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Molecular Basis of Inheritance Quiz
Class XII
Biology
Molecular Basis of Inheritance
15 questions
HARD
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Preview questions
1. What is the basic unit of heredity?
Chromosome · Gene · DNA · RNA
2. Which of the following is not a component of DNA?
Adenine · Uracil · Cytosine · Thymine
3. What type of bond holds the two strands of DNA together?
Ionic bonds · Hydrogen bonds · Covalent bonds · Peptide bonds
4. Which enzyme is responsible for unwinding the DNA double helix?
DNA polymerase · Helicase · Ligase · Primase
5. What is the function of RNA polymerase in transcription?
Unwinds DNA · Synthesizes RNA · Replicates DNA · Joins Okazaki fragments
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