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 are the complications of urethritis?

  1. Pelvic inflammatory disease

  2. Epididymitis

  3. Prostatitis

  4. Infertility

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

Urethritis can lead to a number of complications, including pelvic inflammatory disease, epididymitis, prostatitis, and infertility.

Multiple choice

Which of the following is a common foodborne illness caused by bacteria?

  1. Salmonella

  2. E. coli

  3. Listeria

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

Salmonella, E. coli, and Listeria are all common foodborne illnesses caused by bacteria.

Multiple choice

What are some common food safety hazards?

  1. Bacteria

  2. Viruses

  3. Parasites

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

Bacteria, viruses, and parasites are all common food safety hazards.

Multiple choice

What is the primary cause of pneumonia in children?

  1. Bacteria

  2. Viruses

  3. Fungi

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

Bacterial pneumonia is the most common type of pneumonia in children, caused by bacteria such as Streptococcus pneumoniae and Haemophilus influenzae.

Multiple choice

What is the primary mode of transmission for respiratory syncytial virus (RSV), a common cause of respiratory infections in children?

  1. Airborne droplets

  2. Contact with contaminated surfaces

  3. Ingestion of contaminated food or water

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

RSV is primarily transmitted through airborne droplets produced by coughing, sneezing, or talking.

Multiple choice

Which of the following is a common cause of croup, a respiratory infection characterized by a barking cough?

  1. Parainfluenza virus

  2. Influenza virus

  3. Respiratory syncytial virus (RSV)

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

Parainfluenza virus is the most common cause of croup, particularly in young children.

Multiple choice

Which of the following is a common complication of pneumonia in children?

  1. Empyema

  2. Pericarditis

  3. Meningitis

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

Pneumonia in children can lead to complications such as empyema (collection of pus in the pleural space), pericarditis (inflammation of the heart sac), and meningitis (inflammation of the brain and spinal cord membranes).

Multiple choice

What is the primary mode of transmission for influenza virus, which causes the flu?

  1. Airborne droplets

  2. Contact with contaminated surfaces

  3. Ingestion of contaminated food or water

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

Influenza virus is primarily transmitted through airborne droplets produced by coughing, sneezing, or talking.

Multiple choice

What is an infectious disease?

  1. A disease caused by a pathogen

  2. A disease caused by a non-pathogen

  3. A disease caused by a virus

  4. A disease caused by a bacteria
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An infectious disease is a disease caused by a pathogen, which can be a virus, bacteria, fungus, or parasite.

Multiple choice

What is a pandemic?

  1. A global outbreak of an infectious disease

  2. A local outbreak of an infectious disease

  3. A regional outbreak of an infectious disease

  4. A national outbreak of an infectious disease
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A pandemic is a global outbreak of an infectious disease that affects a large number of people worldwide.

Multiple choice

What are the three main types of infectious diseases?

  1. Bacterial, viral, and fungal

  2. Bacterial, viral, and parasitic

  3. Bacterial, viral, and prion

  4. Bacterial, viral, and protozoan
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The three main types of infectious diseases are bacterial, viral, and parasitic.

Multiple choice

How are infectious diseases transmitted?

  1. Through contact with an infected person or animal

  2. Through contact with contaminated food or water

  3. Through contact with contaminated surfaces

  4. Through the air
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Infectious diseases can be transmitted through contact with an infected person or animal, through contact with contaminated food or water, through contact with contaminated surfaces, and through the air.

Multiple choice

What are some of the most common infectious diseases in the world?

  1. HIV/AIDS

  2. Tuberculosis

  3. Malaria

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

Some of the most common infectious diseases in the world include HIV/AIDS, tuberculosis, malaria, and hepatitis B.

Multiple choice

What is the most common cause of death from infectious diseases?

  1. Pneumonia

  2. Tuberculosis

  3. HIV/AIDS

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

Pneumonia is the most common cause of death from infectious diseases.

Multiple choice

What is the most common cause of death from tuberculosis?

  1. HIV/AIDS

  2. Malaria

  3. Pneumonia

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

HIV/AIDS is the most common cause of death from tuberculosis.