DNA Structure Multiple Choice Questions with Answers – PDF Download

MCQ 1: Considering the Deoxyribonucleic Acid (DNA) structure, the backbone outside the double helix is made up of:

1. sugar and nitrogen
2. nitrogen and carbon
3. phosphate and sugar
4. phosphate and nitrogen

MCQ 2: Considering the Deoxyribonucleic Acid (DNA) structure, the inside basis of the double helix is made up of:

1. nitrogen
2. oxygen
3. phosphorus
4. magnesium

MCQ 3: The Deoxyribonucleic Acid (DNA) structure was proposed in:

1. 1949
2. 1963
3. 1958
4. 1953

MCQ 4: The scientists who proposed the Deoxyribonucleic Acid (DNA) structures are:

1. Francis crick and James Watson
2. James crick and Francis Watson
3. Marie curie and Niels Bohr
4. Nikola tesla and Marie curie

MCQ 5: The sequence of amino acids (R-CH(NH₂)-COOH) of Deoxyribonucleic Acid (DNA) is controlled by the sequence of:

1. dominant proteins
2. nucleosomes
3. nucleotides
4. chromatin