Biology · General Awareness

Nutrition and Food Sources

2,818 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

Which of the following is/are good source(s) of vitamin E?

  1. Meat

  2. Ghee

  3. Yellow yolks

  4. Fresh vegetables

  5. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fresh vegetables are a good source of vitamine E such as spinach, broccoli, red bell peppers, etc. Vitamin E is a vitamin that dissolves in fat. It is found in many foods including vegetable oils, cereals, meat, poultry, eggs, fruits, vegetables, and wheat germ oil. 

Multiple choice

Which of the following statements is false?

(a) In a balanced diet, energy-giving foods, body-building foods and protective foods are present in correct proportions. (b) No single food can supply all the components required for proper nutrition. (c) Green leafy vegetables, eggs, groundnuts and liver are a good source of iodine. (d) Roughage has no nutrition value but prevents constipation and is necessary for the proper functioning of the digestive system.

  1. Only a

  2. Only c

  3. Both b and d

  4. Only d

  5. Only b
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct option, as this statement is false. Green leafy vegetables, eggs, groundnuts and liver are a good source of iodine, is a false statement. They are a good source of iron. Iron is necessary in forming haemoglobin.

Multiple choice

Concentrates are the foods, rich in all the following except ______.

  1. proteins

  2. minerals

  3. fibres

  4. carbohydrates
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Reason: Concentrates are the foods which are low in fibre and contain high levels of proteins and other nutrients like carbohydrates and minerals. In general, animal feed includes: (a) roughage which is largely fibre, and (b) concentrates which are low in fibre and contain relatively high levels of proteins and other nutrients. Cattle need balanced rations containing all nutrients in proportionate amounts. Micronutrients are also needed for growth and they promote the health and milk output of dairy animals. Micronutrients are the nutrients needed in small quantities. These include dietary minerals needed by the body e.g. iron, cobalt, chromium etc. while macronutrients are required in large quantities e.g. carbohydrates, proteins and fats. Carbohydrates, proteins, and fats supply 90% of the dry weight of the diet and 100% of its energy. 

Multiple choice

Roughage includes _______ food.

  1. nutritious

  2. fibrous

  3. protein rich

  4. fat rich
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Reason: Roughage includes fibrous food. Roughage is the indigestible portion of foods. It has many functions in the animal body. For e.g. it adds bulk to the stool. It also speeds the passage of foods through the digestive system. Roughage does not provide any energy to the body. So, it is not nutritious. Therefore; option (A) is not the answer. Animal feed includes: (a) roughage which is largely fibre, and (b) concentrates which are low in fibre and contain relatively high levels of proteins and other nutrients.Therefore, (C) and (D) form the part of concentrates and not fibres.