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Biotechnology: Principles and Processes Quiz

Class XII
Biology
Biotechnology: Principles and Processes
12 questions
HARD

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1. Which of the following is a technique used for the transfer of DNA into a plant cell?

Electroporation · Microinjection · Agrobacterium-mediated transformation · Sonoporation

2. What is the primary purpose of using restriction enzymes in biotechnology?

To amplify DNA · To cut DNA at specific sequences · To ligate DNA fragments · To synthesize RNA

3. Which of the following vectors is commonly used in cloning?

Plasmids · Viruses · Bacteriophages · All of the above

4. What is the role of ligase in recombinant DNA technology?

To cut DNA · To synthesize RNA · To join DNA fragments · To replicate DNA

5. Which method is used to separate DNA fragments based on size?

PCR · Gel electrophoresis · DNA sequencing · Cloning