← Back to quiz index
Molecular Basis of Inheritance Quiz
Class XII
Biology
Molecular Basis of Inheritance
15 questions
HARD
Ready to take the quiz?
Test takers will enter name and email before starting.
Preview questions
1. What is the basic unit of heredity?
Chromosome · Gene · DNA · RNA
2. Which enzyme is responsible for unwinding the DNA double helix during replication?
DNA polymerase · Helicase · Ligase · Primase
3. What type of bond holds the two strands of DNA together?
Ionic bond · Covalent bond · Hydrogen bond · Peptide bond
4. Which of the following is NOT a component of a nucleotide?
Phosphate group · Pentose sugar · Nitrogenous base · Amino acid
5. What is the function of RNA polymerase?
Synthesize DNA · Synthesize RNA · Repair DNA · Unwind DNA
Related quizzes
View all BiologyClass XIIBiologyEASY
Strategies for Enhancement in Food Production - Class XII Biology Quiz
Strategies for Enhancement in Food Production
Class XIIBiologyMEDIUM
Microbes in Human Welfare Quiz
Microbes in Human Welfare
Class XIIBiologyMEDIUM
Biodiversity and Conservation Quiz
Biodiversity and Conservation
Class XIIBiologyHARD
Microbes in Human Welfare - Class XII Biology Quiz
Microbes in Human Welfare
Class XIIBiologyMEDIUM
Microbes in Human Welfare - Quiz
Microbes in Human Welfare
Class XIIBiologyEASY
Reproductive Health Quiz
Reproductive Health