Question

Viroids differ from viruses in having 

(a) DNA molecules with protein coat 

(b) DNA molecules without protein coat 

(c) RNA molecules with protein coat 

(d) RNA molecules without protein coat

Answer 1

Correct option is (d) RNA molecules without protein coat 5

Viroids differ from viruses in having RNA molecules without protein coat. Viruses on the other hand possess DNA or RNA with a protein coat as their genetic material. Viruses can infect a wide range of organisms including plants, animals or bacteria, while viroids infect only plants.