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 diseases is caused by a bacteria that is transmitted through contact with animals?

  1. Brucellosis

  2. Anthrax

  3. Leptospirosis

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

Brucellosis, anthrax, and leptospirosis are all caused by bacteria that are transmitted through contact with animals.

Multiple choice

Which foodborne pathogen is commonly associated with raw or undercooked poultry?

  1. Salmonella

  2. Escherichia coli

  3. Listeria monocytogenes

  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 in humans. It is often associated with raw or undercooked poultry and eggs.

Multiple choice

Which foodborne pathogen is commonly associated with raw or undercooked meat?

  1. Salmonella

  2. Escherichia coli

  3. Listeria monocytogenes

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

Escherichia coli (E. coli) is a common foodborne pathogen that can cause gastrointestinal illness in humans. It is often associated with raw or undercooked meat, unpasteurized milk, and contaminated water.

Multiple choice

Which foodborne pathogen is commonly associated with raw or undercooked seafood?

  1. Salmonella

  2. Escherichia coli

  3. Listeria monocytogenes

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

Vibrio parahaemolyticus is a common foodborne pathogen that can cause gastrointestinal illness in humans. It is often associated with raw or undercooked seafood, particularly oysters and clams.

Multiple choice

Which foodborne illness is commonly associated with the consumption of raw or undercooked poultry?

  1. Salmonella

  2. E. coli

  3. Campylobacter

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

Campylobacter is a common foodborne illness associated with the consumption of raw or undercooked poultry, causing symptoms such as diarrhea, abdominal pain, and fever.

Multiple choice

Which of these microorganisms is responsible for causing the common cold?

  1. Bacteria

  2. Viruses

  3. Fungi

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

The common cold is caused by viruses, specifically rhinoviruses.

Multiple choice

What is the most common cause of orchitis?

  1. Bacterial infection

  2. Viral infection

  3. Autoimmune disorder

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

Bacterial infections, particularly those caused by sexually transmitted bacteria like Chlamydia and Neisseria gonorrhoeae, are the most common cause of orchitis.

Multiple choice

Which of the following is a potential complication of orchitis?

  1. Infertility

  2. Epididymitis

  3. Testicular atrophy

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

Orchitis can potentially lead to infertility, epididymitis (inflammation of the epididymis), testicular atrophy (shrinkage of the testicles), and other complications.

Multiple choice

What is the most common cause of viral orchitis?

  1. Mumps virus

  2. Herpes simplex virus

  3. Cytomegalovirus

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

Mumps virus is the most common cause of viral orchitis. It is a highly contagious virus that can spread through respiratory droplets.

Multiple choice

What is the most common skin disease in dogs?

  1. Atopic dermatitis

  2. Fleas

  3. Ringworm

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

Atopic dermatitis is a common skin disease in dogs that causes itching, redness, and inflammation.

Multiple choice

What is the most common skin disease in cats?

  1. Ringworm

  2. Fleas

  3. Mange

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

Ringworm is a common skin disease in cats that is caused by a fungus.

Multiple choice

What is the most common skin disease in horses?

  1. Rain rot

  2. Sweet itch

  3. Mange

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

Rain rot is a common skin disease in horses that is caused by a bacteria.

Multiple choice

What is the most common skin disease in cattle?

  1. Ringworm

  2. Mange

  3. Lice

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

Mange is a common skin disease in cattle that is caused by a mite.

Multiple choice

What is the most common skin disease in pigs?

  1. Mange

  2. Ringworm

  3. Lice

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

Mange is a common skin disease in pigs that is caused by a mite.

Multiple choice

What is the most common skin disease in chickens?

  1. Feather mites

  2. Lice

  3. Scaly leg mites

  4. Northern fowl mite
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Feather mites are a common skin disease in chickens that can cause feather loss, itching, and irritation.