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 most common type of skin and soft tissue infection in children?

  1. Impetigo

  2. Cellulitis

  3. Abscess

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

Impetigo is the most common type of skin and soft tissue infection in children. It is a contagious infection that causes blisters and sores on the skin.

Multiple choice

What is the most common type of skin and soft tissue infection in adults?

  1. Cellulitis

  2. Abscess

  3. Impetigo

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

Cellulitis is the most common type of skin and soft tissue infection in adults. It is a spreading infection of the skin and underlying tissues.

Multiple choice

What is the most common type of respiratory infection?

  1. Common Cold

  2. Influenza

  3. Pneumonia

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

The common cold is the most common type of respiratory infection, caused by a variety of viruses.

Multiple choice

What is the causative agent of influenza?

  1. Bacteria

  2. Virus

  3. Fungus

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

Influenza is caused by a virus, specifically the influenza virus.

Multiple choice

Which of the following is not a type of pneumonia?

  1. Bacterial pneumonia

  2. Viral pneumonia

  3. Fungal pneumonia

  4. Parasitic pneumonia
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pneumonia is typically caused by bacteria, viruses, or fungi. Parasitic pneumonia is not a common type of pneumonia.

Multiple choice

What is the most common cause of tuberculosis?

  1. Mycobacterium tuberculosis

  2. Mycobacterium bovis

  3. Mycobacterium avium

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

Tuberculosis is most commonly caused by Mycobacterium tuberculosis.

Multiple choice

What is the primary mode of transmission of tuberculosis?

  1. Airborne

  2. Contact

  3. Fomite

  4. Vector-borne
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.

Multiple choice

What is the most common type of respiratory infection in children?

  1. Common Cold

  2. Influenza

  3. Pneumonia

  4. Bronchiolitis
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bronchiolitis is the most common type of respiratory infection in children, caused by a virus.

Multiple choice

What is the causative agent of whooping cough?

  1. Bacteria

  2. Virus

  3. Fungus

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

Whooping cough is caused by the bacterium Bordetella pertussis.

Multiple choice

Which of the following is not a complication of whooping cough?

  1. Pneumonia

  2. Encephalitis

  3. Myocarditis

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pneumonia, encephalitis, and myocarditis are all potential complications of whooping cough.

Multiple choice

What is the most common type of respiratory infection in the elderly?

  1. Common Cold

  2. Influenza

  3. Pneumonia

  4. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Pneumonia is the most common type of respiratory infection in the elderly.

Multiple choice

Which of the following is NOT a type of emerging infectious disease?

  1. Zoonosis

  2. Vector-borne disease

  3. Foodborne disease

  4. Chronic disease
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Chronic diseases are not considered emerging infectious diseases because they are not caused by a newly discovered or re-emerging infectious agent.

Multiple choice

What is the term used to describe the process by which an infectious disease spreads from animals to humans?

  1. Zoonosis

  2. Vector-borne transmission

  3. Foodborne transmission

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

Zoonosis is the term used to describe the process by which an infectious disease spreads from animals to humans.

Multiple choice

What is the term used to describe an infectious disease that is transmitted through the consumption of contaminated food or water?

  1. Foodborne disease

  2. Waterborne disease

  3. Vector-borne disease

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

Foodborne disease is the term used to describe an infectious disease that is transmitted through the consumption of contaminated food or water.

Multiple choice

Which of the following is NOT a common mode of transmission for airborne diseases?

  1. Coughing

  2. Sneezing

  3. Talking

  4. Touching surfaces contaminated with the virus
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Touching surfaces contaminated with the virus is not a common mode of transmission for airborne diseases because the virus is typically spread through direct contact with respiratory droplets.