EASY
12th CBSE
IMPORTANT
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What is plasmid?

Important Questions on Biotechnology : Principles and Processes

MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 11 - Biotechnology : Principles and Processes>SELF-ASSESSMENT TEST>Q 4
Why is Taq polymerase preferred in PCR?
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 11 - Biotechnology : Principles and Processes>SELF-ASSESSMENT TEST>Q 5
Why are restriction endonucleases known as molecular scissors?
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 11 - Biotechnology : Principles and Processes>SELF-ASSESSMENT TEST>Q 5
Give the palindromic sequence recognized by EcoRI.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 11 - Biotechnology : Principles and Processes>SELF-ASSESSMENT TEST>Q 6
Differentiate between plasmid DNA and chromosomal DNA.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 11 - Biotechnology : Principles and Processes>SELF-ASSESSMENT TEST>Q 7

Name the type of bioreactor shown. Write the purpose for which it is used.

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MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 11 - Biotechnology : Principles and Processes>SELF-ASSESSMENT TEST>Q 8

Draw a schematic diagram of the E. coli cloning vector pBR322 and mark the following in it:
 (a) ori (b) rop (c) Ampicillin resistance gene (d)Tetracycline resistance gene

MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 11 - Biotechnology : Principles and Processes>SELF-ASSESSMENT TEST>Q 9
Name and explain the techniques used in the separation and isolation of DNA fragments to be used in recombinant DNA technology.
 
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 11 - Biotechnology : Principles and Processes>SELF-ASSESSMENT TEST>Q 10
How are the DNA fragments separated by gel electrophoresis visualized and separated for use in constructing recombinant DNA?