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Identify the infections agent on the bas...

Identify the infections agent on the basis of give information-
* Discovered T.O. Diener
* Smaller than viruses
* Low molecular weight RNA
* Absence of protein coat

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The correct Answer is:
Viroids
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Read the given statements that describe certain infectious particle. (i) It was discovered T.O. Diener and was found to be smaller than viruses. (ii) It causes potato spindle tuber disease. (iii) It is a free RNA particle which lacks the protein coat. (iv) It has low molecular weight RNA as genetic material. Which of the following is referred to here?

Identify the correct match of the scientist and their discovery: (a) T.H. Diener : An agent consisting of abnormally folded protein (b) W.M. Stanley : Crystals from viruses contain proteins. (c) M.W. Beijernick : Recognised TMV (d) Ivanowsky : Contagium vivum fluidum

ALLEN-DIVERSITY OF THE LIVING WORLD-Exercise
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  3. Identify the infections agent on the basis of give information- * Di...

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  4. The causative agent of potato spindle tuber disease is composed of

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  12. Identify the given figure with A,B,C & D:- .

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  13. Identify the given figures A,B,C:-

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  15. Study the followig table and identify (i) (ii) & (iii):-

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  16. Poophyra & dictyota are belonged to which algal class respectively

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