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CBSE Class 12 Molecular Basis of Inheritance Quiz

Test your knowledge of the molecular basis of inheritance in CBSE Class 12 with this quiz. Explore the concepts of genes, DNA, and RNA in the transmission of hereditary traits across organisms.

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Questions and Answers

What are the two types of molecules that govern inheritance?

Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA)

Why does DNA act as the genetic material in almost all organisms?

It is a more stable molecule compared to RNA

In which organisms does RNA act as the genetic material?

Some viruses

Why were the nature of the molecules governing inheritance discovered later?

<p>With the development of various scientific techniques</p> Signup and view all the answers

What did Mendel term as the molecules that govern inheritance?

<p>Factors</p> Signup and view all the answers

What are the roles of DNA and RNA in inheritance?

<p>DNA acts as the genetic material in almost all organisms, while RNA acts as the messenger molecule.</p> Signup and view all the answers

Why is DNA considered the genetic material in most organisms?

<p>DNA is more stable compared to RNA, which makes it the more suitable molecule for long-term storage of genetic information.</p> Signup and view all the answers

In what organisms does RNA function as the genetic material?

<p>RNA functions as the genetic material in some viruses.</p> Signup and view all the answers

What did Mendel term as 'factors' that transmit inheritance?

<p>Mendel termed the molecules that transmit inheritance as 'factors'.</p> Signup and view all the answers

Why did DNA evolve as the genetic material of almost all organisms?

<p>DNA is a more stable molecule compared to RNA, making it better suited for long-term storage of genetic information.</p> Signup and view all the answers

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