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

The human body provides what for bacteria?

  1. Work and space

  2. Connections and food

  3. Food and space

  4. Clothes and food
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The human body provides a nutrient-rich environment (food) and physical space for bacteria to colonize, particularly in the gut and on the skin.

Multiple choice

Nitrogen is mostly used to make...

  1. Fat

  2. Carbohydrates

  3. Proteins

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

Nitrogen is a fundamental component of amino acids, which are the building blocks of proteins.

Multiple choice carbohydrates - definition and classification introduction to carbohydrates biomolecules chemistry

Carbohydrates are used by body mainly:

  1. for obtaining vitamins

  2. as a source of energy

  3. for building muscles

  4. for all its development needs
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbohydrates are used by body mainly as a source of energy. 


Carbohydrates represent the most important source of energy for the body, and are vital for a varied and balanced diet. 

The building blocks of all carbohydrates are sugars and they can be classified according to how many sugar units are combined in one molecule. Various forms of sugar, such as glucose and sucrose (table sugar), are simple carbohydrates. 

They are small molecules, so they can be broken down and absorbed by the body quickly and are the quickest source of energy. They quickly increase the level of blood glucose (blood sugar).

Option B is correct.

Multiple choice biology health and diseases non-infectious diseases non infectious diseases categories of diseases

Aflatoxins

  1. Are linked to cancer in animals

  2. Are intentional food additives

  3. Occur only in corn and peanut products

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Aflatoxins are naturally occurring mycotoxins that are produced by Aspergillus flavus and Aspergillus parasiticus, species of fungi. Aflatoxins are toxic and among the most carcinogenic substances known. After entering the body, aflatoxins may be metabolized by the liver or hydroxylated to become the less harmful aflatoxin M1. Grains such as corn, wheat, and rice, as well as nuts and legumes, are often contaminated with molds, often as a result of poor growing conditions, substandard or extended storage. Molds called aflatoxins can easily grow and produce a very potent carcinogen. 

Therefore, the correct answer is option A.

Multiple choice

When discussing nutrition, what does NPN stand for?

  1. Nonprotein nitrogen

  2. Neutral protein nitrogen

  3. Normal protein nitrogen

  4. Natural protein nitrogen
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

NPN stands for nonprotein nitrogen, which refers to compounds like urea that ruminants can use to synthesize microbial protein in the rumen.

Multiple choice zoology sustainable agriculture microbes and farming biopesticide environmental protection

Select the correct statements out of (a - d)
(a) Single celled Spirulina can produce large quantities of food rich in protein, minerals and vitamins
(b) Body weight-wise the microorganism Methyliphilus methylotrophus produces several times more protein than a cow per day
(c) Button Mushroom is a rich source of vitamin C
(d) A rice variety has been developed which is very rich in calcium

  1. c and d

  2. a, c and d

  3. b, c and d

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

Statement (a) is correct as Spirulina is a protein-rich single-cell protein. Statement (b) is correct because Methylophilus methylotrophus has a high biomass production rate due to its rapid growth. Statement (c) is incorrect as mushrooms are not significant sources of vitamin C, and (d) is incorrect in this context.

Multiple choice botany families of angiosperms family fabaceae eudicots family - fabaceae, sativum and solanaceae study of some important families

Among the following which one is the richest source of proteins

  1. Wheat (Triticum vulgare)

  2. Rice (Oryza sativa)

  3. Gram (Cicer arietinum)

  4. Ground nut (Arachis hypogea)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Arachis hypogea, commonly known as groundnut is a legume crop grown mainly for its edible seeds and edible oil. The protein content ranges from 22–30% of its total calories, making peanuts a great source of plant-based protein. They are also good sources of vitamin E, niacin, folate and manganese.

So, the correct answer is 'Groundnut 'Arachis hypogea'

Multiple choice botany families of angiosperms family fabaceae eudicots family - fabaceae, sativum and solanaceae study of some important families

Major source of protein is

  1. Oryza sativa

  2. Cicer arietinum

  3. Beta vulgaris

  4. Rhizobium leguminosarum
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The chickpea (Cicer arietinum) is a legume of the family Fabaceae, subfamily Faboideae. It is also known as gram or Bengal gram, garbanzo or garbanzo bean and sometimes known as Egyptian pea, ceci, cece or chana. Its seeds are high in protein. Chickpeas are a nutrient-dense food, providing rich content of protein, dietary fibre, folate, and certain dietary minerals such as iron and phosphorus. Thiamin, vitamin B6, magnesium and zinc contents are moderate. Chickpeas have a Protein Digestibility Corrected Amino Acid Score of about 76 percent, which is higher than fruits, vegetables, many other legumes, and cereals. So, major source of protein is Cicer arietinum compared to Oryza sativa (rice), Beta vulgaris (beet root) and Rhizobium (bacteria). 
Thus, the correct answer is option B.