Question:
Which of the following is a non-infectious disease?
Which of the following is a non-infectious disease?
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Remember: Cancer, diabetes, and hypertension are examples of non-infectious diseases.
Updated On: Oct 16, 2025
- AIDS
- Malaria
- Cancer
- Typhoid
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The Correct Option is C
Solution and Explanation
Step 1: Understanding disease classification.
Infectious diseases are caused by pathogens such as bacteria, viruses, protozoa, or fungi. Non-infectious diseases are not caused by pathogens but result from genetic, environmental, or lifestyle factors.
Step 2: Analysis of options.
(1) AIDS: Infectious, caused by HIV virus.
(2) Malaria: Infectious, caused by Plasmodium protozoa.
(3) Cancer: Non-infectious, caused by uncontrolled cell growth.
(4) Typhoid: Infectious, caused by Salmonella typhi bacteria.
Step 3: Conclusion.
Hence, the correct answer is (3) Cancer.
Infectious diseases are caused by pathogens such as bacteria, viruses, protozoa, or fungi. Non-infectious diseases are not caused by pathogens but result from genetic, environmental, or lifestyle factors.
Step 2: Analysis of options.
(1) AIDS: Infectious, caused by HIV virus.
(2) Malaria: Infectious, caused by Plasmodium protozoa.
(3) Cancer: Non-infectious, caused by uncontrolled cell growth.
(4) Typhoid: Infectious, caused by Salmonella typhi bacteria.
Step 3: Conclusion.
Hence, the correct answer is (3) Cancer.
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