Biology ยท General Awareness

Nutrition and Food Sources

2,738 Questions

Nutrition and Food Sources questions test your knowledge of vitamins, dietary minerals, carbohydrates, and specialized dietary principles. This topic is commonly asked in railway, SSC, and UPSC exams. Review these questions to master the biological and health aspects of human nutrition.

Vitamins and mineralsDietary fiber sourcesMacronutrient functionsNaturopathic diet principlesOmega-3 fatty acids

Nutrition and Food Sources Questions

Multiple choice

Minerals, proteins, vitamins are together called__________.

  1. Nutritional food

  2. Protective foods

  3. Additional food

  4. Weaning food
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Minerals, proteins, and vitamins are essential nutrients that protect the body from diseases and maintain overall health. They are collectively classified as protective foods, whereas carbohydrates and fats are primarily energy-giving foods.

Multiple choice

Which one is not a diuretic food?

  1. Watermelons

  2. Cucumbers

  3. Watercress

  4. Rice
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Rice is a non diuretic substance. It does not help to increase urination.

Multiple choice

Cereal crops are source of ___________.

  1. proteins

  2. carbohydrates

  3. fats

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cereal crops, such as wheat, rice, and maize, are primary sources of carbohydrates in the human diet.

Multiple choice

'Pulses' are a rich source of

  1. carbohydrates

  2. proteins

  3. fats

  4. vitamins and minerals
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ans - 2

All kind of pulses are rich sources of proteins. Hence, they must be included in our diet.

Multiple choice

If we take food rich in lime juice, then

  1. action of ptyalin on starch in enhanced

  2. action of ptyalin on starch is reduced

  3. action of ptyalin on starch is unaffected

  4. action of ptyalin on starch stops
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ptyalin (salivary amylase) functions optimally in a slightly alkaline or neutral pH. Lime juice is acidic; therefore, it lowers the pH of the mouth, which inhibits or reduces the action of ptyalin on starch.