Question

RNA is the genetic material in
(A) Prokaryotes
(B) Eukaryotes
(C) Tobacco Mosaic virus (TMV)
(D) E.coli

Answer 1

Hint: This RNA enclosing organism most often affects a wide range of the plants especially the tobacco plant and other members of the family Solanaceae.

Complete answer:
Option A- Prokaryotes
Most of all prokaryotes contain a small amount of the genetic material in a single molecule, a chromosome, or a DNA molecule. These are typically haploid so the DNA is enclosed in the single circular chromosome.

Option B- Eukaryotes
All the Eukaryotes have DNA as their genetic material which controls all the cellular activities of the cell. Eukaryotes are diploid and the DNA is organized into the multiple linear chromosomes and found in the nucleus.

Option C- Tobacco Mosaic Virus (TMV)
The tobacco Mosaic virus genome consists of the single-stranded RNA (ssRNA) which is 6400 bases long. The RNA is protected by a coat protein from cellular degradation.

Option D- E.coli
The Escherichia coli chromosome or the nucleoid is made up of DNA, RNA, and proteins. The genome is made up of condensation and functional positioning of single chromosomal DNA with help of the proteins and Also with the RNA molecules and DNA molecules by supercoiling.

Thus, the correct or suitable option is C.

Note: The genetic material of most plant viruses is RNA. TMV contains RNA as its genome. RNA is positive-sense single-stranded which affects the plants (eg: Tobacco) by making a characteristic pattern such as "mosaic" like discoloration of the leaves that's why it is known as Tobacco Mosaic Virus (TMV).