21. Hypertension is a condition of ______.
Correct Answer: Increased blood pressure
Hypertension refers to high blood pressure, which can lead to heart disease, stroke, and other complications if uncontrolled.
22. Tuberculosis primarily affects the:
Correct Answer: Lungs
Tuberculosis (TB) is caused by Mycobacterium tuberculosis and primarily affects the lungs, though it can spread to other organs.
23. HIV/AIDS is, a human disease, caused by a virus that affects _____.
Correct Answer: The immune system
HIV (Human Immunodeficiency Virus) attacks the immune system, specifically CD4 cells, weakening the body’s defense against infections.
24. Asthma is a disease of the:
Correct Answer: Lungs
Asthma is a chronic condition that affects the airways in the lungs, making breathing difficult due to inflammation and narrowing.
25. Alzheimer’s Disease primarily affects the ______.
Correct Answer: Brain
Alzheimer’s disease is a progressive brain disorder that destroys memory and cognitive functions, mainly affecting older adults.
26. Cancer is a group of diseases that primarily involves __________.
Correct Answer: Abnormal cell growth
Cancer occurs when abnormal cells divide uncontrollably and can spread to other parts of the body, forming tumors.
27. Stroke occurs when there is a disruption in blood flow to the _______.
Correct Answer: Brain
A stroke happens when the brain’s blood supply is blocked or reduced, depriving brain tissue of oxygen and nutrients.
28. Epilepsy is a disorder of the _______.
Correct Answer: Brain
Epilepsy is a neurological disorder marked by recurrent seizures due to abnormal electrical activity in the brain.
29. Influenza (Flu) is a Human disease that primarily affects the ______.
Correct Answer: Lungs
Influenza (flu) is a viral infection that attacks the respiratory system, especially the lungs, nose, and throat.
30. Hepatitis (A, B, C) primarily affects the _______.
Correct Answer: Liver
Hepatitis is an inflammation of the liver, usually caused by viral infections (A, B, C), leading to liver damage.
MCQs related to human diseases frequently appear in competitive exams as a part of general Science section. These questions are designed to assess a candidate's understanding of basic human physiology and their awareness of the human body. It’s not just about knowing the environment or current affairs — candidates are also tested on how well they understand themselves: what organs perform which functions, what diseases can affect those functions, and how the body responds to various conditions.
This knowledge reflects a candidate’s critical thinking and awareness of both internal and external factors affecting human life. Recognizing this importance, we have prepared a comprehensive list of Human Diseases MCQs that will prove helpful in your exam preparation. The list is provided below: