Biotechnology : Principles and Processes
Mizoram Board · Class 12 · Biology
Practice quiz for Biotechnology : Principles and Processes — Mizoram Board Class 12 Biology. MCQs and questions with answers to test your preparation.
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What is the full form of EFB in the context of biotechnology?
What are enzymes that cut DNA at specific sequences called?
What does the 'ori' sequence in a vector represent?
Which scientist duo created the first recombinant DNA in 1972?
Sample Questions
Which of the following are core techniques of modern biotechnology?
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Genetic engineering, Bioprocess engineering
The two core techniques that enabled modern biotechnology are genetic engineering (altering DNA and RNA chemistry) and bioprocess engineering (maintaining sterile conditions for desired organism growth).
The first restriction enzyme isolated was HindII in 1963.
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False
False. While restriction enzymes were first discovered in 1963, HindII was isolated and characterized five years later. The first restriction endonuclease HindII was isolated in 1968.
Which of the following are characteristics of palindromic sequences in DNA?
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Read the same in both directions, Recognized by restriction enzymes, Create sticky ends when cut
Palindromic sequences read the same on both strands in the same direction (5' to 3'), are recognized by restriction enzymes, and when cut, create sticky ends that facilitate ligation.
What technique is used to separate DNA fragments based on their size?
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Gel electrophoresis
Gel electrophoresis separates DNA fragments based on their size. Smaller fragments move farther through the gel matrix under an electric field due to the sieving effect.
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