Question 1

What vitamin is primarily produced when our skin is exposed to sunlight?

Accepted Answer

Vitamin D

Answer

Vitamin E

Answer

Vitamin C

Answer

Vitamin A

Question 2

Which organ is primarily responsible for detoxifying substances in the body?

Accepted Answer

Liver

Answer

Heart

Answer

Kidney

Answer

Lung

Question 3

What is the main function of red blood cells in the human body?

Accepted Answer

Transport oxygen

Answer

Fight infections

Answer

Clot blood

Answer

Digest food

Question 4

Which nutrient is essential for building and repairing tissues in the body?

Accepted Answer

Protein

Answer

Carbohydrate

Answer

Vitamin

Answer

Fat

Question 5

What substance in the body helps to regulate body temperature?

Accepted Answer

Sweat

Answer

Blood

Answer

Muscle

Answer

Bone

Question 6

What is the process called by which the body converts food into energy?

Accepted Answer

Metabolism

Answer

Respiration

Answer

Circulation

Answer

Digestion

Question 7

Which hormone regulates blood sugar levels in the body?

Accepted Answer

Insulin

Answer

Thyroxine

Answer

Cortisol

Answer

Adrenaline

Question 8

Which vitamin is primarily responsible for enhancing vision and maintaining healthy skin?

Accepted Answer

Vitamin A

Answer

Vitamin C

Answer

Vitamin D

Answer

Vitamin K

Question 9

How many chambers does the human heart have?

Accepted Answer

Four

Answer

Six

Answer

Three

Answer

Five

Question 10

What percentage of the human brain is water?

Accepted Answer

About 75%

Answer

85%

Answer

60%

Answer

50%

Question 11

Which nutrient is essential for the formation of DNA and RNA in the human body?

Accepted Answer

Nucleic acids

Answer

Proteins

Answer

Fats

Answer

Carbohydrates

Question 12

What part of the eye is responsible for controlling the amount of light that enters?

Accepted Answer

Iris

Answer

Lens

Answer

Cornea

Answer

Retina

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