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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Pyomyositis
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Chickenpox
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Cowpox
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Common cold
A
Correct answer
Explanation
Pyomyositis, is a bacterial infection of the skeletal muscles which results in a pus-filled abscess. Pyomyositis is most common in tropical areas but can also occur in temperate zones.
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Borna disease
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Bornholm disease
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Bronchiolitis
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Bovine virus diarrhea
A
Correct answer
Explanation
Borna disease is an infectious neurological syndrome of warm-blooded animals, caused by Borna disease virus, which causes abnormal behaviour and fatality. The causative agent of Borna disease, Borna disease virus (BDV) is a neurotropic virus and is a member of the Bornaviridae family within the Mononegavirales order.
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Sjogren's syndrome
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Bacteremia
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Bartonellosis
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Oroya fever
A
Correct answer
Explanation
Sjِgren's syndrome is a systemic autoimmune disease in which immune cells attack and destroy the exocrine glands that produce tears and saliva.
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Botryomycosis
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Brazilian purpuric fever
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Brodie abscess
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Buruli ulcer
A
Correct answer
Explanation
This desease, also known as bacterial pseudomycosis is a rare chronic granulomatous bacterial infection that affects the skin, and sometimes the viscera. Botryomycosis has been known to affect humans, horses, cattle, swine, dogs and cats.
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Autoimmune polyendocrine syndrome type 2
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Schnitzler syndrome
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Scleritis
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Limited systemic sclerosis
B
Correct answer
Explanation
Schnitzler syndrome is a rare disease characterised by chronic hives (urticaria) and periodic fever, bone pain and joint pain (sometimes with joint inflammation), weight loss, malaise, fatigue, swollen lymph glands and enlarged spleen and liver.
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Subacute bacterial endocarditis
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Susac's syndrome
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Sweet's syndrome
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Sydenham's chorea
B
Correct answer
Explanation
Susac's syndrome is a microangiopathy characterized by encephalopathy, branch retinal artery occlusions and hearing loss. It is caused by the immune system attacking healthy tissue, and can lead to mental disorders.
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Campylobacteriosis
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Caries
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Chlamydia infection
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Lyme
B
Correct answer
Explanation
Caries is a progressive destruction of any kind of bone structure, including the skull, ribs and other bones, or the teeth. Caries can be caused by osteomyelitis, which is a microorganism disease. A disease that involves caries is mastoiditis, an inflammation of the mastoid process, in which the bone gets eroded.
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Zika fever
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Contagious bovine pleuropneumonia
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Diphtheria
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Cholera
A
Correct answer
Explanation
Zika fever is an illness caused by the Zika virus, a member of the family Flaviviridae. Common symptoms include a maculopapular skin rash that starts on the face or trunk before moving to the rest of the body, conjunctivitis, joint pain, low-grade fevers and headache.
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Fitz-Hugh-Curtis syndrome
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Garre's sclerosing osteomyelitis
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Ghon's complex
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Pertussis
C
Correct answer
Explanation
Ghon's complex is a lesion seen in the lung that is caused by tuberculosis. The lesions consist of a calcified focus of infection and an associated lymph node. These lesions are particularly common in children and can retain viable bacteria, so are sources of long-term infection and may be involved in reactivation of the disease in later life.
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Relapsing fever
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Rickettsia felis
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Salmonellosis
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Spondylitis
D
Correct answer
Explanation
Spondylitis is an inflammation of the vertebra. It is a form of spondylopathy. In many cases, spondylitis involves one or more vertebral joint as well, which itself is called spondylarthritis.
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Dengue fever
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Encephalitis
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Pneumonia
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Hay fever
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Typhoid
B
Correct answer
Explanation
Yes, it is correct. Encephalitis is inflammation of the brain tissue. Most cases are caused by viral infections. In rare cases, it can also be caused by bacteria.
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Acne
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Typhoid
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Influenza
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Anthrax
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Tuberculosis
C
Correct answer
Explanation
Influenza is caused by a virus.
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a casual handshake
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a hug
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by sexual contact
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sitting very close
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All of the above
C
Correct answer
Explanation
Yes, it is correct. The primary route of transmission is through sexual contact.
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dog
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bat
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raccoon
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skunk
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All of the above
E
Correct answer
Explanation
Yes, it is the correct answer.
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the colour of microbes
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the size of microbes
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the number of microbes
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the variety of microbes
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None of these
C
Correct answer
Explanation
The number of microbes in the body affects the severity of disease manifestation.