29 verified questions · ~26 minutes · answer key checked against the official NTA final key across multiple sources. Text-only questions (diagram-based excluded until they can be shown properly).
If one strand of a DNA has the sequence ATGCTTCA, sequence of the bases in complementary strand is :
In acidic medium, K₂Cr₂O₇ shows oxidising action as represented in the half reaction Cr₂O₇²⁻ + X H⁺ + Y e⁻ → 2 A + Z H₂O X, Y, Z and A are respectively are :
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