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Molecular Basis of Inheritance - Class XII Biology Quiz
Class XII
Biology
Molecular Basis of Inheritance
11 questions
MEDIUM
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Preview questions
1. What is the basic unit of heredity?
Chromosome · Gene · DNA · RNA
2. Which of the following is a double-stranded helical structure?
RNA · DNA · Protein · Carbohydrate
3. Who proposed the double helix model of DNA?
Watson and Crick · Franklin and Wilkins · Mendel · Hershey and Chase
4. Which nitrogenous base is not found in RNA?
Adenine · Thymine · Cytosine · Guanine
5. What type of bond holds the two strands of DNA together?
Ionic bonds · Covalent bonds · Hydrogen bonds · Peptide bonds
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