CBSE 2022 · Region 5 · Set 3 · Q11 · 3 marks
Non viral and non vector methods are sometimes used to transfer genes or alien DNA into a plant cell. Explain one such method used in genetic engineering.
Marking-scheme solution
Biolistics/Gene gun
Microparticles of gold or tungsten coated with DNA, bombarded with high
velocity into plant cellBiotechnology : Principles and ProcessesProcesses of Recombinant DNA TechnologyUnderstandshort_answermedium
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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.