Biology ยท Science General
Disease Causative Agents
2,531 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
Which of the following is a sexually transmitted infection (STI) that can cause painless sores on the genitals?
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Chlamydia
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Gonorrhea
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Human papillomavirus (HPV)
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Syphilis
D
Correct answer
Explanation
Syphilis is a sexually transmitted infection (STI) that can cause painless sores on the genitals. Chlamydia, gonorrhea, and human papillomavirus (HPV) are other STIs, but they do not cause painless sores on the genitals.
Which of the following is a sexually transmitted infection (STI) that can cause a rash on the palms of the hands and soles of the feet?
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Chlamydia
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Gonorrhea
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Human papillomavirus (HPV)
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Syphilis
D
Correct answer
Explanation
Syphilis is a sexually transmitted infection (STI) that can cause a rash on the palms of the hands and soles of the feet. Chlamydia, gonorrhea, and human papillomavirus (HPV) are other STIs, but they do not cause a rash on the palms of the hands and soles of the feet.
Which of the following is a sexually transmitted infection (STI) that can cause neurological problems?
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Chlamydia
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Gonorrhea
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Human papillomavirus (HPV)
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Syphilis
D
Correct answer
Explanation
Syphilis is a sexually transmitted infection (STI) that can cause neurological problems. Chlamydia, gonorrhea, and human papillomavirus (HPV) are other STIs, but they do not cause neurological problems.
Which of the following is a sexually transmitted infection (STI) that can cause heart problems?
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Chlamydia
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Gonorrhea
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Human papillomavirus (HPV)
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Syphilis
D
Correct answer
Explanation
Syphilis is a sexually transmitted infection (STI) that can cause heart problems. Chlamydia, gonorrhea, and human papillomavirus (HPV) are other STIs, but they do not cause heart problems.
Which of the following is a sexually transmitted infection (STI) that can cause blindness?
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Chlamydia
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Gonorrhea
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Human papillomavirus (HPV)
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Syphilis
D
Correct answer
Explanation
Syphilis is a sexually transmitted infection (STI) that can cause blindness. Chlamydia, gonorrhea, and human papillomavirus (HPV) are other STIs, but they do not cause blindness.
What is the most common cause of food poisoning?
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Bacteria
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Viruses
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Parasites
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Chemicals
A
Correct answer
Explanation
The most common cause of food poisoning is bacteria.
Which of the following is NOT a common type of bloodborne pathogen?
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Hepatitis B virus (HBV).
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Hepatitis C virus (HCV).
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Human immunodeficiency virus (HIV).
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Influenza virus.
D
Correct answer
Explanation
Influenza virus is not a bloodborne pathogen.
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Contact with infected eyes or objects
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Coughing or sneezing
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Sharing towels or washcloths
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Touching your eyes after touching something contaminated
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All of the above
E
Correct answer
Explanation
Pink eye can be spread through contact with infected eyes or objects, coughing or sneezing, sharing towels or washcloths, and touching your eyes after touching something contaminated.
What is the main cause of waterborne diseases?
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Contaminated drinking water
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Poor sanitation
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Lack of access to clean water
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All of the above
D
Correct answer
Explanation
Waterborne diseases are primarily caused by the consumption of contaminated drinking water, poor sanitation practices, and lack of access to clean water. These conditions allow harmful microorganisms, such as bacteria, viruses, and parasites, to thrive and spread, leading to waterborne illnesses such as cholera, typhoid, and dysentery.
What is the most common cause of bronchitis?
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Bacteria
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Virus
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Fungus
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Parasite
B
Correct answer
Explanation
Bronchitis is an inflammation of the bronchi, the large airways that carry air to and from the lungs. The most common cause of bronchitis is a virus.
Which of the following is a common type of bacteria that can contaminate dairy products and cause foodborne illness?
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Salmonella
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Listeria monocytogenes
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Escherichia coli (E. coli)
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Staphylococcus aureus
B
Correct answer
Explanation
Listeria monocytogenes is a type of bacteria that can contaminate dairy products and cause listeriosis, a serious foodborne illness that can be particularly dangerous for pregnant women, the elderly, and people with weakened immune systems.
Which of the following is a common type of foodborne illness caused by consuming contaminated dairy products?
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Salmonella poisoning
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E. coli infection
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Listeriosis
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Campylobacteriosis
C
Correct answer
Explanation
Listeriosis is a type of foodborne illness caused by consuming food contaminated with the bacteria Listeria monocytogenes. Dairy products are a common source of Listeria contamination.
Which of the following is a common type of foodborne illness caused by consuming contaminated meat or poultry?
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Salmonella poisoning
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E. coli infection
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Campylobacteriosis
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All of the above
D
Correct answer
Explanation
Salmonella poisoning, E. coli infection, and Campylobacteriosis are all common types of foodborne illness caused by consuming contaminated meat or poultry.
Which of the following is a common type of foodborne illness caused by consuming contaminated seafood?
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Vibrio vulnificus infection
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Ciguatera poisoning
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Scombroid poisoning
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All of the above
D
Correct answer
Explanation
Vibrio vulnificus infection, Ciguatera poisoning, and Scombroid poisoning are all common types of foodborne illness caused by consuming contaminated seafood.
Which chronic disease is characterized by inflammation of the joints?
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Rheumatoid Arthritis
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Osteoarthritis
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Gout
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Lupus
A
Correct answer
Explanation
Rheumatoid arthritis is an autoimmune disease that causes inflammation of the joints, leading to pain, swelling, and stiffness.