Practice Structure of Polynucleotide Chain - 5.1.1 | 5. MOLECULAR BASIS OF INHERITANCE | CBSE 12 Biology
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Structure of Polynucleotide Chain

5.1.1 - Structure of Polynucleotide Chain

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are the three components of a nucleotide?

💡 Hint: Think about what makes up DNA and RNA.

Question 2 Easy

Which two nitrogenous bases are purines?

💡 Hint: Remember their structure—it’s two rings.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the function of phosphodiester bonds in nucleic acids?

Stabilizing the structure
Joining nucleotides
Base pairing

💡 Hint: Consider how nucleotides connect.

Question 2

True or False: RNA contains thymine.

True
False

💡 Hint: Think of the differences between RNA and DNA.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Discuss how the discovery of the double helix structure of DNA has impacted the field of molecular biology.

💡 Hint: Consider the implications for understanding heredity.

Challenge 2 Hard

Design a simple experiment to demonstrate base pairing in DNA.

💡 Hint: Use uracil instead of thymine for RNA.

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Reference links

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