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Assertion: TMV is a virus which causes mosaic disease. Reason: TMV has RNA as genetic material.

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Assertion: TMV is a virus which causes mosaic disease.
Reason: TMV has RNA as genetic material.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reson is false.
D. If both assertion and reason are false.
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Correct Answer - B
In TMV, the chromosome consists of single stranded, linear RNA molecule coiled into a regular spiral. TMV causes mosaic disease in tobacco and some other plants.
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