Assertion :The biological effects of ingested radionuclides depend greatly on the activity, the bio-distribution, and the removal rates of the radionuclide, which in turn depends on its chemical form, the particle size, and route of entry. Reason: Radioactive contamination can be ingested into the human body if it is airborne or is taken in as contamination of food or drink, and will irradiate the body internally.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
B
The chemical properties of the radio nucleus are different. So the biological effects of the ingested radionuclides effects depends on several factors activity, bio-distribution, removal rate, chemical form, particles size etc.

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