Q6. Which enzyme is used to join DNA fragments during recombinant DNA technology?
- A. Restriction enzyme
- B. DNA polymerase
- C. DNA ligase
- D. Helicase
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This page provides a free online MCQ test for NEET Biology preparation, focusing specifically on the chapter Biotechnology Principles and Processes. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.
Key concepts covered in this specific test include Following, Statements, Incorrect, Restriction, Selectable, and Recombinant.
Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.
Which of the following statements about PCR is incorrect?
PCR is used to amplify DNA sequences.
PCR requires thermostable DNA polymerase.
PCR involves three main steps: denaturation, annealing, and extension.
PCR is used to cut DNA at specific sites.
Which of the following statements about restriction enzymes is incorrect?
Restriction enzymes recognize specific DNA sequences.
All restriction enzymes produce sticky ends.
Restriction enzymes are used in recombinant DNA technology.
Restriction enzymes are derived from bacteria.
Which of the following statements about cloning vectors is incorrect?
Cloning vectors contain an origin of replication.
Cloning vectors lack selectable markers.
Cloning vectors are used to carry foreign DNA.
Cloning vectors can replicate independently inside host cells.
Which of the following statements about selectable markers is incorrect?
Selectable markers help distinguish transformed cells.
Selectable markers include antibiotic resistance genes.
Selectable markers inhibit bacterial growth.
Selectable markers help identify recombinant plasmids.
Which of the following statements about recombinant DNA technology is correct?
It involves the random mixing of genes
It allows insertion of specific genes into a host
It uses only bacterial cells as hosts
It does not involve any enzymes
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