NEET Biology: Biotechnology Practice Questions

15 questions with answers and step-by-step solutions. Tap any question to see the full worked solution.

  1. Q1.
    What is the primary function of DNA ligase in recombinant DNA technology?
    Easy
  2. Q2.
    Which technique is used to separate DNA fragments based on their size?
    Easy
  3. Q3.
    Which of the following is commonly used as a cloning vector in biotechnology?
    Easy
  4. Q4.
    What is the role of the Taq polymerase enzyme in the polymerase chain reaction?
    Easy
  5. Q5.
    Which enzyme is commonly known as molecular scissors in biotechnology?
    Easy
  6. Q6.
    In the process of Agrobacterium-mediated transformation, which part of the Ti plasmid is transferred into the host plant cell?
    Medium
  7. Q7.
    A researcher wants to amplify a specific DNA segment using PCR. If the initial number of DNA molecules is 10, how many molecules will be present after 5 cycles
    Medium
  8. Q8.
    Which of the following is a selectable marker used in the pBR322 plasmid vector?
    Medium
  9. Q9.
    Which technique is primarily used to separate DNA fragments based on their size and charge?
    Medium
  10. Q10.
    In the context of recombinant DNA technology, which of the following enzymes is used to create blunt ends in DNA fragments?
    Medium
  11. Q11.
    Which of the following statements accurately describes the function of the Taq polymerase enzyme during the extension phase of PCR?
    Hard
  12. Q12.
    In the production of recombinant human insulin, the A and B polypeptide chains are produced separately in E. coli. What is the final step required to form the f
    Hard
  13. Q13.
    In the process of RNA interference (RNAi) used for silencing genes in nematodes, what is the role of the enzyme Dicer?
    Hard
  14. Q14.
    Consider a cloning vector with two antibiotic resistance genes, Ampicillin (AmpR) and Tetracycline (TetR). If a foreign DNA fragment is inserted into the BamHI
    Hard
  15. Q15.
    In the context of Ti plasmid-mediated gene transfer, which specific region is essential for the transfer of T-DNA into the plant cell nucleus, and what is its p
    Hard

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Biotechnology — NEET Biology Practice Questions with Solutions | SolveGini