Food Science Questions and Answers Already Graded A
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Course
Food Science
Institution
Food Science
Food Science Questions and Answers
Already Graded A
What is the importance of pH in the fermentation process?
pH controls the activity of microorganisms during fermentation, affecting the taste, texture,
and preservation of the product.
Why are vitamins and minerals essential in food sc...
Food Science Questions and Answers
Already Graded A
What is the importance of pH in the fermentation process?
✔✔ pH controls the activity of microorganisms during fermentation, affecting the taste, texture,
and preservation of the product.
Why are vitamins and minerals essential in food science?
✔✔ Vitamins and minerals are essential for maintaining health and are important for nutritional
balance in food products.
How do acids affect the texture of fruits and vegetables when cooked?
✔✔ Acids can help maintain the firmness of fruits and vegetables by stabilizing the pectin in
their cell walls.
What is the role of water in cooking pasta?
✔✔ Water helps hydrate the starches in pasta, making it tender and allowing it to expand to the
desired texture.
1
,How do food preservatives inhibit microbial growth?
✔✔ Preservatives either slow down or stop the growth of bacteria, mold, and yeast, extending
the shelf life of food products.
What is the function of yeast in baking?
✔✔ Yeast ferments sugars, producing carbon dioxide and ethanol, which causes dough to rise
and develop texture.
Why is it important to use the correct ratio of ingredients in baking?
✔✔ The right ratio ensures that the chemical reactions between ingredients happen correctly,
resulting in the desired texture and flavor.
What effect does fat have on the texture of pastries?
✔✔ Fat tenderizes the dough, creating a flaky, light texture in pastries like croissants and puff
pastry.
What is the purpose of using corn syrup in candy making?
✔✔ Corn syrup helps prevent crystallization of sugar, giving candies a smooth texture and
preventing them from becoming grainy.
2
, Why are antioxidants added to food products?
✔✔ Antioxidants help preserve the freshness of food by preventing oxidation, which can lead to
spoilage and nutrient loss.
How does freezing affect the texture of fruits?
✔✔ Freezing can cause ice crystals to form inside fruit cells, which may make them mushy once
thawed due to cell wall damage.
Why is blanching used before freezing vegetables?
✔✔ Blanching helps deactivate enzymes that could degrade the flavor, texture, and color of
vegetables during freezing.
How do you create a stable foam in food?
✔✔ To create a stable foam, air is incorporated into the food matrix, usually with the help of
stabilizing agents like egg whites or cream.
What role does the protein albumin play in food science?
3
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