Viroids have

  • [AIEEE 2004]
  • A

    Double stranded $RNA$ encolsed by protein coat

  • B

    Double stranded $DNA$ encolsed by protein coat

  • C

    Single stranded $DNA$ not encolsed by protein coat

  • D

    Single stranded $RNA $ not encolosed by protein coat

Similar Questions

The present concept of evolution is known as

Assertion : The earliest fossil form in the phylogeny of horse is eohippus.

Reason : Eohippus lived during the early pliocene epoch.

  • [AIIMS 2007]

Which is the largest known fossil of reptile

Prototherians have evolved from

Which of the following relates to the determination of age of the tree by counting the number of annual rings

  • [AIIMS 1992]