Fats are important food in our diet. kalpana wants to check the presence of fats in
different food items. For that she conducted the activity and based on that answer the
questions that follow.
i) What are fats?
ii) Name the food sample that contains fat.
iii) When we rub the food sample containing fat against a white paper what happens?
iv) What happens when we rub the food sample which does not have fat against a
white paper?
v) Does peanut contain fat?
Answers
Answer:
Fats are energy giving nutrients which give large energy when used.
It gives more energy than carbohydrates.
It is used when there is absence of carbohydrates
Ghee,oily foods have fat.
Paper turns translucent due to presence of oil
Yes
Explanation:
Hope it helps you my dear friend
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The answers are given as follows:
(i) Fats are referred to as a class of macronutrients called triglycerides. It is an ester of fatty acid. They can be of there types: unsaturated, saturated and trans fat.
(ii) Food samples that contain fat are vegetable oil, ghee, butter, and many more.
(iii) When we rub the food sample containing fat against a white paper, we observe a greasy spot on the paper. It is also observed to be translucent as light shines through it. This patch remains even after the paper is dried in air, confirming that it is not water but fat.
(iv) When we rub the food sample which does not have fat against a white paper, we observe a wet patch. This is due to the presence of water in food. We can confirm that it is water and not oil by letting the paper dry and observe that the patch has disappeared.
(v) Yes, peanut contains fat. They contain monosaturated and polyunsaturated fats that help to lower the levels of bad cholesterol.