Assertion : TMV is a virus which causes mosai | vedclass

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Question

(B) The Assertion is correct because $TMV$ (Tobacco Mosaic Virus) is indeed the causative agent of mosaic disease in tobacco plants.The Reason is also

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If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

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(B) The Assertion is correct because $TMV$ (Tobacco Mosaic Virus) is indeed the causative agent of mosaic disease in tobacco plants.The Reason is also correct because the genetic material of $TMV$ is a single-stranded $RNA$ molecule.However,the fact that $TMV$ has $RNA$ as its genetic material does not explain why it causes mosaic disease; these are two independent biological facts about the virus. Therefore,the Reason is not the correct explanation of the Assertion.

Column $I$	Column $II$
$(A)$ $DJ$ Ivanowsky	$(i)$ Viroids
$(B)$ $MW$ Beijerinck	$(ii)$ Crystallised virus
$(C)$ $WM$ Stanley	$(iii)$ Contagium vivum fluidum
$(D)$ $TO$ Diener	$(iv)$ Mosaic disease of tobacco

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

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Match the following columns.

Column $I$ Column $II$

$(A)$ $DJ$ Ivanowsky $(i)$ Viroids

$(B)$ $MW$ Beijerinck $(ii)$ Crystallised virus

$(C)$ $WM$ Stanley $(iii)$ Contagium vivum fluidum

$(D)$ $TO$ Diener $(iv)$ Mosaic disease of tobacco

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