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

While diagnosing a patient, a doctor concludes as follows - (a) It is a venereal disease. (b) It is caused due to attack of bacteria. (c) There is an infection in genital tube. (d) The infection causes a pus-like discharge.

What may you infer about the disease, causative germs and the medicine the doctor would have prescribed for the patient?

  1. The misconception of the student is that the disease is leprosy.

  2. Leprosy, Mycobacterium leprae, penicillin

  3. Gonorrhoea, Neisseria gonorrhoeae, penicillin

  4. Syphllis, Treponema, streptomycin

  5. Gonorrhoea, Neisseria gonorrhoeae, quinine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

As per the symptoms given above, the disease is syphilis and causative germ is Treponema and drug used to cure this disease is penicillin.

Multiple choice

Which viral disease can affect nerves and lead to partial or full paralysis?

  1. Tabes dorsalis

  2. Syringomyelia

  3. Facial palsy

  4. Poliomyelitis

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

In this infectious disease, a specific neurotropic virus causes muscular paralysis by the destruction of the anterior horn cell or the corresponding cell of the spinal cord and medulla respectively. This disease will spread from person to person primarily via the fecal oral route.

Multiple choice

Which of the following diseases is/are viral?

  1. Chickenpox

  2. Flu (influenza)

  3. Ringworm

  4. Both (1) and (2)

  5. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A virus is a small infectious agent that replicates only inside the living cells of other organisms. Influenza is a viral infection that affects mainly the nose, throat, bronchi and, occasionally, lungs. Chickenpox is caused by the herpes zoster virus and mainly affects children.

Multiple choice

Which of the following statements are correct?

  1. Jaundice is a disease which affects liver.
  2. Peptic ulcer is caused by Helicobacter pylori.
  3. High blood pressure is an infectious disease.
  4. Colour blindness is a congenital disease.

  1. Only 1, 2 and 3

  2. Only 2 and 3

  3. Only 1, 2 and 4

  4. Only 1, 3 and 4

  5. Only 3 and 4
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Jaundice is a disease which affects liver. Peptic ulcer is caused by Helicobacter pylori. Colour blindness is a congenital disease.

Multiple choice

Which of the following is not a communicable disease?

  1. Common cold

  2. Tuberculosis

  3. Cancer

  4. Malaria

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Non-communicable diseases are those diseases which cannot be transferred from one individual to another. So, cancer is a non-communicable disease.

Multiple choice

Which of the following is/are the causative agent of polio?

  1. Poliobacteria

  2. Polioascariasis

  3. Poliovirus

  4. Poliotytis

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Polio is caused by poliovirus. Poliovirus, the causative agent of poliomyelitis (commonly known as polio), is a human enterovirus and member of the family Picornav.