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CBSE
Class 12
Biotechnology
Biotechnology
HostñVector System

Question Bank

Practice Hub

Question Bank: HostñVector System

This chapter introduces the essential components of recombinant DNA technology, focusing on various host organisms and vectors used in gene cloning, which is crucial for biotechnology applications.

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Question Bank - HostñVector System

View all (89)
Q1.

What are the two key components of recombinant DNA technology?

Single Answer MCQ
Q-00095848
View explanation
Q2.

Which of the following is the most commonly used prokaryotic host for gene cloning?

Single Answer MCQ
Q-00095849
View explanation
Q3.

What is the primary function of a vector in recombinant DNA technology?

Single Answer MCQ
Q-00095850
View explanation
Q4.

Which of the following features is NOT typical of a good vector?

Single Answer MCQ
Q-00095851
View explanation
Q5.

What type of host is yeast when used in recombinant DNA technology?

Single Answer MCQ
Q-00095852
View explanation
Q6.

What is the role of restriction enzymes in recombinant DNA technology?

Single Answer MCQ
Q-00095853
View explanation
Q7.

Which vector is specifically designed for the expression of proteins in a host?

Single Answer MCQ
Q-00095854
View explanation
Q8.

Why is plasmid considered a popular vector for gene cloning?

Single Answer MCQ
Q-00095855
View explanation
Q9.

What characteristic of E. coli makes it suitable for cloning?

Single Answer MCQ
Q-00095856
View explanation
Q10.

Which of the following vectors can be used in both prokaryotic and eukaryotic systems?

Single Answer MCQ
Q-00095857
View explanation
Q11.

Which of the following statements best describes a capability required of a host in recombinant DNA technology?

Single Answer MCQ
Q-00095858
View explanation
Q12.

What is a major advantage of using Bacillus subtilis as a host?

Single Answer MCQ
Q-00095859
View explanation
Q13.

What factor does a vector's 'origin of replication' provide?

Single Answer MCQ
Q-00095860
View explanation
Q14.

Why must a host not degrade recombinant DNA?

Single Answer MCQ
Q-00095861
View explanation
Q15.

What is an expression vector primarily designed for?

Single Answer MCQ
Q-00095862
View explanation
Q16.

What are R-plasmids primarily known for?

Single Answer MCQ
Q-00095863
View explanation
Q17.

Which structure is formed by plasmid transfer genes to connect to other bacterial cells?

Single Answer MCQ
Q-00095864
View explanation
Q18.

What is the main characteristic of high copy plasmids?

Single Answer MCQ
Q-00095865
View explanation
Q19.

Col plasmids are primarily responsible for the production of which of the following?

Single Answer MCQ
Q-00095866
View explanation
Q20.

What type of vector is characterized by having features of both plasmids and lambda phage vectors?

Single Answer MCQ
Q-00095867
View explanation
Q21.

During the life cycle of the M13 bacteriophage, what is the double-stranded replicative form (RF) primarily used for?

Single Answer MCQ
Q-00095868
View explanation
Q22.

Which of the following statements about episomes is true?

Single Answer MCQ
Q-00095869
View explanation
Q23.

What aspect of a vector is important for screening transformed cells?

Single Answer MCQ
Q-00095870
View explanation
Q24.

Which of the following is NOT a common feature of vectors used in genetic engineering?

Single Answer MCQ
Q-00095871
View explanation
Q25.

What defines a low copy plasmid?

Single Answer MCQ
Q-00095872
View explanation
Q26.

Why are plasmids considered useful tools in biotechnological applications?

Single Answer MCQ
Q-00095873
View explanation
Q27.

Which mechanism is NOT used by F-plasmids to transfer genetic material?

Single Answer MCQ
Q-00095874
View explanation
Q28.

Why is it essential for vectors to have an origin of replication?

Single Answer MCQ
Q-00095875
View explanation
Q29.

