MEDIUM
12th CBSE
IMPORTANT
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Biolistics (gene gun) is suitable for 

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Important Questions on Biotechnology: Principles and Processes

MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 11 - Biotechnology: Principles and Processes>TEST QUESTIONS>Q (19)

DNA parts which can switch their positions are 

MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 11 - Biotechnology: Principles and Processes>TEST QUESTIONS>Q (20)
In a genetic engineering experiment, restriction enzymes can be used for  
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 11 - Biotechnology: Principles and Processes>TEST QUESTIONS>Q (21)
The usual source of restriction endonucleases used in gene cloning is 
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 11 - Biotechnology: Principles and Processes>TEST QUESTIONS>Q (22)
Restriction enzyme EcoRI cuts the DNA between bases G and A only when the sequence in DNA is
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 11 - Biotechnology: Principles and Processes>TEST QUESTIONS>Q (23)

The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents 

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MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 11 - Biotechnology: Principles and Processes>TEST QUESTIONS>Q (24)
_____ is a globular protein of 6 kDa consisting of 51 amino acids, arranged in 2 polypeptide chains held together by a disulphide bridge. 
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 11 - Biotechnology: Principles and Processes>TEST QUESTIONS>Q (25)
Which one is a true statement regarding DNA polymerase used in PCR.
EASY
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 11 - Biotechnology: Principles and Processes>TEST QUESTIONS>Q (26)
EcoRI cleaves the DNA strands to produce