CBSE 2022 · Region 3 · Set 3 · Q9 · 3 marks
(a)Given below is the stepwise schematic representation of the process of electrophoresis. Identify the 'alphabets' representing (i) Anode end(ii)smallest/lightest DNA strand in the matrix (iii) Agarose gel
(b)What is elution ? State the importance of elution in this process.
(a)
Given below is the stepwise schematic representation of the process of electrophoresis. Identify the 'alphabets' representing (i) Anode end
(ii)
smallest/lightest DNA strand in the matrix (iii) Agarose gel
(b)
What is elution ? State the importance of elution in this process.
Marking-scheme solution
(i)
S (ii) R (iii) T
(b)
● Process of cutting of separated bands of DNA , and extracting from the agarose gel. - Purified DNA is used in rDNA technology / genetic experiments.
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CBSE Class 12 Biology past-paper question from the 2022board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.