HUMAN BODY SYSTEM (MCQs)

Where in the body is the smallest bone found?

• (A) Mouth
• (B) Ears
• (C) Finger
• (D) Knee

The smallest bone in the human body is about the size of:

• (A) The head of a pin
• (B) A pinch of salt
• (C) A grain of rice
• (D) A gain of sand

The longest bone of human body found in:

• (A) Malleus
• (B) Incus
• (C) Stapes
• (D) Thigh

Which is the longest bone in human body?

• (A) Tibia
• (B) Femur
• (C) Fibula
• (D) Humerus

Total number of chromosomes in a human body cell is:

• (A) 40
• (B) 44
• (C) 46
• (D) 50

How many sense organs does human body have?

• (A) Four
• (B) Five
• (C) Six
• (D) Seven

Blood circulates in which part of the body?

• (A) Veins
• (B) Arteries
• (C) Capillaries
• (D) All of these

Blood does not coagulate inside the human body due to the presence of:

• (A) Fibrin
• (B) Heparin
• (C) Haemoglobin
• (D) Plasma

White blood cells (Leucocytes) are produced in:

• (A) Spleen
• (B) Lymph
• (C) Ribs
• (D) Bone marrow

Red blood cells (Erythrocytes) are formed in the:

• (A) Liver
• (B) Bone marrow
• (C) Heart
• (D) Kidneys