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Biology · 2026 · 2 marks
Biotechnology : Principles and ProcessesProcesses of Recombinant DNA Technology2 marksUnderstandvery short answer
CBSE 2026 · Region 2 · Set 1 · Q18
How do scientists use microinjection and gene gun in biotechnology?
How do scientists use microinjection and gene gun in biotechnology ?
Marking-scheme solution
$\displaystyle \star$ Microinjection: Recombinant DNA is directly injected into the nucleus of an animal cell.
$\displaystyle \star$ Gene gun: Plant cells are bombarded with high velocity micro particles of gold or tungsten coated with DNA.
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CBSE Class 12 Biology past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.