Biology ยท 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

What is the most common type of cardiovascular infection?

  1. Myocarditis

  2. Pericarditis

  3. Endocarditis

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

Pericarditis is the most common type of cardiovascular infection, causing inflammation of the pericardium, the sac surrounding the heart.

Multiple choice

What is the most common cause of aortitis?

  1. Syphilis

  2. Tuberculosis

  3. Salmonella

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

Syphilis is the most common cause of aortitis, an inflammation of the aorta.

Multiple choice

Which of the following is a risk factor for infective endocarditis?

  1. Rheumatic heart disease

  2. Congenital heart disease

  3. Artificial heart valves

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

Rheumatic heart disease, congenital heart disease, and artificial heart valves are all risk factors for infective endocarditis.

Multiple choice

What is the primary mode of transmission for the Ebola virus?

  1. Airborne

  2. Contact with bodily fluids

  3. Fecal-oral route

  4. Vector-borne
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Ebola virus is primarily transmitted through direct contact with bodily fluids, such as blood, saliva, or vomit, of an infected person.

Multiple choice

What is the name of the virus that causes the flu?

  1. Influenza A virus

  2. Influenza B virus

  3. Influenza C virus

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

Influenza is caused by three types of viruses: Influenza A, B, and C.

Multiple choice

Which of the following is a common cause of skin and soft tissue infections?

  1. Staphylococcus aureus

  2. Streptococcus pyogenes

  3. Pseudomonas aeruginosa

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

Staphylococcus aureus is a common cause of skin and soft tissue infections, such as abscesses, cellulitis, and impetigo.

Multiple choice

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

  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. It is a spreading infection of the skin and underlying tissues, often caused by bacteria such as Staphylococcus aureus or Streptococcus pyogenes.

Multiple choice

What are the complications of cellulitis?

  1. Sepsis

  2. Necrotizing fasciitis

  3. Gangrene

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

The complications of cellulitis include sepsis, necrotizing fasciitis, and gangrene.

Multiple choice

What are the complications of an abscess?

  1. Sepsis

  2. Necrotizing fasciitis

  3. Gangrene

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

The complications of an abscess include sepsis, necrotizing fasciitis, and gangrene.

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.