MCQBiology

MP Board · Class 12 · Biology · Biotechnology: Principles and ProcessesThe staining dye used to visualize DNA fragments in an agarose gel under UV light is:

Step-by-Step Solution

Ethidium bromide is the fluorescent dye commonly used to stain nucleic acids in agarose gels, which allows DNA fragments to be visualized under ultraviolet (UV) light as orange-colored bands.

Detailed Options Breakdown
Option : Acetocarmine

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biotechnology: Principles and Processes.

Option 1: Methylene blue

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biotechnology: Principles and Processes.

Option 2: Ethidium bromide (Correct Answer)

Correct choice. Refer to the step-by-step verified solution guidelines above for details.

Option 3: Safranin

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biotechnology: Principles and Processes.

💡 Study Guide: This question tests core syllabus concepts from Biotechnology: Principles and Processes. For formulas, key summaries, and mock exam reference guides, read the full Biotechnology: Principles and Processes Revision Notes.
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