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Practice Quiz

Gene Cloning — Practice Quiz

CBSE · Class 12 · Biotechnology

Try a 4-question quiz on Gene Cloning for CBSE Class 12 Biotechnology: tap an answer to check it and see why. 72 questions in the full chapter test.

72 questions88 flashcards5 concepts

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A diagram illustrating the concept of insertional inactivation using a chromogenic substrate, where insertion of foreign DNA into a gene (e.g., β-galactosidase) inactivates it, leading to a visible ch
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Quick Quiz: Gene Cloning

0/4

Tap an answer to check it instantly. No sign-up needed for these 4.

1

What is gene cloning in biotechnology best described as?

2

What is the first and most difficult problem in gene cloning?

3

Which DNA size is used as an example to show the difficulty of finding a gene of interest in the human genome?

4

What is the approximate size of a haploid human genome?

72 Questions·
multiple choicemultiple correcttrue falseassertion reasoning

Sample Questions

1multiple choice
1 marks

What is the role of reverse transcriptase in cDNA preparation?

Show answer

It makes cDNA from an RNA template

Reverse transcriptase is an RNA-directed DNA polymerase that synthesises cDNA using RNA as the template.

2multiple choice
1 marks

Which molecule is used to break the peptidoglycan of bacterial cell walls during DNA isolation?

Show answer

Lysozyme

Lysozyme digests peptidoglycan, the main component of the bacterial cell wall.

3multiple choice
1 marks

Which detergent is used for bacterial cell lysis by disrupting the lipid bilayer?

Show answer

SDS

SDS is used to lyse cell membranes by disrupting the lipid bilayer.

4multiple choice
1 marks

What type of detergent is CTAB?

Show answer

Cationic detergent

CTAB is used for plant DNA isolation and is a cationic detergent.

+68 more questions on Gene Cloning (CBSE Class 12 Biotechnology)

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Frequently Asked Questions

What are the important topics in Gene Cloning for CBSE Class 12 Biotechnology?
Key topics in Gene Cloning include Identification of Candidate Gene, Isolation of Nucleic Acids, Enzymes Used in Recombinant DNA Technology, Modes of DNA Transfer. Study these first, then practise questions on each for the CBSE Class 12 board exam.
How many practice questions are there for Gene Cloning?
There are 72 questions on Gene Cloning. Try the 4-question sample quiz on this page first; each answer shows an explanation when you tap it.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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