Home > Class 12 Biology > Quizzes > Class 12 Biology Practice Test: Molecular Basis of Inheritance - Structure of a Polynucleotide Chain
Class 12 Biology Practice Test: Molecular Basis of Inheritance - Structure of a Polynucleotide Chain
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 55% • Most missed: “Which is the correct complementary strand for AGAATTCGC?”
Class 12 Biology Practice Test: Molecular Basis of Inheritance - Structure of a Polynucleotide Chain
Time left 00:00
13 Questions

1. What will the polarity of this strand be?
The figure shows two strands of DNA run antiparallel to each other for effective bonding
2. Which of the following enzymes are used to transcript a portion of the DNA into mRNA?
3. Which of the following ensures the stability of the helical structure of a DNA?
4. What is name of this nitrogenous base?
Thymine is nitrogenous base with presence of methyl group attached to 5th carbon atom
5. What will be the next step in the process of transcription?
DNA -> RNA ->?
6. Who considered DNA as a “Nuclein”?
7. Which of the following is not a part of the nucleotide?
8. Thymine is present in the place of Uracil in DNA.
9. Which is the correct complementary strand for AGAATTCGC?
10. Which of the following occurs in the process of central dogma reverse?
11. Through which among the following linkages are the two nucleotides connected through the 3’-5’ end?
12. Which among the following is the exact ratio of guanine to cytosine in a DNA double helical structure?
13. What is chemical name for thymine known as?

⚡ Recently practiced quizzes in this topic
Live quiz activity
Class 12 Biology Practice Test: Evolution - Evidences for Evolution Class 12 Biology Practice Test: Molecular Basis of Inheritance - DNA Fingerprinting Class 12 Biology Practice Test: Molecular Basis of Inheritance - Methodologies of HGP Class 12 Biology Practice Test: Principles of Inheritance and Variation - Mendel's Laws of Inheritance MCQs for Human Reproduction Class 12 Biology Practice Test: Environmental Issues - Radioactive Wastes Class 12 Biology Practice Test: Molecular Basis of Inheritance - The Machinery and the Enzymes for Replication of DNA Class 12 Biology Practice Test: Organisms and Populations - Population Growth Class 12 Biology Practice Test: Biodiversity and Conservation - Importance of Species Diversity to the Ecosystem Class 12 Biology Practice Test: Molecular Basis of Inheritance - Lac Operon
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.