Biology ยท 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

What is the most common type of foodborne illness caused by a virus?

  1. Norovirus

  2. Hepatitis A

  3. Rotavirus

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

Norovirus is the most common type of foodborne illness caused by a virus, causing an estimated 21 million cases each year in the United States.

Multiple choice

In the video game (The Division), what is the name of the virus that has caused a global pandemic and societal collapse?

  1. Green Poison

  2. Black Death

  3. Spanish Flu

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

The Green Flu is a deadly virus that has caused a global pandemic and societal collapse in The Division, leading to the formation of factions and the struggle for survival.

Multiple choice

What is the most common cause of sudden hearing loss in children?

  1. Meningitis

  2. Mumps

  3. Measles

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

Meningitis, mumps, and measles can all cause sudden hearing loss in children.

Multiple choice

What is the most common type of sexually transmitted infection (STI) in older adults?

  1. Chlamydia

  2. Gonorrhea

  3. Syphilis

  4. Herpes simplex virus (HSV)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Herpes simplex virus (HSV) is the most common type of sexually transmitted infection (STI) in older adults.

Multiple choice

Which of the following is a common waterborne infectious disease caused by bacteria?

  1. Cholera

  2. Typhoid Fever

  3. Hepatitis A

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

Cholera is a severe diarrheal disease caused by the bacterium Vibrio cholerae and is transmitted through contaminated water or food.

Multiple choice

Which of the following is a viral waterborne disease that can cause liver inflammation?

  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 a viral waterborne disease that primarily affects the liver and can cause symptoms such as jaundice, fatigue, and abdominal pain.

Multiple choice

What is the primary mode of treatment for cholera, a waterborne disease caused by Vibrio cholerae?

  1. Antibiotics

  2. Oral Rehydration Therapy

  3. Intravenous Fluids

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

Treatment for cholera includes antibiotics, oral rehydration therapy, and intravenous fluids to replenish lost fluids and electrolytes.

Multiple choice

Which of the following is a waterborne disease caused by a virus that can cause respiratory symptoms?

  1. Rotavirus

  2. Norovirus

  3. Adenovirus

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

Norovirus is a highly contagious virus that can cause gastroenteritis, characterized by vomiting, diarrhea, and abdominal pain.

Multiple choice

Which of the following is a waterborne disease caused by a bacterium that can cause skin and soft tissue infections?

  1. Vibrio vulnificus

  2. Vibrio cholerae

  3. Shigella

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

Vibrio vulnificus is a bacterium that can cause skin and soft tissue infections, particularly in individuals with weakened immune systems.

Multiple choice

What is the primary mode of transmission for waterborne infectious diseases caused by bacteria?

  1. Airborne Transmission

  2. Contact Transmission

  3. Waterborne Transmission

  4. Vector-Borne Transmission
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bacteria, such as Vibrio cholerae and Salmonella typhi, are transmitted through the consumption of contaminated water or food.

Multiple choice

What is smallpox?

  1. A highly contagious infectious disease caused by the variola virus

  2. A type of skin cancer

  3. A bacterial infection that causes fever and rash

  4. A respiratory illness caused by a virus
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Smallpox is a highly contagious infectious disease caused by the variola virus. It is characterized by a rash of small red bumps that can spread over the entire body.

Multiple choice

How is smallpox transmitted?

  1. Through direct contact with an infected person

  2. Through contact with contaminated objects

  3. Through the air

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

Smallpox can be transmitted through direct contact with an infected person, through contact with contaminated objects, or through the air.

Multiple choice

What is the primary cause of Creutzfeldt-Jakob disease?

  1. Prion protein misfolding

  2. Amyloid plaque accumulation

  3. Tau tangle formation

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

Creutzfeldt-Jakob disease is caused by the misfolding of the prion protein.

Multiple choice

What is the most common type of foodborne illness?

  1. Salmonella

  2. E. coli

  3. Listeria

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

Norovirus is the most common type of foodborne illness, causing an estimated 21 million illnesses in the United States each year.

Multiple choice

What is the leading cause of neonatal diarrhea worldwide?

  1. Rotavirus

  2. Bacteria

  3. Parasites

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

Rotavirus is the most common cause of neonatal diarrhea worldwide, accounting for approximately 40% of cases.