What was the contribution of the scientist $T$. $O$. Diener in $1971$?

  • A
    Discovery of viruses
  • B
    Discovery of viroids
  • C
    Discovery of prions
  • D
    Discovery of lichens

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Similar Questions

Helotism is a term used for the symbiosis of

Match Column-$I$ with Column-$II$ and select the correct option.
Column-$I$Column-$II$
$(A)$ Tobacco Mosaic Virus$(p)$ Human
$(B)$ Potato Spindle Tuber Disease$(q)$ Bacterial Virus
$(C)$ Alzheimer's Disease$(r)$ Plant Virus
$(D)$ Bacteriophage$(s)$ Tobacco
$(E)$ Polio Virus$(t)$ Potato
$(u)$ Animal Virus

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

Identify the microorganism shown in the given figure.

$A$ : Viroids are not included in the five-kingdom system.
$R$ : They are non-cellular.

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