Biotechnology: Principles and Processes
48 NEET Zoology previous year questions (PYQs) from 8 papers, 2021 to 2026, with answers and worked solutions.
About this chapter
- Difficulty: 13 easy · 32 moderate · 3 hard.
- Most-asked subtopics: Gel Electrophoresis (3), Polymerase Chain Reaction (PCR) (2), Selectable Markers - Insertional Inactivation (2).
- Updated 17 July 2026.
#1DNA Structure
#2Restriction Enzymes
#3Gene Regulation - lac operon
#4Semiconservative DNA Replication
#5Gene Mapping - Recombination Frequency
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#6Cloning Vectors
#7DNA Structure - Chargaff's Rule
#8Types of RNA
#9Transcription in Prokaryotes
#10Polymerase Chain Reaction (PCR)
#11Restriction Enzymes - Palindromic Sequences
#12DNA Packaging - Histones
#13Biomolecules - Lipids
#14Genetic Code - Codons
#15Cloning Vectors (Origin of Replication)
#16Gel Electrophoresis
#17Restriction Enzymes and rDNA
#18Cloning vectors (pBR322)
#19Restriction enzymes (EcoRI)
#20Polymerase Chain Reaction (PCR)
#21Restriction enzyme - recognition sequence
#22Fate of gene of interest
#23Somatic hybridization - protoplast fusion
#24Bioreactors
#25Cloning vectors
- NEET · 2024 · NEET (UG) 2024 — 05 May 2024 · Q181ModerateHas image
#26Cloning vectors - pBR322
#27Gene Transfer Methods (Biolistics)
#28Gel Electrophoresis
#29Isolation of Genetic Material
#30Steps in Recombinant DNA Technology
#31Cloning vectors
#32Bt toxin - crystal protein activation
#33PCR - annealing step
#34Plasmids as cloning vectors
#35Isolation of genetic material - cell disruption
#36Cloning vector features - matching
#37Tools of Recombinant DNA Technology
#38Polymerase Chain Reaction
#39Somatic Hybridisation
#40Restriction Endonucleases
#41DNA Separation and Visualization
#42Cloning vectors - pBR322 selectable markers
#43PCR Amplification
- NEET · 2025 · NEET (UG) 2025 — 04 May 2025 · Q115ModerateHas image
#44Selectable Markers - Insertional Inactivation
- NEET · 2025 · NEET (UG) 2025 — 04 May 2025 · Q126ModerateHas image
#45Bioreactor Components
#46Gel Electrophoresis
#47Enzymes in Gene Cloning
#48Selectable Markers - Insertional Inactivation