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

According to WHO, which of the following are notifable diseases?

  1. Small pox, goitre

  2. Malarial and small pox

  3. Rabies and Typhoid

  4. Plague and Rabies
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The disease which is required by law to be reported to government authorities to keep it in check is called a notifable disease. For example, Malaria, small pox, plague, cholera, etc.

Multiple choice

Which of the following pairs is incorrectly matched?

  1. Valley fever : Coccidioides immitis

  2. Argentine haemorrhagic fever : Babesia sp.

  3. Bolivian haemorrhagic fever : Machupo virus

  4. Cellulitis disease : Streoptococcus sp.

  5. Cholera disease : Vibrio sp.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Correct answer. Argentine hemorrhagic fever is caused by Junin virus. Babesiosis is caused by Babesia sp.

Multiple choice

‘Yellow fever’ is an acute viral haemorrhagic disease. It is caused by

  1. Flavivirus

  2. Schistosoma japonicum

  3. Ebola virus

  4. Salmonella typhi

  5. Rickettsia typhi
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Yellow fever is known historically as yellow jack and is an acute viral haemorrhagic disease. The virus is 40 to 50 nm long, enveloped, positive-sense RNA virus. It is the first human virus discovered and the namesake of the genus Flavivirus of the family Flaviviridae.

Multiple choice

In ‘CFIDS', causing pathogenic microbes are

P. Erythrovirus B19 Q. Coxsackie B virus R. Herpes simplex virus 1 S. Chlamydia pneumoniae T. Coxiella burnetii

  1. P and Q

  2. R and S

  3. S and T

  4. P, Q and S

  5. P, Q and T
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

CFIDS is also known as myalgic encephalomyelitis and is associated with enteroviruses, such as Coxsackie B virus, Human herpes virus 6, Human herpes virus 7 and Parvo virus B19. The bacteria Coxiella burnetii and Chlamydia pneumoniae are known causes of chronic fatigue syndrome. Coronary heart disease is associated with Herpes simplex virus 1 and the bacterium Chlamydia pneumoniae. Metabolic syndrome is also associated with the bacterium Chlamydia pneumoniae.