins, and minerals. Refined grains are processed and stripped of the bran and germ,
reducing their nutritional value.
How does refrigeration help in food preservation?
✔✔Refrigeration slows down the growth of bacteria and enzymes in food, extending its shelf life
while retaining freshness and nutritional value.
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, What is the role of antioxidants in food, and how do they benefit health?
✔✔Antioxidants protect the body from free radicals that cause oxidative stress, reducing the risk
of chronic diseases like heart disease and cancer. They are found in fruits, vegetables, and nuts.
How do food additives enhance the taste and safety of food products?
✔✔Food additives, like preservatives and flavor enhancers, improve taste, texture, appearance,
and shelf life of products while ensuring food safety by preventing spoilage and bacterial growth.
Why is it important to control the pH level in food products like sauces and beverages?
✔✔Controlling pH ensures the stability and safety of food. An acidic environment in products
like sauces can prevent the growth of harmful bacteria, while maintaining taste and texture.
What impact does deep frying have on the fat content of food?
✔✔Deep frying increases the fat content of food as it absorbs oil during cooking. This adds
calories and can increase the risk of health issues like heart disease if consumed frequently.
How do different cooking methods affect the texture and flavor of food?
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