Biology · 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

Orange is a rich source of

  1. vitamin B1

  2. vitamin B2

  3. vitamin B6

  4. vitamin A

  5. vitamin D
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Orange is a rich source of vitamin A.

Multiple choice

Which of the following are the correct components required for blood clotting?

  1. Prothrombin, calcium, vitamin A, platelets

  2. Albumin, globulin, vitamin K, calcium

  3. Prothrombin, fibrinogen, Power Stewart factor, calcium

  4. Heparin, calcium, vitamin D, Hageman factor

  5. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Prothrombin is converted to thrombin by thromboplastin; fibrinogen is converted into fibrin which ultimately produces clot. Power Stewart factor is the factor X essential for blood clotting. Calcium is another essential factor in blood clotting.

Multiple choice

Match the following:

 
(1) Vitamin A (a) Rickets
(2) Vitamin C (b) Cataract
(3) Vitamin D (c) Anemia
(4) Vitamin B12 (d) Scurvy

  1. (1) - (b), (2) - (d), (3) - (a) and (4) - (c)

  2. (1) - (b), (2) - (d), (3) - (c) and (4) - (a)

  3. (1) - (c), (2) - (d), (3) - (a) and (4) - (b)

  4. (1) - (a), (2) - (b), (3) - (c) and (4) - (d)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

(1) Vitamin A - (b) Cataract (2) Vitamin C - (d) Scurvy (3) Vitamin D - (a) Rickets (4) Vitamin B12 - (c) Anemia

Multiple choice

Consider the following statements:

  1. Vitamin D helps in the absorption of calcium in the gut.
  2. Liver oil is rich in vitamin A.

Which of the given statements is/are incorrect?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Statement 1 is correct. Vitamin D helps in the absorption of calcium in the gut. Statement 2 is also correct. Liver oil is rich in vitamin A, which plays a role in maintaining normal vision, reproductive functions and a healthy immune system.

Multiple choice

Which of the following vitamins is essential for the formation of the plasma protein prothrombin in the liver?

  1. Vitamin A

  2. Vitamin B

  3. Vitamin C

  4. Vitamin E

  5. Vitamin K
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Vitamin K is a fat soluble vitamin, so your body stores it in fat tissue and the liver. It is best known for its role in helping blood clot or coagulates properly. Blood clotting factors are needed for blood to clot (coagulation). Prothrombin or factor II is one of the clotting factors made by the liver. Vitamin K is needed to make prothrombin and other clotting factors.