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DNA Extraction Methods (Organic, Chelex, Magnetic Bead, FTA Paper): Application (UGC-NET Unit III)
Questions
30
Duration
30 min
Faculty-reviewed
0
Updated
17 May 2026
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Questions
30
Duration
30 min
Faculty-reviewed
0
Updated
17 May 2026
Score, per-question explanations and topic breakdown shown right after you submit.
UGC-NET Forensic Science Unit III drill on DNA extraction at the application band. Scenarios cover organic phenol-chloroform-isoamyl extraction with proteinase K and SDS lysis, Chelex 100 chelation chemistry, silica-coated paramagnetic bead workflows (PrepFiler, DNA IQ) on automated platforms (Qiagen EZ1, QIAcube), Whatman FTA card storage and punch processing, the Gill and Werrett differential extraction for mixed sexual-assault stains with DTT release of sperm DNA, ethanol-isopropanol precipitation, and qPCR quantitation with Quantifiler Trio and Plexor HY. Sample-type matching covers buccal swabs, bloodstains, low-template touch DNA, old skeletal remains, and inhibitor-laden specimens. Indian context covers CFSL DNA divisions running EZ1 Advanced XL automation.
Questions are written and edited by the ForensicSpot team and cited from peer-reviewed forensic textbooks, official syllabi and primary case law. Each one is verified before publishing. Detailed explanations show after you submit, so the test stays a real test. See a mistake? Tell us.