Biology · 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

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.

Multiple choice

What is an abscess?

  1. A collection of pus in a body tissue

  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

An abscess is a collection of pus in a body tissue that is usually caused by a bacterial infection.

Multiple choice

What is a boil?

  1. A small, pus-filled bump 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 boil is a small, pus-filled bump on the skin that is usually caused by a bacterial infection.

Multiple choice

What are hemorrhoids?

  1. Swollen veins in the anus and rectum

  2. Inflammation of the colon

  3. A type of skin cancer

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

Hemorrhoids are swollen veins in the anus and rectum. They can be internal or external.

Multiple choice

Which bacterium is responsible for causing cholera?

  1. Escherichia coli

  2. Salmonella typhimurium

  3. Vibrio cholerae

  4. Staphylococcus aureus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vibrio cholerae is the bacterium responsible for causing cholera, a severe diarrheal disease.

Multiple choice

Which bacterium is responsible for causing tuberculosis?

  1. Mycobacterium tuberculosis

  2. Streptococcus pneumoniae

  3. Escherichia coli

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

Mycobacterium tuberculosis is the bacterium responsible for causing tuberculosis, a contagious bacterial infection.

Multiple choice

Which bacterium is responsible for causing typhoid fever?

  1. Salmonella typhi

  2. Escherichia coli

  3. Vibrio cholerae

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

Salmonella typhi is the bacterium responsible for causing typhoid fever, a bacterial infection of the digestive system.