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 food contaminant is a common cause of foodborne illness?

  1. Salmonella

  2. E. coli

  3. Listeria monocytogenes

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

Salmonella, E. coli, and Listeria monocytogenes are all common foodborne pathogens that can cause foodborne illness, leading to symptoms such as nausea, vomiting, diarrhea, and abdominal pain.

Multiple choice

Which of the following is not a common poultry disease?

  1. Newcastle disease

  2. Avian influenza

  3. Marek's disease

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

Mad cow disease is not a common poultry disease.

Multiple choice

Which disease is caused by a virus and is characterized by a fever, headache, muscle aches, and a rash, and can lead to serious complications such as encephalitis and meningitis?

  1. Dengue fever

  2. Chikungunya

  3. Yellow fever

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

Dengue fever is caused by a virus and is characterized by a fever, headache, muscle aches, and a rash, and can lead to serious complications such as encephalitis and meningitis.

Multiple choice

What is the most common sexually transmitted infection (STI) that affects the skin?

  1. Herpes simplex virus (HSV)

  2. Human papillomavirus (HPV)

  3. Syphilis

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

Human papillomavirus (HPV) is the most common sexually transmitted infection (STI) that affects the skin. It can cause warts, genital warts, and certain types of cancer.

Multiple choice

Which skin condition is characterized by the formation of small, itchy, fluid-filled blisters on the skin?

  1. Chickenpox

  2. Shingles

  3. Herpes simplex virus (HSV)

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

Chickenpox is a highly contagious viral infection that causes small, itchy, fluid-filled blisters on the skin.

Multiple choice

What is the primary cause of seborrheic dermatitis?

  1. Fungal infection

  2. Bacterial infection

  3. Hormonal imbalances

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

Seborrheic dermatitis is a common skin condition caused by a fungal infection that affects the scalp, face, and other oily areas of the body.

Multiple choice

What is the most common cause of diarrhea in toddlers?

  1. Viral infection

  2. Bacterial infection

  3. Food allergy

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

Viral infections are the most common cause of diarrhea in toddlers. Rotavirus is a common culprit.

Multiple choice

What is the most common cause of a fever in toddlers?

  1. Infection

  2. Teething

  3. Immunization

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

Infection is the most common cause of a fever in toddlers. Viral and bacterial infections can both cause fever.

Multiple choice

What is the most common cause of a cough in toddlers?

  1. Cold

  2. Flu

  3. Croup

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

Colds are the most common cause of a cough in toddlers. Viral infections cause colds.

Multiple choice

What is the most common cause of a croup in toddlers?

  1. Viral infection

  2. Bacterial infection

  3. Allergy

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

Croup is a viral infection of the larynx and trachea. It is characterized by a barking cough.

Multiple choice

What is the most common cause of a hand, foot, and mouth disease in toddlers?

  1. Viral infection

  2. Bacterial infection

  3. Fungal infection

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

Hand, foot, and mouth disease is a viral infection that causes a rash on the hands, feet, and mouth.

Multiple choice

What is the most common cause of a mumps in toddlers?

  1. Viral infection

  2. Bacterial infection

  3. Fungal infection

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

Mumps is a viral infection that causes swelling of the salivary glands.

Multiple choice

Which of the following is a potential complication of dengue fever?

  1. Dengue hemorrhagic fever

  2. Dengue shock syndrome

  3. Encephalitis

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

Dengue fever can lead to several complications, including dengue hemorrhagic fever, dengue shock syndrome, encephalitis, and other severe manifestations.

Multiple choice

Which of the following is a common foodborne illness caused by bacteria?

  1. Salmonella

  2. Influenza

  3. Measles

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

Salmonella is a type of bacteria that can cause foodborne illness, leading to symptoms such as diarrhea, vomiting, and abdominal pain.

Multiple choice

Which of the following is an example of a foodborne illness caused by a virus?

  1. Norovirus

  2. E. coli

  3. Listeria

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

Norovirus is a highly contagious virus that can cause foodborne illness, leading to symptoms such as vomiting, diarrhea, and stomach pain.