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

Which of the following nutrients is essential for the production of GABA, a neurotransmitter that plays a role in relaxation and sleep?

  1. Vitamin B6

  2. Vitamin B12

  3. Glutamine

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

Glutamine is an amino acid that is essential for the production of GABA.

Multiple choice

Which of the following nutrients is essential for the production of serotonin, a neurotransmitter that plays a role in mood regulation?

  1. Vitamin C

  2. Vitamin D

  3. Tryptophan

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

Tryptophan is an amino acid that is essential for the production of serotonin.

Multiple choice

Which of the following nutrients is essential for the production of dopamine, a neurotransmitter that plays a role in motivation and reward?

  1. Vitamin B12

  2. Vitamin B6

  3. Tyrosine

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

Tyrosine is an amino acid that is essential for the production of dopamine.

Multiple choice

Which of the following nutrients is essential for the production of norepinephrine, a neurotransmitter that plays a role in attention and focus?

  1. Vitamin C

  2. Vitamin D

  3. Phenylalanine

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

Phenylalanine is an amino acid that is essential for the production of norepinephrine.

Multiple choice

Which of the following nutrients is particularly important for masters athletes to consume in adequate amounts?

  1. Carbohydrates

  2. Protein

  3. Calcium

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

Protein is essential for muscle maintenance and repair, which becomes increasingly important as we age. Masters athletes should aim to consume 1.2-2.0 grams of protein per kilogram of body weight per day.

Multiple choice

Which of the following is a good source of vitamin C?

  1. Oranges

  2. Grapefruit

  3. Strawberries

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

Oranges, grapefruit, and strawberries are all good sources of vitamin C. Vitamin C is important for immune function and collagen production.

Multiple choice

Which supplement is commonly used to support joint health?

  1. Glucosamine

  2. Probiotics

  3. Omega-3 Fatty Acids

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

Glucosamine is a natural compound found in cartilage and is often used as a supplement to support joint health. It may help reduce pain and stiffness associated with osteoarthritis.

Multiple choice

Which supplement is commonly used to support immune function and reduce the risk of colds and flu?

  1. Vitamin C

  2. Echinacea

  3. Probiotics

  4. Omega-3 Fatty Acids
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Vitamin C is an essential nutrient that plays a crucial role in immune function. It helps support the production of white blood cells and antibodies, which are important for fighting off infections.

Multiple choice

Which supplement is commonly used to support heart health and reduce the risk of cardiovascular diseases?

  1. Omega-3 Fatty Acids

  2. Probiotics

  3. Vitamin C

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

Omega-3 Fatty Acids, particularly EPA and DHA, are essential fatty acids that play a crucial role in heart health. They have been studied for their potential benefits in reducing the risk of heart disease, lowering blood pressure, and improving cholesterol levels.

Multiple choice

Which of the following is a natural antioxidant?

  1. Vitamin C

  2. Vitamin E

  3. Beta-carotene

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

Vitamin C, vitamin E, and beta-carotene are all natural antioxidants.

Multiple choice

Which vitamin is crucial for calcium absorption and bone health in women?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin D is essential for calcium absorption and bone mineralization, and its deficiency can contribute to osteoporosis.

Multiple choice

Which vitamin is essential for the absorption of calcium?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin D is essential for the absorption of calcium from the digestive tract, which is crucial for maintaining strong bones and teeth.

Multiple choice

Which vitamin is essential for the prevention of scurvy?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin C is essential for the prevention of scurvy, a disease caused by a deficiency of vitamin C, which leads to impaired wound healing and weakened immune function.

Multiple choice

Which vitamin is commonly deficient in a plant-based diet and needs to be supplemented?

  1. Vitamin B12

  2. Vitamin D

  3. Vitamin C

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

Vitamin B12 is primarily found in animal products, so it is important for vegans to supplement with vitamin B12 to ensure adequate intake.

Multiple choice

Which of the following is a good source of vitamin D for older adults?

  1. Fatty fish

  2. Eggs

  3. Fortified milk

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

Fatty fish, eggs, and fortified milk are all good sources of vitamin D for older adults. Vitamin D is essential for absorbing calcium and maintaining strong bones.