CUET · BIOLOGY · PYQ PAPER 2025
Identify the correct sequence of events for the technique of DNA fingerprinting.
(A) Hybridization using labelled VNTR probe, followed by detection of hybridized DNA fragments by autoradiography
(B) Transfer of separated DNA fragments to synthetic membranes, such as nitrocellulose or nylon
(C) Isolation and digestion of DNA by restriction endonucleases
(D) Separation of DNA fragments by electrophoresis
Choose the correct answer from the options given below:
- A (A), (B), (C), (D)
- B (C), (D), (B), (A)
- C (Β), (A), (D), (C)
- D (C), (B), (D), (A)
Answer & Solution
Correct Answer
(B) (C), (D), (B), (A)
Step-by-step Solution
Detailed explanation
(C), (D), (B), (A)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from BIOLOGY
- Arrange the given steps of 'Recombinant DNA Technology' in correct sequence.
A. Transfer of recombinant plasmid into host cell for cloning.
B. Ligation of desired DNA to plasmid.
C. Selection of desired DNA and plasmid.
D. Cutting of desired DNA and plasmid using same restriction enzyme.
Choose the correct answer from the options given below:CUET 2023 Easy - Observe the figure and answer the question (Q46-50):

Number of nitrogenous bases common between RNA and DNA is:CUET 2023 Medium - Match List-I with List-II
Choose the correct answer from the options given below:List-I (Geological periods) List-II (Plants evolved) (A) Devonian (I) Gnetales (B) Carboniferous (II) Cycads (C) Jurassic (III) Seed ferns (D) Cretaceous (IV) Progymnopserms CUET 2025 Easy - Flower colour in Antirrhinum sp. is an example of:CUET 2023 Medium
- Match List I with List II.
Choose the correct answer from the options given below:LIST I LIST II A. Green Revolution I. Corrective therapy of hereditary disease B. Gene therapy II. Increased yield and better management of improved crop varieties C. Genetic Engineering Approval Committee III. Mass production of safe and more effective therapeutics D. Recombinant DNA techonologies IV. Make decision to introduce GM organism for public service CUET 2023 Easy - Match List - I with List - II.
List - I List - II (A) RNA Polymerase II (II) hn RNA (B) RNA Polymerase I (I) 28 srRNA (C) Ribosome (III) 5 srRNA (D) RNA Polymerase III (IV) 23 srRNA in bacteria
Choose the correct answer from the options given below :CUET 2023 Hard
More PYQs from CUET
- Match List-I with List-II with their boiling points
Choose the correct answer from the options given below:LIST – I (Compound name) LIST – II (Boiling point) (A) \(CH _3 CH _2 OH\) (I) 373K (B) \(CH _3 OCH _3\) (II) 348K (C) \(H _2 O\) (III) 351K (D) \(CH _3 CH _2 OCH _2 CH _3\) (IV) 248K CUET 2025 Hard - Match List - I with List - II.
Choose the correct answer from the options given below:List - I (Organism) List - II (Sex chromosomes) (A) Male grasshopper (I) XY (B) Male Drosophila (II) ZX (C) Female bird (III) XX (D) Female grasshopper (IV) XO (V) ZW CUET 2023 Easy - Particular solution of the differential equation \(\log \left(\frac{d y}{d x}\right)=x+y\) given that when x = 0 y = 0 is:CUET 2023 Medium
- Tropics have greater biodiversity because:CUET 2025 Hard
- Reduction of nitrobenzene by which of the following reagent does not give aniline?CUET 2025 Hard
- Transcription is the process of copying genetic information from one strand of -CUET 2023 Easy