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 infectious disease is caused by a fungus and can affect the lungs, skin, and nails?

  1. Aspergillosis

  2. Candidiasis

  3. Cryptococcosis

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

Aspergillosis is an infection caused by a fungus called Aspergillus, which can affect the lungs, skin, and nails.

Multiple choice

What is the name of the bacterial infection that can cause pneumonia, meningitis, and sepsis?

  1. Streptococcus pneumoniae

  2. Staphylococcus aureus

  3. Escherichia coli

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

Streptococcus pneumoniae is a bacterium that can cause pneumonia, meningitis, and sepsis.

Multiple choice

Which infectious disease is caused by a virus that can cause a rash, fever, and swollen lymph nodes?

  1. Measles

  2. Mumps

  3. Rubella

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

Measles is a highly contagious viral infection that causes a rash, fever, and swollen lymph nodes.

Multiple choice

Which infectious disease is caused by a bacterium that can cause diarrhea, vomiting, and abdominal pain?

  1. Salmonella

  2. E. coli

  3. Shigella

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

Salmonella is a bacterium that can cause diarrhea, vomiting, and abdominal pain.

Multiple choice

Which of the following is a common cause of sepsis in newborns?

  1. Group B Streptococcus (GBS)

  2. Escherichia coli (E. coli)

  3. Staphylococcus aureus

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

Common causes of sepsis in newborns include Group B Streptococcus (GBS), Escherichia coli (E. coli), and Staphylococcus aureus.

Multiple choice

The belief that illness is caused by an imbalance in the body's humors is called:

  1. Animism

  2. Vitalism

  3. Mechanism

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

Vitalism is the belief that illness is caused by an imbalance in the body's humors. It was a popular belief system in ancient Greece and Rome.

Multiple choice

Which Indian mathematician is known for his contributions to medicine?

  1. Aryabhata

  2. Bhaskara II

  3. Charaka

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

Charaka is known as the father of Indian medicine and is credited with writing the Charaka Samhita, a comprehensive treatise on medicine.

Multiple choice

What is the cause of psoriasis?

  1. An overactive immune system

  2. A bacterial infection

  3. A fungal infection

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

Psoriasis is an autoimmune disease that causes the skin cells to grow too quickly. This results in red, scaly patches of skin.

Multiple choice

What is the cause of hives?

  1. An allergic reaction

  2. A viral infection

  3. A bacterial infection

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

Hives are a type of skin rash that is caused by an allergic reaction. The rash can be itchy and uncomfortable.

Multiple choice

Which of the following is a common type of skin rash that is caused by a bacterial infection?

  1. Impetigo

  2. Cellulitis

  3. Erysipelas

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

Impetigo, cellulitis, and erysipelas are all common types of skin rashes that are caused by a bacterial infection.

Multiple choice

Which of the following is a common type of skin rash that is caused by a viral infection?

  1. Herpes simplex

  2. Varicella-zoster

  3. Measles

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

Herpes simplex, varicella-zoster, and measles are all common types of skin rashes that are caused by a viral infection.

Multiple choice

What is the most common type of skin infection?

  1. Acne

  2. Eczema

  3. Psoriasis

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

Acne is the most common type of skin infection, affecting up to 85% of people at some point in their lives.

Multiple choice

What is the primary cause of ringworm?

  1. Fungi

  2. Bacteria

  3. Viruses

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

Ringworm is caused by fungi that live on the skin.

Multiple choice

What is the primary mechanism by which bacteria cause disease in humans?

  1. Direct cell damage

  2. Toxins

  3. Immune system activation

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

Bacteria often cause disease by producing toxins, which are harmful substances that can damage host cells and tissues, leading to various symptoms and complications.

Multiple choice

What is the term used to describe the ability of a pathogen to be transmitted from one host to another?

  1. Pathogenicity

  2. Virulence

  3. Infectivity

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

Transmissibility refers to the ability of a pathogen to be transferred from an infected host to a susceptible host, either through direct contact, indirect contact, or via vectors.