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 primary cause of poultry-related foodborne illness?

  1. Salmonella

  2. E. coli

  3. Campylobacter

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

Campylobacter is the most common cause of poultry-related foodborne illness, followed by Salmonella and E. coli.

Multiple choice

Which of the following is NOT a common sexually transmitted infection (STI) among adolescents?

  1. Chlamydia

  2. Gonorrhea

  3. Syphilis

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

Hepatitis B is not typically a common STI among adolescents. Chlamydia, gonorrhea, and syphilis are more prevalent among adolescents.

Multiple choice

Which of the following is NOT a type of infectious disease?

  1. Bacterial infection

  2. Viral infection

  3. Fungal infection

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

Parasitic infections are caused by parasites, which are organisms that live in or on other organisms and obtain nutrients from them.

Multiple choice

Which of the following is NOT a type of infectious disease that can be spread through contact with contaminated food or water?

  1. Typhoid fever

  2. Cholera

  3. Hepatitis A

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

Influenza is a respiratory infection that is spread through contact with respiratory droplets.

Multiple choice

Which of the following is NOT a type of infectious disease that can be spread through contact with an infected person?

  1. Measles

  2. Mumps

  3. Rubella

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

Malaria is a parasitic infection that is spread through the bite of an infected mosquito.

Multiple choice

Which of the following is NOT a type of infectious disease that can be spread through contact with an infected animal?

  1. Rabies

  2. Lyme disease

  3. West Nile virus

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

Tetanus is a bacterial infection that is spread through contact with contaminated soil or objects.

Multiple choice

Which of the following is NOT a type of infectious disease that can be spread through contact with an infected bird?

  1. Avian influenza

  2. West Nile virus

  3. Eastern equine encephalitis

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

Lyme disease is a bacterial infection that is spread through the bite of an infected tick.

Multiple choice

Which of the following is NOT a type of infectious disease that can be spread through contact with an infected rodent?

  1. Plague

  2. Hantavirus pulmonary syndrome

  3. Leptospirosis

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

Lyme disease is a bacterial infection that is spread through the bite of an infected tick.

Multiple choice

Which of the following is NOT a type of infectious disease that can be spread through contact with an infected reptile?

  1. Salmonella

  2. E. coli

  3. Campylobacter

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

Shigella is a bacterial infection that is spread through contact with contaminated food or water.

Multiple choice

Which of the following is NOT a type of infectious disease that can be spread through contact with an infected fish?

  1. Vibrio vulnificus

  2. Vibrio parahaemolyticus

  3. Salmonella

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

E. coli is a bacterial infection that is spread through contact with contaminated food or water.

Multiple choice

Which of the following is NOT a type of infectious disease that can be spread through contact with an infected shellfish?

  1. Vibrio vulnificus

  2. Vibrio parahaemolyticus

  3. Salmonella

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

Hepatitis A is a viral infection that is spread through contact with contaminated food or water.

Multiple choice

Which foodborne pathogen is commonly associated with undercooked poultry?

  1. Salmonella

  2. Listeria monocytogenes

  3. Escherichia coli (E. coli)

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

Salmonella is a common foodborne pathogen that can cause gastrointestinal illness. It is often associated with undercooked poultry, eggs, and unpasteurized milk.

Multiple choice

Which disease was responsible for the greatest number of deaths in the 19th century?

  1. Tuberculosis

  2. Cholera

  3. Smallpox

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

Tuberculosis was the leading cause of death in the 19th century, accounting for approximately one-quarter of all deaths.

Multiple choice

Which of the following is NOT a common type of foodborne illness?

  1. Salmonella

  2. E. coli

  3. Botulism

  4. Norovirus

  5. Influenza
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Influenza is not a common type of foodborne illness. It is a respiratory illness caused by the influenza virus.

Multiple choice

What is the primary mode of transmission for the common cold?

  1. Airborne

  2. Contact

  3. Fomite

  4. Vector-borne
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The common cold is primarily transmitted through airborne droplets when an infected person coughs or sneezes.