Biology ยท 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

What is the means of transmission of influenza causing viruses?

  1. Water

  2. Direct contact

  3. Air droplet

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

Influenza virus passes into air from nose, throat and lungs of an infected person when he coughs or sneezes. They are expelled in the form of five droplets in air which can infect a healthy person.

Multiple choice

Which of the following can cause typhoid?

  1. Inhalation of contaminated air

  2. Using contaminated water

  3. Insect bite

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

Typhoid is transmitted through water. Therefore, using contaminated water can cause typhoid.

Multiple choice

Which of the following statement is not true?

  1. Vectors carry source of infection

  2. Vectors get infected with the microorganism

  3. Vectors transmit infection from infected to healthy person

  4. Vectors transmit germs from garbage to food items
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vectors are organisms which carry source of infection without themselves being infected.