When producing a recombinant plasmid, why is it necessary to use restriction enzymes?

Single Answer MCQ
Q-00095876
View explanation
Q30.

Which characteristic is often associated with the plasmids that carry toxin genes?

Single Answer MCQ
Q-00095877
View explanation
Q31.

What is the role of selectable markers in vectors?

Single Answer MCQ
Q-00095878
View explanation
Q32.

What is the primary function of a vector in recombinant DNA technology?

Single Answer MCQ
Q-00095879
View explanation
Q33.

Which of the following is a characteristic of plasmid vectors?

Single Answer MCQ
Q-00095880
View explanation
Q34.

Which type of vector is specifically designed for the expression of cloned genes?

Single Answer MCQ
Q-00095881
View explanation
Q35.

Which of the following is a key advantage of using a bacteriophage as a vector?

Single Answer MCQ
Q-00095882
View explanation
Q36.

In recombinant DNA technology, what is the purpose of a selectable marker within a vector?

Single Answer MCQ
Q-00095883
View explanation
Q37.

What type of vector combines features of plasmids and bacteriophages?

Single Answer MCQ
Q-00095884
View explanation
Q38.

What characteristic distinguishes shuttle vectors?

Single Answer MCQ
Q-00095885
View explanation
Q39.

Which of the following is NOT a feature of an ideal cloning vector?

Single Answer MCQ
Q-00095886
View explanation
Q40.

What is a primary disadvantage of using BACs (Bacterial Artificial Chromosomes) as vectors?

Single Answer MCQ
Q-00095887
View explanation
Q41.

Why are eukaryotic expression vectors needed?

Single Answer MCQ
Q-00095888
View explanation
Q42.

What role do restriction enzymes play in the use of vectors?

Single Answer MCQ
Q-00095889
View explanation
Q43.

What is the purpose of using a low copy number vector?

Single Answer MCQ
Q-00095890
View explanation
Q44.

Which is a common misconception about vectors in recombinant DNA technology?

Single Answer MCQ
Q-00095891
View explanation
Q45.

How would you classify a cosmid based on its properties?

Single Answer MCQ
Q-00095892
View explanation
Q46.

What feature is essential for a vector to function in both prokaryotes and eukaryotes?

Single Answer MCQ
Q-00095893
View explanation
Q47.

Which of the following organisms is the most commonly used eukaryotic host in recombinant DNA technology?

Single Answer MCQ
Q-00095894
View explanation
Q48.

What is the primary role of vectors in recombinant DNA technology?

Single Answer MCQ
Q-00095895
View explanation
Q49.

What characteristic must a suitable vector possess?

Single Answer MCQ
Q-00095896
View explanation
Q50.

Which type of vector allows cloning of very large DNA fragments (up to 1 million base pairs)?

Single Answer MCQ
Q-00095897
View explanation
Q51.

What is a primary advantage of using yeast as a host organism in recombinant DNA technology?

Single Answer MCQ
Q-00095898
View explanation
Q52.

Which of the following is NOT considered a characteristic of an effective vector?

Single Answer MCQ
Q-00095899
View explanation
Q53.

In yeast artificial chromosomes, what role do telomeres play?

Single Answer MCQ
Q-00095900
View explanation
Q54.

What is the purpose of a selectable marker in a vector?

Single Answer MCQ
Q-00095901
View explanation
Q55.

Which of the following cloning vectors is required for incorporating DNA fragments over 10 kb in eukaryotic systems?

Single Answer MCQ
Q-00095902
View explanation
Q56.

What defines a single copy plasmid's replication strategy?

Single Answer MCQ
Q-00095903
View explanation
Q57.

Which of the following vectors is a hybrid of plasmid and bacteriophage?

Single Answer MCQ
Q-00095904
View explanation
Q58.

Which essential feature must an expression vector possess?

Single Answer MCQ
Q-00095905
View explanation
Q59.

