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Immunoassays in Forensic Science: ELISA, RIA, FPIA, Lateral Flow and Case Analysis (UGC-NET Unit II)
Questions
30
Duration
30 min
Faculty-reviewed
0
Updated
17 May 2026
Practice with national-level exam (FACT, FACT Plus, NET, CUET, etc.) mocks, learn from structured notes, and get your doubts solved in one place.
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 Paper II Unit II hard-band drill on advanced immunoassay theory and forensic casework: the molecular basis of antigen-antibody binding, monoclonal versus polyclonal antibody selection, the four major label chemistries (radioactive RIA, enzymatic ELISA and EMIT, fluorescent FPIA, chemiluminescent CLIA), competitive and sandwich formats, sensitivity and specificity trade-offs, and the cross-reactivity matrices that govern false positives in drugs-of-abuse screening. Each question walks the student through a casework scenario, a SAMHSA Mandatory Guidelines cut-off, or a cross-reacting compound (poppy-seed morphine for opiates, dextromethorphan for PCP, Vicks l-methamphetamine for amphetamine, NSAIDs and pseudoephedrine for structural mimics) and tests the confirmatory analysis requirement under SAMHSA, ASB / SOFT, and the NDPS Act analytical chain.
Designed for UGC-NET Paper II aspirants, NFSU MSc Forensic Science students, and FACT candidates revising serology and toxicology immunoassays. Hard-band distractors differ from the correct answer on a single subsection, a single numerical cut-off, or a single mechanistic step, so the student must know the precise SAMHSA threshold, the specific antibody cross-reactivity, and the right confirmatory technique rather than the broad concept.
Topics covered:
Calibrated for serious UGC-NET preparation in the run-up to the next cycle and aligned with the current Paper II Unit II syllabus references to immunological techniques, serology, and forensic toxicology.
Allow 30 minutes.
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.