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

Which of the following is a viral infection that causes a rash, fever, and swollen lymph nodes?

  1. Measles

  2. Mumps

  3. Rubella

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

Measles is a highly contagious viral infection that causes a rash, fever, and swollen lymph nodes.

Multiple choice

What is the most common type of meningitis in children?

  1. Bacterial meningitis

  2. Viral meningitis

  3. Fungal meningitis

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

Bacterial meningitis is the most common type of meningitis in children, accounting for approximately 50% of cases.

Multiple choice

Which of the following is a bacterial infection that causes a sore throat, fever, and headache?

  1. Strep throat

  2. Tonsillitis

  3. Pharyngitis

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

Strep throat is a bacterial infection of the throat caused by the bacterium Streptococcus pyogenes.

Multiple choice

What is the most common type of diarrhea in children?

  1. Rotavirus diarrhea

  2. Escherichia coli (E. coli) diarrhea

  3. Shigella diarrhea

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

Rotavirus diarrhea is the most common type of diarrhea in children, accounting for approximately 40% of cases.

Multiple choice

Which of the following is a viral infection that causes a fever, headache, and muscle aches?

  1. Influenza

  2. Dengue fever

  3. Chikungunya fever

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

Influenza is a viral infection that causes a fever, headache, and muscle aches.

Multiple choice

What is the most common type of hepatitis in children?

  1. Hepatitis A

  2. Hepatitis B

  3. Hepatitis C

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

Hepatitis A is the most common type of hepatitis in children, accounting for approximately 90% of cases.

Multiple choice

Which of the following is a bacterial infection that causes a fever, cough, and chest pain?

  1. Pneumonia

  2. Bronchitis

  3. Pleuritis

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

Pneumonia is a bacterial infection of the lungs that causes a fever, cough, and chest pain.

Multiple choice

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

  1. Impetigo

  2. Cellulitis

  3. Erysipelas

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

Impetigo is the most common type of skin infection in children, accounting for approximately 70% of cases.

Multiple choice

Which of the following is a bacterial infection that causes a fever, headache, and stiff neck?

  1. Meningitis

  2. Encephalitis

  3. Myelitis

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

Meningitis is a bacterial infection that causes a fever, headache, and stiff neck.

Multiple choice

Which of the following is a common cause of pericarditis?

  1. Viral infection

  2. Bacterial infection

  3. Autoimmune disorders

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

Pericarditis can be caused by a variety of factors, including viral and bacterial infections, autoimmune disorders, and certain medications.

Multiple choice

Which of the following is an example of a syndromic surveillance system?

  1. Influenza-like illness surveillance

  2. Diarrhea surveillance

  3. Malaria surveillance

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

Influenza-like illness surveillance is an example of a syndromic surveillance system, which monitors the occurrence of symptoms associated with a particular disease or condition.

Multiple choice

What is the primary cause of foodborne illness from meat?

  1. Bacteria

  2. Viruses

  3. Parasites

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

Bacteria are the primary cause of foodborne illness from meat. They can contaminate meat during slaughter, processing, or storage. Some common bacteria that can cause foodborne illness include Salmonella, E. coli, and Listeria monocytogenes.

Multiple choice

What is the term for a contagious skin infection caused by bacteria, typically Staphylococcus aureus or Streptococcus pyogenes, resulting in small, fluid-filled blisters?

  1. Impetigo

  2. Ringworm

  3. Molluscum Contagiosum

  4. Hand, Foot, and Mouth Disease
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Impetigo is a contagious skin infection caused by bacteria, typically Staphylococcus aureus or Streptococcus pyogenes. It is characterized by small, fluid-filled blisters that can crust over.

Multiple choice

What is the term for a viral infection characterized by small, red bumps or blisters on the hands, feet, and mouth?

  1. Hand, Foot, and Mouth Disease

  2. Chickenpox

  3. Measles

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

Hand, foot, and mouth disease is a viral infection that causes small, red bumps or blisters on the hands, feet, and mouth.

Multiple choice

Which skin condition is characterized by small, pearly white bumps on the skin, caused by a viral infection?

  1. Molluscum Contagiosum

  2. Warts

  3. Skin Tags

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

Molluscum contagiosum is a viral infection that causes small, pearly white bumps on the skin. It is spread through direct contact with an infected person or contaminated objects.