12th Class Biology Chapter 23 MCQs with Answers

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Grade 12 Biology Chapter 23 Online Quiz

By presenting 3 options to choose from, 12th Class Biology Chapter 23 Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of 12th Class Questions and Answers and click over the correct answer.

• Test Name: 12th Class Biology Chapter 23 Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure high marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply comment below this post, so that we can update the answer in the quiz section.

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12th Class Biology Chapter 23: Biotechnology

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1 / 40

What is proteomics?

The study of the entire set of proteins produced by an organism

The study of ancient life forms

The study of human history

2 / 40

What is stem cell therapy?

The study of cell structure

The study of cell function

The use of stem cells to treat or prevent a disease or condition

3 / 40

What is CRISPR-Cas9?

A genome editing tool used to precisely cut and edit DNA sequences

A type of virus

A cloning technique

4 / 40

What is a DNA microarray?

A tool used to study gene expression levels

A type of virus

A cloning technique

5 / 40

What is a restriction enzyme?

An enzyme that repairs DNA

An enzyme that cuts DNA at specific sequences

An enzyme that synthesizes DNA

6 / 40

What is nanobiotechnology?

The intersection of nanotechnology and biotechnology

The study of ancient life forms

The study of human history

7 / 40

What is industrial biotechnology?

The study of ancient life forms

The study of human history

The use of biotechnology in industrial processes

8 / 40

What is a recombinant DNA molecule?

A molecule found in bacteria

A molecule that contains DNA from two different sources

A molecule found in plants

9 / 40

What is reproductive biotechnology?

The study of ancient life forms

The study of human history

The use of biotechnology in reproduction

10 / 40

What is epigenetics?

The study of human history

The study of ancient life forms

The study of changes in gene expression or cellular phenotype that do not involve changes to the underlying DNA sequence

11 / 40

What is a GMO (Genetically Modified Organism)?

An organism whose genetic material has been altered using genetic engineering techniques

An organism that occurs naturally

An organism that lacks DNA

12 / 40

What is PCR (Polymerase Chain Reaction)?

A technique used to cut DNA

A technique used to clone organisms

A technique used to amplify DNA sequences

13 / 40

What is tissue engineering?

The study of tissue function

The study of tissue structure

The creation of functional tissues for medical purposes

14 / 40

What is forensic biotechnology?

The study of human history

The study of ancient life forms

The use of biotechnology in forensic science

15 / 40

What is gene expression?

The process by which information from a gene is used to synthesize a functional gene product

The study of gene function

The study of gene structure

16 / 40

What is environmental biotechnology?

The study of ancient life forms

The use of biotechnology to address environmental issues

The study of ecosystems

17 / 40

What is a vector in biotechnology?

A small protein molecule

A carrier molecule used to transfer foreign DNA into a host organism

A type of virus

18 / 40

What is genetic engineering?

The study of genetics

The manipulation of an organism's genes

The study of inherited traits

19 / 40

What is genomics?

The study of the entire set of genes in an organism

The study of human history

The study of ancient life forms

20 / 40

What is bioinformatics?

The use of computer algorithms to analyze biological data

The manipulation of DNA

The study of ancient life forms

21 / 40

What is evolutionary biotechnology?

The study of ancient life forms

The study of human history

The use of biotechnology to study evolutionary processes

22 / 40

What is plant biotechnology?

The study of human history

The study of ancient life forms

The use of biotechnology in plants

23 / 40

What is animal biotechnology?

The study of human history

The use of biotechnology in animals

The study of ancient life forms

24 / 40

What is gene editing?

The modification of an organism's genome

The manipulation of DNA

The study of genes

25 / 40

What is agricultural biotechnology?

The study of cell structure

The study of ancient life forms

The use of biotechnology techniques in agriculture

26 / 40

What is gene sequencing?

Cutting DNA molecules

Determining the order of nucleotides in a DNA molecule

Copying DNA molecules

27 / 40

What is DNA fingerprinting?

A technique used to replicate DNA

A technique used to cut DNA

A technique used to identify individuals based on their unique DNA patterns

28 / 40

What is marine biotechnology?

The use of biotechnology in marine environments

The study of human history

The study of ancient life forms

29 / 40

What is pharmacogenomics?

The study of how genes affect a person's response to drugs

The study of ancient life forms

The study of drug interactions

30 / 40

What is synthetic biology?

The design and construction of new biological parts, devices, and systems

The study of ancient life forms

The study of natural biological systems

31 / 40

What is metabolic engineering?

The optimization of cellular metabolic pathways for industrial purposes

The study of ancient life forms

The study of human history

32 / 40

What is gene therapy?

The manipulation of an organism's genes

The study of genes

The insertion of genes into an individual's cells and tissues to treat a disease

33 / 40

What is biotechnology?

The use of living organisms or their processes to develop products and technologies

The study of ancient life forms

The study of living organisms

34 / 40

What is gene cloning?

The process of making copies of a gene

The process of splicing DNA

The process of cutting DNA

35 / 40

What is gene silencing?

The regulation of gene expression in which the expression of a gene is prevented

The study of ancient life forms

The study of human history

36 / 40

What is a plasmid?

A large molecule found in the nucleus

A type of virus

A small, circular DNA molecule found in bacteria

37 / 40

What is a transgenic organism?

An organism that reproduces asexually

An organism that lacks DNA

An organism that contains genes from another species

38 / 40

What is medical biotechnology?

The study of human history

The study of ancient life forms

The use of biotechnology in medicine

39 / 40

What is the purpose of gel electrophoresis?

To replicate DNA

To amplify DNA

To separate DNA fragments based on size

40 / 40

What is immunobiotechnology?

The study of human history

The use of biotechnology in immunology

The study of ancient life forms

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