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 term describes a disease that can be transmitted from animals to humans?

  1. Endemic

  2. Epidemic

  3. Zoonotic

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

Zoonotic diseases are those that can be transmitted from animals to humans, either directly or indirectly through an intermediate host.

Multiple choice

Which of the following is an example of a zoonotic disease?

  1. Influenza

  2. Malaria

  3. Rabies

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

Rabies is a zoonotic disease caused by the rabies virus, which is primarily transmitted through the bite of an infected animal, such as a dog or a bat.

Multiple choice

What is the primary mode of transmission for the common cold?

  1. Airborne

  2. Waterborne

  3. Vector-borne

  4. Foodborne
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The common cold is primarily transmitted through the air when an infected person coughs or sneezes, releasing droplets containing the virus into the air.

Multiple choice

Which disease is caused by a prion, a type of infectious protein?

  1. Mad cow disease

  2. Creutzfeldt-Jakob disease

  3. Alzheimer's disease

  4. Parkinson's disease
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Mad cow disease, also known as bovine spongiform encephalopathy (BSE), is caused by a prion, a type of infectious protein that can cause degeneration of the brain and spinal cord.

Multiple choice

What is the primary mode of transmission for measles?

  1. Airborne

  2. Waterborne

  3. Vector-borne

  4. Foodborne
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Measles is a highly contagious viral disease that is primarily transmitted through the air when an infected person coughs or sneezes.

Multiple choice

Which of the following is NOT a zoonotic disease?

  1. Rabies

  2. Influenza

  3. Ebola

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

Influenza is not a zoonotic disease as it is primarily transmitted from person to person through respiratory droplets.

Multiple choice

What is the primary mode of transmission for tuberculosis?

  1. Airborne

  2. Waterborne

  3. Vector-borne

  4. Foodborne
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Tuberculosis is primarily transmitted through the air when an infected person coughs or sneezes, releasing droplets containing the bacteria into the air.

Multiple choice

Which of the following is an example of a foodborne disease?

  1. Malaria

  2. Rabies

  3. Salmonella

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

Salmonella is a type of bacteria that can cause foodborne illness when contaminated food is consumed.