41. Bipolar Disorder is a mental health condition characterized by:
Explanation: Bipolar disorder causes extreme changes in mood, energy, and behavior. People may feel overly excited or energetic (mania) at times and deeply sad or tired (depression) at other times. These mood shifts can make daily life and relationships challenging.
42. Schizophrenia is a mental health disorder that primarily affects:
Explanation: Schizophrenia mainly affects the way a person thinks, feels, and understands reality. It can cause hallucinations, delusions, and difficulty in focusing or making decisions. With proper treatment, many people can manage the symptoms and lead fulfilling lives.
43. CKD primarily affects the:
Explanation: Chronic Kidney Disease (CKD) is a long-term condition where the kidneys slowly lose their ability to filter waste from the blood. This can cause tiredness, swelling, and other health problems if not managed properly. Early treatment can slow its progress.
44. Malnutrition is caused by a deficiency of:
Explanation: Malnutrition happens when the body does not get enough essential nutrients like proteins, vitamins, and minerals. It can lead to weakness, stunted growth, and a weak immune system. Eating a balanced diet helps prevent malnutrition.
45. Cholera is caused by:
Explanation: Cholera is an infection caused by bacteria found in contaminated food or water. It leads to severe diarrhea and dehydration. Quick treatment with fluids and medicine can save lives.
46. Tuberculosis (TB) is a human disease caused by a _____.
Explanation: Tuberculosis (TB) is caused by a bacterium that usually attacks the lungs but can affect other parts of the body too. Symptoms include cough, fever, and weight loss. TB can be treated with special antibiotics.
47. The bacteria that causes TB is called _____.
Explanation: Tuberculosis is caused by the bacterium Mycobacterium tuberculosis. This germ spreads through the air when an infected person coughs or sneezes. Good hygiene and early treatment help control its spread.
48. Smallpox is caused by a ______.
Explanation: Smallpox is a serious disease caused by a virus. It spreads quickly and once killed millions of people. Thanks to vaccines, it has been completely wiped out from the world.
49. The virus that causes Smallpox is called ______.
Explanation: The virus that caused smallpox is called Variola. It was deadly and had no cure, but vaccination successfully stopped its spread and led to its global eradication.
50. Smallpox has been eradicated globally due to _____.
Explanation: Smallpox was eliminated worldwide through massive vaccination campaigns. This is one of the biggest achievements in medical history. Today, no one gets or spreads smallpox anymore.
51. Malaria is a human disease caused by _____.
Explanation: Malaria is caused by a tiny parasite called protozoa, which lives in human blood. It spreads through mosquito bites and can cause fever, chills, and weakness. Medicines and prevention help control malaria.
52. The carrier of the malaria-causing parasite is the:
Explanation: Malaria spreads through the bite of the female Anopheles mosquito, which carries the malaria parasite. Preventing mosquito bites is the best way to avoid the disease.
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:
