HUMAN BODY SYSTEM (MCQs)

The human body is immune to which of the following diseases?

• (A) Diabetes
• (B) Jaundice
• (C) Smallpox
• (D) Tuberculosis

Which is the hardest tissue in the human body?

• (A) Bone
• (B) Blood
• (C) Enamel
• (D) Oral Muscosa

What is “Sclera”?

• (A) Iris
• (B) White part of eye
• (C) Cornea
• (D) Black part of eye

Which is the most abundant element in human body?

• (A) Oxygen
• (B) Hydrogen
• (C) Nitrogen
• (D) Carbon dioxide

Weight of liver in adult human is:

• (A) 1.0 kg
• (B) 1.5 kg
• (C) 2.0 kg
• (D) 2.5 kg

Which is the most abundant mineral in human body?

• (A) Sodium
• (B) Calcium
• (C) Potassium
• (D) Magnesium

Which of the following is known as ‘Chemical factory’ of human body?

• (A) Heart
• (B) Liver
• (C) Brain
• (D) Pancreas

Which part of the body is known as graveyard of red blood cells (RBCs)?

• (A) Liver
• (B) Kidney
• (C) Spleen
• (D) Lungs

People blink how many times per minute?

• (A) 10
• (B) 15
• (C) 20
• (D) 25

Which is the largest gland in the human body?

• (A) Stomach
• (B) Liver
• (C) Thyroid gland
• (D) Pineal body