Biology · General Awareness

Vitamins and Nutrition

1,549 Questions

Review essential concepts of human nutrition, focusing on macro and micronutrients. The questions cover vitamin deficiencies, sources, and their physiological roles such as blood clotting and vision. This material is highly relevant for the general science section of various government exams.

Vitamin sources and functionsMacronutrients for energyBlood coagulation vitaminsDeficiency diseasesNutrient absorption mechanisms

Vitamins and Nutrition Questions

Multiple choice

Which of the following is not matched correctly?

  1. Calciferol : Vitamins D

  2. Retinol : Vitamin A

  3. Thiamine : Vitamin B

  4. Niacin : Vitamin C

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Niacin is the scientific name of vitamin B3. While vitamin C is scientifically known as ascorbic acid.

Multiple choice

What is haemoglobin?

  1. A protein

  2. A fat

  3. A vitamin

  4. A carbohydrate

  5. Either a fat or a vitamin
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

 Haemoglobin, a blood pigment, is a protein which carries oxygen from one part of the body to another.

Multiple choice evs animal- the base of our life uses of animals agro-complimentary occupations improvement of crop production animal husbandry

Which of the following are the richest sources of vitamin B$ _{12}$?

  1. Rice and hen's egg

  2. Carrot and chicken's breast

  3. Goat's liver and spirulina

  4. Goat's liver and shellfish
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vitamin B$ _{12}$ is also called as cobalamin. It is a water-soluble vitamin. It helps in normal functioning of the brain and nervous system as it is involved in the synthesis of myelin. The best sources of Vitamin B$ _{12}$ include eggs, milk, cheese, milk products, meat, fish, shellfish and poultry. Goat's liver and kidney and spirulina are excellent sources of vitamin B$ _{12}$.

Thus, the correct answer is option C.

Multiple choice botany plant breeding biotechnology for improved food quality plant breeding for food production

Which of the following nutritional quality can be improved by biofortification?

  1. Protein quality

  2. Oil content quality

  3. Vitamin content

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biofortification is the method in which the food is added or supplemented with the required nutrients. It is a process of breeding crops with higher levels of vitamins, minerals, proteins, and fat content. The new varieties of legume plants can be developed through hybridization to produce more amount of proteins in the seeds. The plants whose seeds are used for the extraction of oil can be fortified to produce more oil. The staple crops like rice can be fortified to produce beta-carotene which is the precursor form of vitamin A. 

Thus, the correct answer is option D. 

Multiple choice botany plant breeding biotechnology for improved food quality plant breeding for food production

Orange super bananas is a common food produced by biofortification are common in areas where 

  1. Banana is a staple food

  2. Vitamin A deficiency prevails

  3. Vitamin D deficiency prevails

  4. Both A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biofortification is the method in which the food is added or supplemented with the required nutrients. The bananas are generally consumed by all the people. The regions where banana are used as staple food, the banana can be fortified with essential nutrients like beta-carotene production which is the precursor of vitamin A. Due to the presence of carotene, the colour of the banana is orange, and so called as the orange super bananas. The consumption of this banana can help to prevent the deficiency disorders due to less intake of vitamin A. 

Thus, the correct answer is option D.