Free Health and Nutrition MCQs with Answers

• A. Gulocose+ Fructose
• B. Gulocose+Gulocose
• C. Gulocose+Glactose
• D. Gulocose only

Explanation: The enzyme lactase breaks lactose, the milk sugar, into the two simple sugars glucose and galactose.

• A. 30%
• B. 87%
• C. 78%
• D. 80%

Explanation: Nitrogen makes up approximately 78% of Earth’s atmosphere, while oxygen makes up about 21%.

• A. Excessive Intake of Calories
• B. Deficiency of Minerals
• C. Deficiency of Vitamins
• D. None of these

Explanation: Obesity commonly results when calorie intake remains greater than the body’s energy expenditure, causing excess energy to be stored as…

• A. Skelton
• B. Gums
• C. Skin
• D. Brain

Explanation: Pyorrhoea is a gum disease involving inflammation and infection around the teeth, often causing bleeding or discharge.

• A. Potassium & calcium
• B. Sulphur & Iron
• C. Phosphors & Iron
• D. Calcium & Phosphors

Explanation: Calcium and phosphorus are the principal mineral components of bones and teeth, forming hard calcium-phosphate compounds.

• A. Amylase
• B. None of the above
• C. Lipase
• D. Trypsin

Explanation: Trypsin is a pancreatic protease that breaks proteins into smaller peptides. Amylase digests starch, while lipase digests fats.

• A. Carrot
• B. Banana
• C. Guava
• D. Egg

Explanation: Carrots are rich in beta-carotene, which the body converts into vitamin A, making them the best option listed.

• A. Potassium
• B. Sulphur
• C. Calcium
• D. Phosphrous

Explanation: Sulphur is a component of keratin, the structural protein that supports healthy hair and nails, and it also contributes to normal brain…

• A. Beri Beri
• B. Scurvey
• C. Night Blindness
• D. Rickets

Explanation: Vitamin D enables the body to absorb calcium and phosphate for proper bone formation; its deficiency causes rickets in children.

• A. Vitamin B2
• B. Vitamin B
• C. Vitamin A
• D. Vitamin B6

Explanation: Riboflavin is the chemical name for vitamin B2. Vitamin B6 is pyridoxine, so it is a separate B-complex vitamin.

• A. Hypertension
• B. Hypoglycemia
• C. Scurvey
• D. Rickets

Explanation: Carbohydrates are the body's quickest major source of glucose, so severe carbohydrate deficiency can lead to low blood glucose, called…

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

Explanation: Proteins supply amino acids needed to build and repair muscles and other tissues, and they form many enzymes and hormones.

• A. Carbohydrates
• B. None of these
• C. Mineral
• D. Diet

Explanation: A diet is the total pattern or collection of foods and drinks consumed by a person.

• A. Body Inclination
• B. Body Mass Index
• C. Body MeasurementIllience
• D. None of these

Explanation: BMI stands for Body Mass Index, calculated as body weight in kilograms divided by height in metres squared.

• A. Fats
• B. Carbohydrates
• C. Proteins
• D. Mineral

Explanation: Bodybuilders commonly increase protein intake because protein supplies amino acids needed for muscle repair and growth after resistance…

• A. Potassium
• B. Phosphorous
• C. Sodium
• D. Calcium

Explanation: Calcium ions are essential for the blood-clotting process and also support bone and muscle function.

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

Explanation: Vitamin A is needed to form visual pigments in the retina, especially for vision in dim light; its deficiency causes night blindness.

• A. Glycogen
• B. Sucrose
• C. Starch
• D. Cellulus

Explanation: Starch is the main carbohydrate in a typical Western diet because it is abundant in bread, cereals, rice, potatoes and pasta.

• A. Protein
• B. Vitamins
• C. Carbohydrates
• D. All of the These

Explanation: A balanced diet supplies all essential nutrients in suitable proportions, including carbohydrates, proteins, fats, vitamins, minerals…

• A. 2500 calories
• B. 2000 calories
• C. 1500 calories
• D. 1000 calories

Explanation: The traditional textbook estimate for an average adult is about 2,500 calories per day, although actual needs vary with sex, body size…