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

Which is the causative agent of chancroids?

  1. Haemophilus pertussis

  2. Helicobacter pylori

  3. Haemophilus ducreyi

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

Chancroid is a bacterial infection caused by the fastidious gram-negative streptobacillus Haemophilus ducreyi.

Multiple choice

How does mycoplasma pneumonia get transmitted?

  1. Through contaminated food and water

  2. By the bite of infected ticks

  3. By infected blood

  4. From person to person
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mycoplasma pneumonia gets transmitted from person to person. Thus, people who live or work in crowded areas such as schools and homeless shelters have a high chance of getting this condition.

Multiple choice

Which of the following infections is caused by a gram negative cocobacillus?

  1. Isosporiasis

  2. Kingella kingae infection

  3. Lassa fever

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

Kingella kingae infection is caused by a gram negative cocobacillus. Kingella kingae causes spondylodiscitis in children under 3 years of age, osteomyelitis in healthy children, and RTI and UTI in immunocompromised adults.