Diseases MCQs with Answers

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Difficulty in breathing while lying down is called Orthopnea.

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The most important vectors (transmission agents) of human disease are fleas, historically responsible for transmitting plague and other devastating diseases.

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HIV can be transmitted through all of these, i.e., blood transfusion, unprotected sexual contact, and sharing contaminated needles.

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The primary symptom of polio is paralysis, caused by the poliovirus attacking the nervous system.

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Polio is caused by a virus, specifically the poliovirus.

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Vector insects are organisms that transmit diseases from one host to another.

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Hepatitis B is more contagious than other hepatitis viruses because it can survive outside the body for up to 7 days and is 50–100 times more infectious than HIV.

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Hemophilia is a hereditary disease in which blood does not clot properly due to a genetic deficiency of clotting factors.

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The correct answer is Asthma, a chronic respiratory condition in which the airways become inflamed, narrowed, and swollen, making breathing difficult.

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Malaria mainly affects the Spleen and Liver.