Why are yeast artificial chromosomes used in cloning?

Single Answer MCQ
Q-00095906
View explanation
Q60.

What is a key feature of the pBR322 plasmid?

Single Answer MCQ
Q-00095907
View explanation
Q61.

What role does the autonomously replicating sequence (ARS) play in yeast vectors?

Single Answer MCQ
Q-00095908
View explanation
Q62.

What is the primary function of a shuttle vector?

Single Answer MCQ
Q-00095909
View explanation
Q63.

Which of the following is not a characteristic of shuttle vectors?

Single Answer MCQ
Q-00095910
View explanation
Q64.

What is a primary benefit of using shuttle vectors in biotechnology?

Single Answer MCQ
Q-00095911
View explanation
Q65.

Which two systems do shuttle vectors commonly replicate in?

Single Answer MCQ
Q-00095912
View explanation
Q66.

An example of a prokaryotic cell often used with shuttle vectors is?

Single Answer MCQ
Q-00095913
View explanation
Q67.

What is typically included in the construction of a shuttle vector?

Single Answer MCQ
Q-00095914
View explanation
Q68.

Shuttle vectors are useful for studying which type of gene expression?

Single Answer MCQ
Q-00095915
View explanation
Q69.

Which of the following is an example of a eukaryotic cell that can be used with shuttle vectors?

Single Answer MCQ
Q-00095916
View explanation
Q70.

Shuttle vectors differ from standard plasmids in that they can?

Single Answer MCQ
Q-00095917
View explanation
Q71.

Why might researchers choose to use shuttle vectors in their experiments?

Single Answer MCQ
Q-00095918
View explanation
Q72.

In a shuttle vector, how is the correct origin of replication selected in a specific host?

Single Answer MCQ
Q-00095919
View explanation
Q73.

What critical role does the selectable marker serve in a shuttle vector?

Single Answer MCQ
Q-00095920
View explanation
Q74.

Which of the following types of genes can be studied using shuttle vectors?

Single Answer MCQ
Q-00095921
View explanation
Q75.

What is the primary function of a vector in recombinant DNA technology?

Single Answer MCQ
Q-00095922
View explanation
Q76.

Which of the following is a commonly used prokaryotic host for gene cloning?

Single Answer MCQ
Q-00095923
View explanation
Q77.

What is one characteristic that an expression vector must have?

Single Answer MCQ
Q-00095924
View explanation
Q78.

What is the role of selectable markers in vectors?

Single Answer MCQ
Q-00095925
View explanation
Q79.

Which vector type can accommodate the largest DNA inserts?

Single Answer MCQ
Q-00095926
View explanation
Q80.

What is a shuttle vector?

Single Answer MCQ
Q-00095927
View explanation
Q81.

What is the general role of an inducible promoter in expression vectors?

Single Answer MCQ
Q-00095928
View explanation
Q82.

Which size of DNA insert can a bacteriophage vector accommodate?

Single Answer MCQ
Q-00095929
View explanation
Q83.

What is a disadvantage of using prokaryotic hosts for eukaryotic gene expression?

Single Answer MCQ
Q-00095930
View explanation
Q84.

Which of the following is NOT typically found in an expression vector?

Single Answer MCQ
Q-00095931
View explanation
Q85.

What is the function of the ligation process in rDNA technology?

Single Answer MCQ
Q-00095932
View explanation
Q86.

What is a common advantage of using yeast as a eukaryotic host?

Single Answer MCQ
Q-00095933
View explanation
Q87.

Which structure of a plasmid is crucial for its replication?

Single Answer MCQ
Q-00095934
View explanation
Q88.

In recombinant DNA technology, what is the purpose of the term 'heterologous expression'?

Single Answer MCQ
Q-00095935
View explanation
Q89.

What will likely happen if a recombinant plasmid is not properly maintained within a host cell?

Single Answer MCQ
Q-00095936
View explanation
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