Biology · 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
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Giardiasis
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Balantidiasis
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Diphtheria
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Fasciolosis
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Hepatitis A
B
Correct answer
Explanation
Balantidiasis is a protozoan infection caused by Balantidium coli.
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Malaria and pneumonia
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Ateliosis and meningitis
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Clonorchiasis and tetanus
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Meningitis and tetanus
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Pneumonia and clonorchiasis
D
Correct answer
Explanation
Yes, it is the correct answer.
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Virus
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Bacteria
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Fungus
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Ringworm
A
Correct answer
Explanation
Warts are small, grainy skin growths caused by the human papillomavirus (HPV).
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Viral
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Fungal
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Bacterial
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Parasitic
C
Correct answer
Explanation
Tuberculosis is an infectious disease caused by the bacterium Mycobacterium tuberculosis.
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Tetanus
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Whooping cough
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Pneumonia
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Rabies
D
Correct answer
Explanation
Rabies is a viral disease, not a bacterial one. Tetanus, whooping cough, and pneumonia are all caused by bacterial infections.
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Cystoisospora belli
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Isospora belli
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Isospora hammondi
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Isospora
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Cyclospora cayetanensis
E
Correct answer
Explanation
Cyclospora cayetanensis is an apicomplexan, cyst-forming coccidian protozoa that causes acute self-limiting diarrhoea.
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AIDS
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Tuberculosis
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Malaria
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Ebola
B
Correct answer
Explanation
Tuberculosis remains one of the leading causes of death from a single infectious agent globally, according to WHO statistics.
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Arsenic
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Mercury
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Lead
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Nickel
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Cadmium
D
Correct answer
Explanation
This is the correct option. Cadmium was responsible for 'itai itai' disease in Japan. This disease was caused due to the eating of rice produced from soil containing high level of cadmium.
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PNS
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CNS
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Circulatory system
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Digestive system
B
Correct answer
Explanation
Minamata disease is a neurological syndrome caused by severe mercury poisoning. It primarily affects the central nervous system (CNS).
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Gonorrhea
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Glanders
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Filariasis
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Hand, foot and mouth disease
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Listeriosis
E
Correct answer
Explanation
Listeriosis is caused by a Gram-positive bacteria Listeria monocytogenes.
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Ebola haemorrhagic fever
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Roseola
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Haemophilus influenzae
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Herpes simplex
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Hepatitis E
C
Correct answer
Explanation
Haemophilus influenzae is caused by Gram-negative, coccobacillary, facultatively anaerobic pathogenic bacterium.
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Trichinosis
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Trichomoniasis
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Trichuriasis
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Trachoma
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Toxocariasis
B
Correct answer
Explanation
Trichomoniasis is caused by Trichomonas vaginalis.
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Stomach flu
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Legionnaires
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Kuru
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Typhus
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Rotavirus infection
A
Correct answer
Explanation
This option is correct because stomach flu is caused by Norwalk virus.
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Sporotrichosis and syphilis
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Trichomoniasis and syphilis
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Strongyloidiasis and trichomoniasis
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Shingles and sporotrichosis
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Strongyloidiasis and sporotrichosis
B
Correct answer
Explanation
Trichomoniasis and syphilis are transmitted through sexual activity.
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Cat-scratch disease - Bartonella quintana
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Candidiasis - Candida albicans
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Buruli ulcer - Clostridium botulinum
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Chagas disease - Trypanosoma cruzi
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Chancroid - Haemophilus ducreyi
C
Correct answer
Explanation
Buruli ulcer is caused by Mycobacterium ulcerans. Clostridium botulinum causes botulism.