The DNA is an important topic in the Biology section in MHT CET exam. Practising this topic will increase your score overall and make your conceptual grip on MHT CET exam stronger.
This article gives you a full set of MHT CET PYQs for The DNA with explanations for effective preparation. Practice of MHT CET Biology PYQs including The DNA questions regularly will improve accuracy, speed, and confidence in the MHT CET 2026 exam.
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MHT CET PYQs for The DNA with Solutions
1.
What is the transforming principle in Griffith's experiment?- A protein that transfers genetic information
- A polysaccharide coat present in S-strain bacteria
- A substance that can transfer genetic material from one bacterium to another
- A lipid molecule responsible for bacterial transformation
2.
If adenine constitutes 30% of the bases in a DNA molecule, what percentage of the bases is guanine ?- 30%
- 40%
- 20%
- 25%
3.
What is the transforming principle in Griffith's experiment?- A protein that transfers genetic information.
- A polysaccharide coat present in S-strain bacteria.
- A substance that can transfer genetic material from one bacterium to another.
- A lipid molecule responsible for bacterial transformation.
4.
Who discovered DNA?- Watson and Crick
- F. Miescher
- Rosalind Franklin
- Griffith
5.
Which of the following is a characteristic symptom of Down syndrome?- Abnormal growth of hair.
- Heart murmurs.
- Skin rash.
- Eye color changes.
6.
According to Chargaff's Rule, in a DNA molecule, the amount of adenine (A) is always equal to the amount of ______.- Cytosine (C)
- Guanine (G)
- Thymine (T)
- Uracil (U)
7.
The two strands of DNA are- Similar and parallel
- Similar but antiparallel
- Complementary and antiparallel
- Complementary and parallel
8.
Which amino acids are histones rich in, facilitating their interaction with DNA ?- Glycine and proline
- Lysine and arginine
- Alanine and serine
- Aspartic acid and glutamic acid
9.
Who first identified the transforming principle ?- Oswald Avery
- Frederick Griffith
- James Watson
- Rosalind Franklin
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