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 of the following is a potential health risk for migrants who are living in overcrowded housing?

  1. Tuberculosis

  2. Meningitis

  3. Measles

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

Tuberculosis, meningitis, and measles are all potential health risks for migrants who are living in overcrowded housing.

Multiple choice

Which of the following is NOT a factor that can contribute to the spread of infectious diseases?

  1. Globalization

  2. Climate change

  3. Antimicrobial resistance

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

Improved sanitation is not a factor that can contribute to the spread of infectious diseases, as it helps to prevent the transmission of diseases.

Multiple choice

What is the most common waterborne disease worldwide?

  1. Diarrhea

  2. Cholera

  3. Typhoid fever

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

Diarrhea is the most common waterborne disease worldwide, causing significant morbidity and mortality, especially among children in developing countries.

Multiple choice

Which waterborne disease is caused by a bacterium that produces a toxin that affects the nervous system?

  1. Cholera

  2. Typhoid fever

  3. Botulism

  4. Vibrio vulnificus infection
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Botulism is a waterborne disease caused by a bacterium that produces a toxin that affects the nervous system. It can be fatal if not treated promptly.

Multiple choice

Which waterborne disease is caused by a virus that can cause severe gastrointestinal symptoms?

  1. Norovirus

  2. Rotavirus

  3. Hepatitis A

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

Norovirus is a waterborne disease caused by a virus that can cause severe gastrointestinal symptoms, including vomiting and diarrhea.

Multiple choice

What was the name of the pandemic that began during the Trump presidency?

  1. COVID-19

  2. SARS

  3. MERS

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

COVID-19, caused by the SARS-CoV-2 virus, is the pandemic that began during the Trump presidency.

Multiple choice

What is the primary mode of transmission for Influenza?

  1. Airborne droplets

  2. Direct contact

  3. Fomite transmission

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

Influenza can be transmitted through airborne droplets, direct contact, and fomite transmission. This makes it a highly contagious and deadly disease.

Multiple choice

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

  1. Chlamydia

  2. Gonorrhea

  3. Syphilis

  4. Athlete's foot
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Athlete's foot is a fungal infection of the skin, not an STI.

Multiple choice

Which STI is caused by a spirochete and can lead to serious health problems if left untreated?

  1. Chlamydia

  2. Gonorrhea

  3. Syphilis

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

Syphilis is caused by the spirochete Treponema pallidum and can lead to serious health problems, including damage to the heart, brain, and nervous system, if left untreated.

Multiple choice

Which disease was responsible for the most deaths during the Black Death pandemic?

  1. Bubonic plague

  2. Pneumonic plague

  3. Septicemic plague

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

The Black Death pandemic was caused by all three forms of plague: bubonic, pneumonic, and septicemic.

Multiple choice

Which of the following is NOT a common disease associated with the monsoon season?

  1. Malaria

  2. Dengue

  3. Typhoid

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

Pneumonia is typically associated with cold weather, not the monsoon season.

Multiple choice

Which of the following is NOT a common cause of airborne diseases during the monsoon season?

  1. Respiratory infections

  2. Influenza

  3. Tuberculosis

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

Measles is typically associated with close contact with an infected person, not the monsoon season.

Multiple choice

Which waterborne pathogen is commonly associated with contaminated drinking water and can cause severe gastrointestinal illness?

  1. E. coli

  2. Salmonella

  3. Giardia lamblia

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

Giardia lamblia is a protozoan parasite that can contaminate water sources and cause giardiasis, a common waterborne disease characterized by diarrhea, abdominal cramps, and nausea.

Multiple choice

Which waterborne disease is caused by a bacterium and can lead to severe diarrhea, vomiting, and dehydration?

  1. Cholera

  2. Typhoid Fever

  3. Dysentery

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

Cholera is an infectious disease caused by the bacterium Vibrio cholerae, transmitted through contaminated water or food. It is characterized by severe diarrhea, vomiting, and dehydration, and can be fatal if left untreated.

Multiple choice

Which disease is the leading cause of death among children under the age of 5?

  1. Pneumonia

  2. Diarrhea

  3. Malaria

  4. HIV/AIDS
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Pneumonia is the leading cause of death among children under the age of 5, accounting for an estimated 1.4 million deaths each year.