Upon exposure to UV radiation, DNA stained with ethidium bromide will show

1. Bright orange colour

2. Bright red colour

3. Bright blue colour

4. Bright yellow colour

Doubtly Asked 30 Oct 2026 NEET UG 2023 Practice test neet Save WhatsApp Report

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Answer: 1. Bright orange colour

Key idea: DNA stained with ethidium bromide and exposed to UV light fluoresces as bright orange bands.

This is how DNA fragments are seen after agarose gel electrophoresis.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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