Free Health and Nutrition MCQs with Answers

• A. Protein
• B. Carbohydrates
• C. Vitamin
• D. Fats

Explanation: Long-distance running relies heavily on aerobic energy production, which uses carbohydrate stored as muscle and liver glycogen.

• A. Fats
• B. protein
• C. Carbohydrates
• D. Vitamins

Explanation: Sugar, sweets, bread and cakes are mainly rich in carbohydrates, particularly simple sugars in sweets and refined starch in bread.

• A. Vitamin c & B
• B. Vitamin B & K
• C. Vitamin E & K
• D. Vitamin D & A

Explanation: Milk and butter are important dietary sources of fat-soluble vitamins A and D, especially when fortified.

• A. Thiamine
• B. Calcium
• C. Phosphors
• D. None of the above

Explanation: Vitamin B1 is thiamine, a water-soluble vitamin involved in carbohydrate metabolism and normal nerve function.

• A. Vitamin D
• B. Vitamin c
• C. Vitamin K
• D. Vitamin E

Explanation: Vitamin C is readily destroyed by heat, oxygen and prolonged storage, so fresh foods retain more of it.

• A. Protein
• B. Fats
• C. Minerals
• D. Carbhydrates

Explanation: Carbohydrates are the body's preferred fuel for prolonged exercise and help maintain muscle glycogen stores during endurance events.

• A. Normal Coagulation of Blood
• B. Provide Nourishment to Body
• C. Prevention of Disease
• D. Metabolism of the Body

Explanation: Vitamin K is required to produce clotting factors, so it enables normal coagulation of blood.

• A. Trypsin
• B. Co-Enzymes
• C. Amino Acids
• D. None of these

Explanation: Many vitamins function as coenzymes or form parts of coenzymes that help enzymes carry out metabolic reactions.

• A. low carbohydrates
• B. Simple carbohydrates
• C. Complex Carbohydrate
• D. None of these

Explanation: Dietary fibre consists mainly of complex carbohydrates, particularly plant polysaccharides that are not fully digested by human enzymes.

• A. Cellulose
• B. Sucrose
• C. Carbohydrates
• D. None of these

Explanation: Cellulose is an insoluble dietary fibre because human digestive enzymes cannot break its plant-cell-wall structure down.

• A. 8
• B. 9
• C. 10
• D. 11

Explanation: The commonly recognised B-complex group has eight vitamins: B1, B2, B3, B5, B6, B7, B9 and B12.

• A. Lack of Calcium
• B. Lacke of Sulpher
• C. Lack of Iodine
• D. None of these

Explanation: Iodine is needed to make thyroid hormones, so its deficiency can enlarge the thyroid gland and produce goitre.

• A. Protein
• B. None of these
• C. Fats
• D. Simple carbohydrates

Explanation: Glucose, fructose and maltose are sugars classified as simple carbohydrates, although glucose and fructose are monosaccharides while…

• A. Grape-fruit
• B. Apricot
• C. Banana
• D. Citrus-fruit

Explanation: Apricots are rich in beta-carotene, which the body converts into vitamin A.

• A. Give strength
• B. Give protection
• C. Prevent Constipation
• D. Lubricate Food

Explanation: Bile salts help emulsify fats and also stimulate intestinal movement, giving bile a mild laxative effect that can help prevent…

• A. Muscles Weakness
• B. Muscles cramps
• C. All of these
• D. Gain in body mass

Explanation: Creatine commonly increases body mass because it draws water into muscle cells and can support increased muscle growth with training.

• A. Hemoglobin
• B. Protplast
• C. Bone Marrow
• D. Platelets

Explanation: Dietary iron is incorporated into haemoglobin, the red-blood-cell protein that carries oxygen.

• A. Renin
• B. Lipase
• C. HCL
• D. Pepsin

Explanation: Lipase breaks dietary fats into fatty acids and glycerol after bile has emulsified the fat into smaller droplets.

• A. Insomnia
• B. Obesity
• C. AIDS
• D. Bery Bery

Explanation: Poor eating habits can contribute to obesity, vitamin-deficiency diseases such as beriberi, and sometimes sleep problems.

• A. 92%
• B. 87%
• C. 76%
• D. 78%

Explanation: Nitrogen makes up about 78% of dry atmospheric air, while oxygen makes up about 21%.