Viroids have
Double stranded $RNA$ encolsed by protein coat
Double stranded $DNA$ encolsed by protein coat
Single stranded $DNA$ not encolsed by protein coat
Single stranded $RNA $ not encolosed by protein coat
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.
Which is the largest known fossil of reptile
Which of the following relates to the determination of age of the tree by counting the number of annual rings