Common Human Diseases & Their Causes MCQs With Answer
Which microorganism causes tuberculosis?
A) Virus
B) Bacteria
C) Fungus
D) Protozoa
Which deficiency causes scurvy?
A) Vitamin A
B) Vitamin B12
C) Vitamin C
D) Vitamin D
What is the main cause of malaria?
A) Virus
B) Bacteria
C) Protozoa
D) Fungus
Which organ is primarily affected by hepatitis?
A) Lungs
B) Liver
C) Heart
D) Kidneys
Which disease is caused by the HIV virus?
A) Tuberculosis
B) Malaria
C) AIDS
D) Typhoid
What is the main cause of cholera?
A) Contaminated water
B) Air pollution
C) Mosquito bites
D) Radiation exposure
Which bacteria is responsible for typhoid fever?
A) Staphylococcus aureus
B) Salmonella typhi
C) Bacillus anthracis
D) Vibrio cholerae
Which disease is known as “silent killer” due to its lack of symptoms?
A) Diabetes
B) Hypertension
C) Tuberculosis
D) Influenza
What is the leading cause of lung cancer?
A) Viral infection
B) Smoking
C) Excess sugar consumption
D) Lack of sleep
Which disease is caused by a deficiency of insulin?
A) Hypertension
B) Diabetes
C) Anemia
D) Osteoporosis
Which vitamin deficiency causes rickets in children?
A) Vitamin A
B) Vitamin B12
C) Vitamin C
D) Vitamin D
Which disease is commonly spread by mosquitoes?
A) Tuberculosis
B) Influenza
C) Malaria
D) Hepatitis
Which organ does pneumonia primarily affect?
A) Liver
B) Brain
C) Lungs
D) Stomach
Which bacteria is responsible for food poisoning?
A) Escherichia coli
B) Mycobacterium tuberculosis
C) Plasmodium falciparum
D) Treponema pallidum
Which condition is caused by high levels of cholesterol in the blood?
A) Osteoporosis
B) Anemia
C) Atherosclerosis
D) Beriberi
Which disease is caused by a deficiency of iron?
A) Anemia
B) Rickets
C) Goiter
D) Scurvy
What is the main cause of jaundice?
A) Kidney failure
B) High blood pressure
C) Liver dysfunction
D) Brain infection
Which virus causes chickenpox?
A) Influenza virus
B) Varicella-zoster virus
C) Hepatitis virus
D) Rabies virus
Which disease is characterized by high blood sugar levels?
A) Hypertension
B) Diabetes
C) Asthma
D) Epilepsy
Which disease is commonly known as “whooping cough”?
A) Influenza
B) Tuberculosis
C) Pertussis
D) Bronchitis
Which parasite causes sleeping sickness?
A) Giardia
B) Trypanosoma
C) Plasmodium
D) Salmonella
What is the primary cause of osteoporosis?
A) Excess protein intake
B) Lack of calcium and vitamin D
C) High cholesterol levels
D) Excessive water consumption
Which organ is affected by meningitis?
A) Brain
B) Liver
C) Heart
D) Lungs
Which disease is caused by iodine deficiency?
A) Anemia
B) Goiter
C) Beriberi
D) Scurvy
Which viral disease has been eradicated worldwide?
A) Smallpox
B) Polio
C) Measles
D) Rabies
Which disease is caused by the Epstein-Barr virus?
A) Influenza
B) Tuberculosis
C) Mononucleosis
D) Tetanus
Which condition is characterized by chronic inflammation of the joints?
A) Asthma
B) Arthritis
C) Epilepsy
D) Hypertension
Which of the following diseases is caused by a fungal infection?
A) Ringworm
B) Tuberculosis
C) Cholera
D) Typhoid
What is the main cause of stroke?
A) Blockage or rupture of blood vessels in the brain
B) Excess sugar intake
C) Bacterial infection
D) Vitamin deficiency
Which of the following is a non-communicable disease?
A) Influenza
B) Malaria
C) Diabetes
D) Tuberculosis