Biology ยท General Awareness

Vitamins and Nutrition

1,711 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 general knowledge science & technology

Which of these does not generate energy but are still essential for body?

  1. Fats

  2. Proteins

  3. Vitamins

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

Vitamins are organic compounds that the body requires in small amounts for proper metabolic function but do not provide energy. They act as cofactors for enzymes and support various physiological processes. In contrast, carbohydrates, fats, and proteins are macronutrients that yield energy when metabolized.

Multiple choice general knowledge science & technology

Vitamin A is in which source

  1. Meat, milk, liver cereals

  2. Fish liver oil, yolk and milk

  3. Carrot, green vegetables, milk, butter, egg

  4. Yeast, milk and liver cereals
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vitamin A is found in animal sources like liver, egg yolk, milk, and butter (as retinol) and plant sources containing carotenoids like carrots and green vegetables (as beta-carotene which converts to Vitamin A). Option C is the most comprehensive and accurate list covering both categories.

Multiple choice general knowledge science & technology

Vitamin B2 is

  1. Thiamine

  2. Calciferol

  3. Riboflavin

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

Vitamin B2 is the chemical name for Riboflavin. Thiamine is Vitamin B1, Calciferol is Vitamin D, and Niacin is Vitamin B3. Riboflavin is essential for energy metabolism and cellular function.

Multiple choice general knowledge science & technology

Observation leading to discover y for Scurvy in sailors living on diets lacking tomatoes, fresh fruits and vegetable is in

  1. Vitamin C

  2. Vitamin B1

  3. Vitamin D

  4. Vitamin B6
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Scurvy is caused by Vitamin C (ascorbic acid) deficiency. Sailors on long voyages without fresh fruits and vegetables developed scurvy. The discovery that citrus fruits prevented scurvy was a major medical breakthrough. The question has a typo 'discover y' which likely meant 'Vitamin C'.

Multiple choice general knowledge science & technology

Which food group is responsible for the release of prothrombin, which is responsible for blood clotting?

  1. Dietary potassium

  2. Protein

  3. Vitamin E

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

Vitamin K is essential for synthesizing prothrombin and other clotting factors in the liver. Without it, blood cannot clot properly. Potassium is an electrolyte. Proteins are building blocks. Vitamin E is an antioxidant unrelated to clotting.

Multiple choice general knowledge

Which Vitamin is essential for Skin

  1. A

  2. E

  3. D

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

Vitamin D is essential for skin health and overall body function. It's synthesized in skin when exposed to UV light and helps with calcium absorption. While vitamins A, E, and C also support skin, Vitamin D is the most comprehensively critical.

Multiple choice general knowledge

Phylloquinone is the chemical name of?

  1. Vitamin D

  2. Vitamin E

  3. Vitamin K

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

Phylloquinone is the chemical name for Vitamin K1, which is essential for blood clotting and bone health. It's found in green leafy vegetables like spinach, kale, and broccoli. Vitamins D, E, and C have different chemical names (calciferol, tocopherol, and ascorbic acid respectively).

Multiple choice general knowledge

Which of the following nutrients contain amino acids which are required for formation of different parts of the body?

  1. Protein

  2. Calcium

  3. Vitamin C

  4. Vitamin B
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Proteins are composed of amino acids, which are the building blocks for body tissues including muscles, skin, organs, and hair. Calcium is a mineral for bone health, Vitamin C supports immunity and collagen synthesis, and Vitamin B aids metabolism - none of these contain amino acids.

Multiple choice general knowledge

Which of the following nutrients is also an anti oxident?

  1. Calcium

  2. Vitamin C

  3. Iron

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

Vitamin C (ascorbic acid) is a potent antioxidant that neutralizes free radicals and protects cells from oxidative damage. Calcium is a mineral for bones, Iron is for blood health, and Vitamin B complex supports metabolism - none function primarily as antioxidants.

Multiple choice general knowledge science & technology

Darker green vegetables contain more vitamin C than lighter green vegetables.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Darker green vegetables generally contain higher concentrations of vitamins, including vitamin C, because the darker color indicates higher chlorophyll content and typically greater nutrient density. Vegetables like kale, spinach, and broccoli (dark green) tend to have more vitamin C than lighter greens like iceberg lettuce or celery.