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 scientific name for the common cold?

  1. Rhinovirus

  2. Coronavirus

  3. Influenza virus

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

The common cold is caused by a virus called rhinovirus.

Multiple choice

Which microorganism is responsible for the common cold?

  1. Rhinovirus

  2. Influenza virus

  3. Coronavirus

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

Rhinoviruses are the most common cause of the common cold, accounting for about 30-50% of cases.

Multiple choice

Which of the following is NOT a type of non-communicable disease?

  1. Heart disease

  2. Stroke

  3. Cancer

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

Malaria is a communicable disease, meaning that it can be transmitted from person to person through the bite of an infected mosquito.

Multiple choice

Which type of immunological disorder is characterized by a weakened immune system, making the individual more susceptible to infections?

  1. Immunodeficiency disorder

  2. Allergic disorder

  3. Autoimmune disorder

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

Immunodeficiency disorders are characterized by a weakened immune system, making the individual more susceptible to infections and diseases.

Multiple choice

Which of the following is NOT a common cause of fever in children?

  1. Influenza

  2. Streptococcal pharyngitis

  3. Pneumonia

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

Chickenpox is typically not associated with fever.

Multiple choice

What is the most common cause of bacterial meningitis in children?

  1. Streptococcus pneumoniae

  2. Neisseria meningitidis

  3. Haemophilus influenzae type b

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

Streptococcus pneumoniae is the most common cause of bacterial meningitis in children.

Multiple choice

What is the most common cause of viral gastroenteritis in children?

  1. Rotavirus

  2. Norovirus

  3. Adenovirus

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

Rotavirus is the most common cause of viral gastroenteritis in children.

Multiple choice

Which of the following is a common complication of pneumonia in children?

  1. Pleural effusion

  2. Empyema

  3. Pericarditis

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

Pleural effusion is a common complication of pneumonia in children.

Multiple choice

Which of the following is NOT a risk factor for invasive pneumococcal disease (IPD) in children?

  1. Sickle cell disease

  2. Asplenia

  3. HIV infection

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

Diabetes mellitus is not a risk factor for IPD in children.

Multiple choice

What is the most common cause of sepsis in children?

  1. Streptococcus pneumoniae

  2. Staphylococcus aureus

  3. Escherichia coli

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

Streptococcus pneumoniae is the most common cause of sepsis in children.

Multiple choice

What is the most common cause of meningitis in neonates?

  1. Streptococcus pneumoniae

  2. Neisseria meningitidis

  3. Haemophilus influenzae type b

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

Escherichia coli is the most common cause of meningitis in neonates.

Multiple choice

Which of the following is NOT a common cause of fever in children with neutropenia?

  1. Pseudomonas aeruginosa

  2. Staphylococcus aureus

  3. Escherichia coli

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

Streptococcus pneumoniae is not a common cause of fever in children with neutropenia.

Multiple choice

What is the most common cause of febrile seizures in children?

  1. Influenza

  2. Streptococcal pharyngitis

  3. Pneumonia

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

Roseola is the most common cause of febrile seizures in children.

Multiple choice

What is the most common cause of death from infectious diseases in children worldwide?

  1. Pneumonia

  2. Diarrhea

  3. Measles

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

Pneumonia is the most common cause of death from infectious diseases in children worldwide.

Multiple choice

Which of the following is NOT a common cause of fever in children in developing countries?

  1. Malaria

  2. Typhoid fever

  3. Dengue fever

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

Yellow fever is not a common cause of fever in children in developing countries.