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CBSE
Class 12
Biology
Biology
Biotechnology : Principles and Processes

Question Bank

Practice Hub

Question Bank: Biotechnology : Principles and Processes

This chapter introduces key concepts in biotechnology, focusing on the principles and processes that enable genetic modifications in organisms, which are essential for advancements in health and food production.

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Question Bank - Biotechnology : Principles and Processes

View all (46)
Q1.

What is the primary goal of genetic engineering in biotechnology?

Single Answer MCQ
Q-00084636
View explanation
Q2.

Which process involves maintaining a contamination-free environment in biotechnological production?

Single Answer MCQ
Q-00084637
View explanation
Q3.

Why is sexual reproduction considered advantageous over asexual reproduction?

Single Answer MCQ
Q-00084638
View explanation
Q4.

What is the significance of the 'origin of replication' in genetic engineering?

Single Answer MCQ
Q-00084639
View explanation
Q5.

What was the first instance of constructing a recombinant DNA molecule?

Single Answer MCQ
Q-00084640
View explanation
Q6.

Which type of DNA is used to create genetically modified organisms?

Single Answer MCQ
Q-00084641
View explanation
Q7.

What is a biotechnological process that involves creating a test-tube baby?

Single Answer MCQ
Q-00084642
View explanation
Q8.

What advantage does genetic engineering have over traditional hybridization methods?

Single Answer MCQ
Q-00084643
View explanation
Q9.

Which of the following is NOT a target of biotechnology?

Single Answer MCQ
Q-00084644
View explanation
Q10.

What is the purpose of cloning in biotechnology?

Single Answer MCQ
Q-00084645
View explanation
Q11.

Which technique allows scientists to isolate specific genes?

Single Answer MCQ
Q-00084646
View explanation
Q12.

Which of the following best describes recombinant DNA?

Single Answer MCQ
Q-00084647
View explanation
Q13.

Which enzyme is crucial for cutting DNA at specific locations in genetic engineering?

Single Answer MCQ
Q-00084648
View explanation
Q14.

Which molecule is often used for gene transfer in biotechnology?

Single Answer MCQ
Q-00084649
View explanation
Q15.

What does the term 'biotechnology' encompass according to the European Federation of Biotechnology?

Single Answer MCQ
Q-00084650
View explanation
Q16.

What is the first step in recombinant DNA technology?

Single Answer MCQ
Q-00084681
View explanation
Q17.

Which enzyme is responsible for cutting DNA at specific sequences?

Single Answer MCQ
Q-00084682
View explanation
Q18.

What method is used to observe the progress of restriction enzyme digestion?

Single Answer MCQ
Q-00084683
View explanation
Q19.

What is the purpose of ligase in recombinant DNA technology?

Single Answer MCQ
Q-00084684
View explanation
Q20.

What is the primary goal of the Polymerase Chain Reaction (PCR)?

Single Answer MCQ
Q-00084685
View explanation
Q21.

Which of the following methods can introduce recombinant DNA into plant cells?

Single Answer MCQ
Q-00084686
View explanation
Q22.

What role do vectors play in recombinant DNA technology?

Single Answer MCQ
Q-00084687
View explanation
Q23.

Which of the following is commonly used as a vector in recombinant DNA technology?

Single Answer MCQ
Q-00084688
View explanation
Q24.

What is the term for the insertion of recombinant DNA into a host organism?

Single Answer MCQ
Q-00084689
View explanation
Q25.

What characteristic of plasmids makes them suitable for use as cloning vectors?

Single Answer MCQ
Q-00084690
View explanation
Q26.

Which process isolates a specific DNA fragment from a mixture of DNA?

Single Answer MCQ
Q-00084691
View explanation
Q27.

Why is it important to maintain a sterile environment during recombinant DNA procedures?

Single Answer MCQ
Q-00084692
View explanation
Q28.

What is the main reason for using heat shock in bacterial transformation?

Single Answer MCQ
Q-00084693
View explanation
Q29.

What is the significance of the origin of replication in recombinant DNA?

Single Answer MCQ
Q-00084694
View explanation
Q30.

In recombinant DNA technology, what does 'cloning' specifically refer to?

Single Answer MCQ
Q-00084695
View explanation
Q31.

What is a common application of recombinant DNA technology in medicine?

Single Answer MCQ
Q-00084696
View explanation
Q32.

What are restriction enzymes primarily used for in recombinant DNA technology?

Single Answer MCQ
Q-00084697
View explanation
Q33.

Which of the following enzymes is essential for joining cut DNA fragments?

Single Answer MCQ
Q-00084698
View explanation
Q34.

What type of DNA sequences do restriction enzymes recognize?

Single Answer MCQ
Q-00084699
View explanation
Q35.

Which of the following best describes a vector in recombinant DNA technology?

Single Answer MCQ
Q-00084700
View explanation
Q36.

Which enzyme is responsible for replicating DNA in most organisms?

Single Answer MCQ
Q-00084701
View explanation
Q37.

What does the term 'recombinant DNA' refer to?

Single Answer MCQ
Q-00084702
View explanation
Q38.

What is the main role of polylinker regions in expression vectors?

Single Answer MCQ
Q-00084704
View explanation
Q39.

Which of the following is NOT a common vector used in recombinant DNA technology?

Single Answer MCQ
Q-00084706
View explanation
Q40.

What is the role of a selectable marker in recombinant DNA technology?

Single Answer MCQ
Q-00084708
View explanation
Q41.

How do plasmids function as vectors in genetic engineering?

Single Answer MCQ
Q-00084710
View explanation
Q42.

What is the primary use of polymerase chain reaction (PCR) in recombinant DNA technology?

Single Answer MCQ
Q-00084712
View explanation
Q43.

Which of the following describes endonucleases?

Single Answer MCQ
Q-00084714
View explanation
Q44.

What is the significance of origin of replication in plasmids used as vectors?

Single Answer MCQ
Q-00084716
View explanation
Q45.

What essential feature distinguishes cloning vectors from expression vectors?

Single Answer MCQ
Q-00084718
View explanation
Q46.

Which of the following is the correct order of steps involved in recombinant DNA technology?

Single Answer MCQ
Q-00084720
View explanation
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