RNA World MCQ - Practice Questions with Answers

Read the following statements and choose the ones favouring RNA to be the genetic world in primitive organisms:

1. RNA is stable and rarely undergo catalytic reactions
2. RNA is reactive and catalytic which allowed the evolution of DNA from RNA
3. RNA still serves as genetic material in some viruses
4. RNA has no role in carrying the genetic information forward in higher organisms.
    

 Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria?

Select the correct match:

In tobacco mosaic virus and QB bacteriophage like organism, the genetic material is 

T.O. Diener discovered a:

Which of the following statements are incorrect:

1. RNA act a genetic material as well as a catalyst
2. RNA is more stable than DNA
3. RNA has evolved from DNA

The first genetic material could be:

Rhinoviruses are the causative agents of