DNA Multiple Choice Questions with Answers – PDF Download

MCQ 1: Maurice Wilkins and Rosalind Franklin determine the structure of DNA using a technique called:

1. X-ray Diffraction
2. X-ray Refraction
3. X-ray Reflection
4. Y-ray Refraction

MCQ 2: Retroviruses can convert a single-stranded RNA genome into double-stranded viral DNA by a special enzyme:

1. Transcriptase
2. Reverse transcriptase
3. Auto Transcriptase
4. Catalase

MCQ 3: A chromosome is composed of a DNA and:

1. lipids
2. proteins
3. gene
4. sugars

MCQ 4: If viral DNA is detached from the host's chromosome, it leads to the beginning of the lytic cycle called:

1. invasion
2. development
3. induction
4. convection

MCQ 5: The two strands of DNA is a double helix structure, coiled with each other as:

1. parallel
2. anti parallel
3. opposite
4. connected