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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Vectors carry source of infection
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Vectors get infected with the microorganism
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Vectors transmit infection from infected to healthy person
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Vectors transmit germs from garbage to food items
B
Correct answer
Explanation
Vectors are organisms which carry source of infection without themselves being infected.
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Filaria
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Rabies
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Plague
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Elephantiasis
B
Correct answer
Explanation
Rabies spread through bites of animals which are infected by the virus.
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Drinking contaminated water
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Inhaling germs through air
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Transfer of contaminated blood
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Taking inadequate diet
D
Correct answer
Explanation
Non communicable diseases can develop due to intake of inadequate diet which leads to deficiency of nutrients.
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Deficiency
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Infectious
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Communicable
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Malfunctioning
A
Correct answer
Explanation
Marasmus is a nutritional deficiency disorder.
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Unnatural division of cells
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Hypersensitivity to foreign antigens
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Ingestion of contaminated food
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Malfunctioning of organ
C
Correct answer
Explanation
Ingestion of contaminated food can lead to infectious of digestive tract and cause communicable disease.
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(i) and (ii)
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(i) and (iii)
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(ii) and (iii)
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(i) only
B
Correct answer
Explanation
Diseases that can spread from one person to another are usually caused by germs and called infectious/communicable diseases.
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Gonorrhoea
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Plague
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Whooping cough
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Syphilis
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Lock Jaw
C
Correct answer
Explanation
This is the correct answer because Hemophilus pertusis causes whooping cough.
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Leprosy
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Chicken pox
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Sleeping sickness
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Break bone fever
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Pellagra
C
Correct answer
Explanation
This is the correct answer because sleeping sickness is caused by Trypanosoma Bruce, which is a protozoan.
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Only a and b
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Only a and c
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Only a and d
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Only b and c
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Only b and d
D
Correct answer
Explanation
Gonorrhoea and Syphylis are sexually transmitted diseases.
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AIDS
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Syphilis
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Gonorrhoea
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Alzheimer's disease
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None of these
D
Correct answer
Explanation
Alzheimer's disease is progressive mental deterioration.
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Only b
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Both a and c
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Both b and c
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Both a and b
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Only c
B
Correct answer
Explanation
Syphilis and gonorrhoea are caused by bacteria.
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Cancer
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Asthma
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Typhoid
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Rheumatoid arthritis
D
Correct answer
Explanation
Rheumatoid arthritis is an autoimmune disease that can cause chronic inflammation of the joints and other areas of the body.
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Cholera and hepatitis
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Hepatitis and AIDS
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Diabetes mellitus and malaria
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Hay fever and AIDS
B
Correct answer
Explanation
Hepatitis and AIDS can spread through blood transfusion.
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tetanus
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rabies
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polio
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cholera
B
Correct answer
Explanation
Rabies is a viral disease that causes acute inflammation of the brain in humans and other warm-blooded animals. Early symptoms can include fever and tingling at the site of exposure. These symptoms are followed by one or more of the following symptoms: violent movements, uncontrolled excitement, fear of water (hydrophobia), an inability to move parts of the body, confusion and loss of consciousness.
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Only a
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Only a and b
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Only b and c
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Only b
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All a, b and c
D
Correct answer
Explanation
This is the correct option as a disease is a response to environmental factors such as malnutrition, industrial hazards or climate, specific infective agents like worms, protozoans, fungi, bacteria or viruses and inherent defects of the organism such as genetic anomalies.
This is a wrong option as environmental factors such as malnutrition, industrial hazards or climate and inherent defects of the organism such as genetic anomalies are also involved.