SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

Viroids have

a)

ssRNA not enclosed by protein coat

b)

ssDNA not enclosed by protein coat

c)

dsDNA enclosed by protein coat

d)

dsRNA enclosed by protein coat


Question ID - 71 :-

Viroids have

a)

ssRNA not enclosed by protein coat

b)

ssDNA not enclosed by protein coat

c)

dsDNA enclosed by protein coat

d)

dsRNA enclosed by protein coat

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)

Viroids are small, single stranded, circular RNA molecules not enclosed by protein coat. They were discovered by T O Diener in 1971. Viroid replication requires host encoded RNA polymerase.



Next Question :

Which one of the following organisms is scientifically incorrectly named and incorrectly described

a)

Plasmodium falciparum-A protozoan pathogen causing the most serious type of malaria

b)

Trypanosoma gambiense-The parasite of sleeping sickness

c)

Diatoms-Very good pollution indicators

d)

Noctiluca-A Chrysophyte, which shows bioluminescence


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