Biology · Science General

Disease Causative Agents

2,258 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 of the following is not a viral disease?

  1. Ebola haemorrhagic fever

  2. Roseola

  3. Haemophilus influenzae

  4. Herpes simplex

  5. Hepatitis E
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Haemophilus influenzae is caused by Gram-negative, coccobacillary, facultatively anaerobic pathogenic bacterium.

Multiple choice

Which of the following diseases are transmitted sexually?

  1. Sporotrichosis and syphilis

  2. Trichomoniasis and syphilis

  3. Strongyloidiasis and trichomoniasis

  4. Shingles and sporotrichosis

  5. Strongyloidiasis and sporotrichosis
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Trichomoniasis and syphilis are transmitted through sexual activity.

Multiple choice

Which of the following is incorrectly matched?

  1. Cat-scratch disease - Bartonella quintana

  2. Candidiasis - Candida albicans

  3. Buruli ulcer - Clostridium botulinum

  4. Chagas disease - Trypanosoma cruzi

  5. Chancroid - Haemophilus ducreyi
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Buruli ulcer is caused by Mycobacterium ulcerans. Clostridium botulinum causes botulism.

Multiple choice

Match the diseases with their causative agents.

 
Diseases Causative agents
A. Valley fever 1. Dermacentor andersoni
B. Rabbit fever 2. Francisella tularensis
C. American tick fever 3. Borrelia hermsii
D. Relapsing fever 4. Coccidioides immitis

  1. A - 1, B - 3, C - 2, D - 4

  2. A - 2, B - 1, C - 4, D - 3

  3. A - 4, B - 2, C - 1, D - 3

  4. A - 3, B - 2, C - 4, D - 1

  5. A - 1, B - 2, C - 3, D - 4
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This option is correct because all the diseases are correctly matched with their causative agents.

Multiple choice

Which of the following bacteria are responsible for neonatal conjunctivitis in infants?

  1. Opisthorchis viverrini and Opisthorchis felineus

  2. Neisseria gonorrhoeae and Chlamydia trachomatis

  3. Borrelia hermsii and Borrelia recurrentis

  4. Trichophyton rubrum and Trichophyton mentagrophytes

  5. Coccidioides immitis and Coccidioides posadasii
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Neisseria gonorrhoeae and Chlamydia trachomatis are responsible for neonatal conjunctivitis in infants.