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 of the following diseases infects horses, donkeys and zebras and causes death due to disorders of the central nervous system?

  1. Venezuelan haemorrhagic fever

  2. Viral pneumonia

  3. Yersinia pseudotuberculosis infection

  4. Venezuelan equine encephalitis

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

Venezuelan equine encephalitis causes infection in horses, donkeys and zebras. They suddenly die due to disorders of the central nervous system.

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.

Multiple choice

Which disease is caused by Contaminated Water?

  1. Jaundice

  2. Cholera

  3. Chicken Pox

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

Cholera is an infectious disease typically spread through the ingestion of water or food contaminated with the bacterium Vibrio cholerae.

Multiple choice

Which of the following is a common viral disease of wrestlers?

  1. Eczema herpeticum

  2. Herpes gladiatorum

  3. Herpes whitlow

  4. Herpes keratitis

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

This is contracted by wrestlers. It apparently spreads by direct contact from skin lesions on one wrestler to his / her opponent, and usually appears in the head and neck region (which are frequently sites of contact in wrestling holds).

Multiple choice

In which of the following viral diseases, the infants have distinctive abnormalities at birth due to the mother's infection with chickenpox in the first trimester of pregnancy?

  1. Genital herpes

  2. HSV proctitis

  3. HSV Encephalitis

  4. HSV Meningitis

  5. Congential Varicella syndrome
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Congenital Varicella Syndrome is an extremely rare disorder in which affected infants have distinctive abnormalities at birth (congenital) due to the mother's infection with chickenpox (maternal varicella zoster) early during pregnancy (i.e., up to 20 weeks gestation).