Biology · 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 sepsis?

  1. A life-threatening condition caused by the body's response to an infection.

  2. A type of bacterial infection.

  3. A virus that can cause pneumonia.

  4. A type of cancer that affects the blood.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sepsis is a life-threatening condition that occurs when the body's response to an infection damages its own tissues and organs.

Multiple choice

How is sepsis diagnosed?

  1. Blood culture.

  2. Urine culture.

  3. Chest X-ray.

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

Blood culture, urine culture, and chest X-ray are all used to diagnose sepsis.

Multiple choice

What is the most common cause of styes and chalazia?

  1. Bacteria

  2. Viruses

  3. Blocked oil glands

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

The most common cause of styes and chalazia is blocked oil glands.

Multiple choice

Which of the following is a common waterborne disease associated with contaminated groundwater?

  1. Cholera

  2. Typhoid

  3. Hepatitis A

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

Cholera, typhoid, and hepatitis A are all common waterborne diseases associated with contaminated groundwater.

Multiple choice

What is the most common disease that affects egg production in hens?

  1. Avian influenza

  2. Newcastle disease

  3. Marek's disease

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

Infectious bronchitis is the most prevalent disease that affects egg production in hens. It is a highly contagious respiratory disease that can cause a significant drop in egg production.

Multiple choice

What are some common food safety hazards?

  1. Bacteria.

  2. Viruses.

  3. Parasites.

  4. Chemicals.

  5. All of the above.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Common food safety hazards include bacteria, viruses, parasites, and chemicals.

Multiple choice

Which of the following is not a type of meningeal inflammation?

  1. Meningitis

  2. Encephalitis

  3. Myelitis

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

Encephalitis is an inflammation of the brain, not the meninges.

Multiple choice

What is the most common cause of meningitis?

  1. Bacteria

  2. Viruses

  3. Fungi

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

Bacteria are the most common cause of meningitis.

Multiple choice

Which of the following is NOT a common type of healthcare-associated infection?

  1. Surgical site infections

  2. Urinary tract infections

  3. Pneumonia

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

The common cold is not a healthcare-associated infection, as it is typically caused by viruses that are not transmitted in healthcare settings.

Multiple choice

Which of the following is a virus that causes the common cold?

  1. Rhinovirus

  2. Influenza virus

  3. Adenovirus

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

Rhinovirus is a virus that is the most common cause of the common cold.

Multiple choice

Which of the following is a prion that causes Creutzfeldt-Jakob disease?

  1. PrP

  2. Aβ

  3. Tau

  4. α-Synuclein
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

PrP is a prion that is the most common cause of Creutzfeldt-Jakob disease.

Multiple choice

Which of the following is a risk factor for acquiring an infectious disease?

  1. Poor hygiene

  2. Weak immune system

  3. Exposure to infected individuals

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

All of the above are risk factors for acquiring an infectious disease.

Multiple choice

Which of the following is a complication of an infectious disease?

  1. Pneumonia

  2. Sepsis

  3. Meningitis

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

All of the above are complications of an infectious disease.

Multiple choice

What is a wart?

  1. A non-cancerous skin growth caused by a virus

  2. A type of skin cancer

  3. A viral infection of the skin

  4. A bacterial infection of the skin
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A wart is a non-cancerous skin growth caused by a virus that is often raised and has a rough surface.

Multiple choice

What is a mole?

  1. A small, dark spot on the skin

  2. A type of skin cancer

  3. A viral infection of the skin

  4. A bacterial infection of the skin
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A mole is a small, dark spot on the skin that is usually round or oval in shape.