Class XII · Biology practice

Human Health and Disease MCQs

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446 questions in this collection · Page 1 of 45

Question 1 of 446

📘 CLASS XII

Human Health And Disease

Which of the following describes health most accurately, according to the sources?

Health is defined as a state of complete physical, mental and social well-being, not simply the absence of disease or physical fitness.

Question 2 of 446

📘 CLASS XII

Human Health And Disease

Which scientist used experimental methods and a thermometer to disprove the 'good humor' hypothesis of health?

The discovery of blood circulation by William Harvey using the experimental method disproved the 'good humor' hypothesis.

Question 3 of 446

📘 CLASS XII

Human Health And Disease

Which system, influenced by the mind, is crucial for maintaining our health?

Biology later stated that mind influences, through neural system and endocrine system, our immune system, which maintains our health.

Question 4 of 446

📘 CLASS XII

Human Health And Disease

Which factor is listed among those that affect human health?

Health is affected by genetic disorders, infections, and life style.

Question 5 of 446

📘 CLASS XII

Human Health And Disease

The practice utilized since time immemorial to achieve physical and mental health is:

Yoga has been practised since time immemorial to achieve physical and mental health.

Question 6 of 446

📘 CLASS XII

Human Health And Disease

Diseases that are easily transmitted from one person to another are called:

Diseases which are easily transmitted from one person to another are called infectious diseases.

Question 7 of 446

📘 CLASS XII

Human Health And Disease

Among non-infectious diseases, which condition is the major cause of death?

Among non-infectious diseases, cancer is the major cause of death.

Question 8 of 446

📘 CLASS XII

Human Health And Disease

Disease-causing organisms are termed pathogens. Which characteristic must gut pathogens adapt to survive in the host?

Pathogens that enter the gut must know a way of surviving in the stomach at low pH and resisting the various digestive enzymes.

Question 9 of 446

📘 CLASS XII

Human Health And Disease

Which pathogenic bacterium causes typhoid fever in human beings?

Salmonella typhi is a pathogenic bacterium which causes typhoid fever.

Question 10 of 446

📘 CLASS XII

Human Health And Disease

Typhoid pathogens generally enter the small intestine through:

These pathogens generally enter the small intestine through food and water contaminated with them.

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