Biology ยท 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 skincare ingredients is known for its ability to protect the skin against air pollution damage?

  1. Retinol

  2. Hyaluronic acid

  3. Vitamin C

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

Vitamin C is a powerful antioxidant that helps to neutralize free radicals and protect the skin from environmental damage, including air pollution.

Multiple choice

Which vitamin is commonly enhanced through genetic engineering in rice?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Golden Rice, a genetically engineered rice variety, is known for its enhanced levels of beta-carotene, which the body converts into Vitamin A.

Multiple choice

Which vitamin is found in popcorn?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Popcorn is a good source of vitamin E, an antioxidant that helps protect cells from damage.

Multiple choice

Which of the following is NOT a macronutrient?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Carbohydrates, proteins, and fats are macronutrients, while vitamins are micronutrients.