← Back to quiz index

Molecular Basis of Inheritance - Class XII Biology Quiz

Class XII
Biology
Molecular Basis of Inheritance
11 questions
MEDIUM

Ready to take the quiz?

Test takers will enter name and email before starting.

Start quiz

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