Biology · Science General

Disease Causative Agents

2,531 Questions

Disease causative agents questions test your understanding of viral, bacterial, and fungal infections, along with their transmission methods. These are common topics in general science sections of SSC and railways exams. Practice these questions to accurately identify disease pathogens and symptoms.

Viral diseasesFoodborne illnessesDisease transmission methodsExtrinsic disease factorsCommon pathogens

Disease Causative Agents Questions

Multiple choice

Tetanus is caused by

  1. virus

  2. bacterium

  3. mycoplasma

  4. fungus

  5. -
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Tetanus (or lockjaw) is a serious infection caused by Clostridium tetani bacterium which produces a toxin that affects the brain and nervous system. The toxin leads to stiffness in the jaw muscles as well as other muscles.

Multiple choice

Which of the following is a viral disease?

  1. Typhoid

  2. Tuberculosis

  3. Leprosy

  4. Polio

  5. -
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Poliomyelitis, often called polio or infantile paralysis, is an infectious disease that is caused by poliovirus.

Multiple choice

Hepatitis is spread by:

  1. Bacteria

  2. Virus

  3. Protozoa

  4. Fungi
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Hepatitis B is a virus (HBV) that infects the liver and can cause liver inflammation called hepatitis

Multiple choice

Which of the following diseases spreads through water?

  1. Common cold

  2. Chicken pox

  3. Cholera

  4. Malaria
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cholera is an infection of the small intestine by some strains of the bacterium Vibrio cholerae. It is spread mostly by water and food that has been contaminated with human feces containing bacteria.