NEET UG · Biology · Biotechnology: Principles and Processes
Origin of Replication (ori)
NEET asked Origin of Replication (ori) 4 times, in 2020, 2024 and 2026: 4 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to Cloning Vectors, in Biotechnology: Principles and Processes (Biology). The longest wait between two papers asking it was 4 years.
Updated 2026-10-08
- Times asked
- 4
- in 2017–2026
- Papers
- 3
- of 10
- First asked
- 2020
- last in 2026
- Chance next paper
- 11%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2020, 2024 and 2026.
How NEET framed it
Figure-based is the usual form. Skill tested: recall.
- Identify vector feature by function
- Count correct statements on gene transfer
Chance asked next paper 11%
Every question
All 4 questions
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2026 Q180Match List-I with List-II. List-I | List-II A. Transformation | I. Restriction enzyme B. Cloning site | II. Transfer DNA to host bacteria…Match the lists · Easy
- 2024 Q133What is the fate of a piece of DNA carrying only gene of interest which is transferred into an alien organism? A. The piece of DNA would…Other · Medium
- 2024 Q169The following diagram showing restriction sites in E.coli cloning vector pBR322. Find the role of 'X' and 'Y' genes:Figure-based · Medium · figure
- 2020 Q78The sequence that controls the copy number of the linked DNA in the vector, is termed :One-line MCQ · Easy
Same topic
Other ideas in Cloning Vectors
Cloning Vectors has 12 ideas NEET has asked; 3 of them came up in more than one question.
- Bioreactors3× · 2025
- Ti Plasmid and T-DNA2× · 2024
- Definition of a Plasmidonce · 2026
- Blue-White Screening Outcomesonce · 2025
- Recombinants as White Coloniesonce · 2025
- BAC and YAC Vectorsonce · 2023
- Rationale for Gold/Tungsten in Biolisticsonce · 2023
- Single Recognition Sitesonce · 2022
- PvuI/PstI Site Insertional Inactivationonce · 2021
- Downstream Processingonce · 2017
- Selectable Markersonce · 2017