Free Human Body and Health MCQs with Answers

111. Amino acids are a product of the digestion of: ___________?

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

Explanation: Digestive enzymes break proteins into amino acids, which can then be absorbed and used to build body proteins. Carbohydrates yield simple sugars, while fats yield fatty acids and glycerol.

112. Stomach stores the ___________?

• A. enzime
• B. Food
• C. hcl
• D. None of These

Explanation: The stomach temporarily stores food and mixes it with gastric juice for digestion. Hydrochloric acid and enzymes are secreted into the stomach, but food is what it primarily stores.

113. Who is the father of fingerprints?

• A. Sir Francis Galton's
• B. HM Smith
• C. Marcelo Malpighi
• D. Dr Nehemiah

Explanation: Sir Francis Galton established fingerprint classification and helped make fingerprints useful for personal identification, earning him the title “father of fingerprints.” Marcello Malpighi studied fingerprint patterns earlier but is not usually given this title.

114. Which of the following is not a part of Darwinism?

• A. Over production
• B. Natural selection
• C. Inheritance for acquired characters
• D. Competition for survival
• E. None of these

Explanation: Darwin explained evolution through variation, overproduction, competition and natural selection, with advantageous traits passed to offspring. Inheritance of acquired characters belongs to Lamarck's theory, not Darwinism.

115. Which is the largest organ in the human body?

• A. Liver
• B. Heart
• C. Skin
• D. Kidney

Explanation: Skin is the body's largest organ because it covers the entire external surface and performs protective, sensory, and temperature-regulating functions. The liver is the largest internal organ, which is the common distinction tested here.

116. Pregnancy time period of "mice" is ___________?

• A. 2 weeks
• B. 2.5 weeks
• C. 3 weeks
• D. 4 weeks

Explanation: A mouse’s gestation lasts about 19 to 21 days, which is approximately three weeks. This is much shorter than the gestation period of larger mammals.

117. Which of these is 'escapism'?

• A. an extreme sport
• B. a vintage fasion style
• C. a dangerous adventure
• D. mental diversion from unpleasant or boring aspects of daily life

Explanation: Escapism means mentally withdrawing from unpleasant or boring reality through activities such as daydreaming, entertainment, or fantasy. It is not specifically a sport, fashion style, or adventure.

118. Aphasia is the inability to do what?

• A. Walk
• B. Communicate
• C. Study
• D. Bath

Explanation: Aphasia is a language disorder caused by damage to areas of the brain involved in language, affecting speaking, understanding, reading, or writing. It is not simply an inability to walk or study.

119. The term xerostomia refers to_________?

• A. dry skin
• B. dry mouth
• C. dry nose
• D. dry head

Explanation: Xerostomia is persistent dryness of the mouth caused by reduced saliva production, often as a side effect of medicines or illness. The prefix xero means dry and stomia refers to the mouth.

120. In the human body, the lungs remove which gas from the blood?

• A. Nitrogen
• B. Hydrogen
• C. Carbon Dioxide
• D. Argon

Explanation: The lungs remove carbon dioxide from the blood and release it during exhalation. Oxygen follows the opposite path, moving from inhaled air into the blood.