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Question

Assertion :All pathogens are parasites but all parasites are not pathogens. Reason: Majority of the parasites confer benefits to the host.


A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
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C
Assertion is correct but Reason is incorrect.
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D
Both Assertion and Reason are incorrect.
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Solution

The correct option is C Assertion is correct but Reason is incorrect.
Parasitism is a relationship between two living organisms of different species in which one organism called parasite obtains its food directly from another living organism called host.
Majority of the parasites harm the host; they may reduce the survival, growth and reproduction of the host and reduce its population density.
Pathogens are disease-causing microorganisms which get benefit by causing harm to host organism. Pathogens such as viruses, bacteria, fungi, protozoans, helminths, insects etc., reproduce or multiply inside the host organism and therefore, they get the opportunity to complete the life cycle and spread their population.

Biology

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