Molecular Biotechnology MCQs with Answers

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Welcome to the Molecular Biotechnology MCQs with Answers. In this post, we have shared Molecular Biotechnology Online Test for different competitive exams. Find practice Molecular Biotechnology Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Molecular Biotechnology.

Molecular Biotechnology Online Quiz

By presenting 3 options to choose from, Molecular Biotechnology 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 Molecular Biotechnology Questions and Answers and click over the correct answer.

Test Name: Molecular Biotechnology MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Molecular Biotechnology

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1 / 40

What is an antisense oligonucleotide?

A short DNA or RNA molecule that binds to a specific mRNA to inhibit its function

An enzyme that synthesizes RNA

A protein that degrades DNA

2 / 40

What is the role of liposomes in gene delivery?

Cloning genes

Sequencing DNA

Carrying DNA into cells

3 / 40

What is electroporation?

A technique to introduce DNA into cells using an electric field

A method to sequence DNA

A way to clone organisms

4 / 40

What is the main goal of pharmacogenomics?

Personalizing medicine based on genetic information

Synthesizing new drugs

Cloning drugs

5 / 40

What is the purpose of flow cytometry?

Sequencing proteins

Cloning DNA

Analyzing the physical and chemical characteristics of cells

6 / 40

What is the function of a gene gun in biotechnology?

Cloning genes

Sequencing RNA

Introducing DNA into cells by shooting DNA-coated particles

7 / 40

What is the purpose of an affinity chromatography?

Purifying proteins or other molecules based on specific binding interactions

Amplifying DNA

Sequencing RNA

8 / 40

What is the main application of tissue engineering?

Cloning genes

Creating artificial organs and tissues

Sequencing genomes

9 / 40

What is the purpose of Southern blotting?

Detecting specific proteins

Detecting specific DNA sequences

Sequencing RNA

10 / 40

What is a chimera in genetic engineering?

A type of plasmid

A mutated gene

An organism containing cells from two different species

11 / 40

What is a DNA ligase used for in molecular cloning?

Joining DNA fragments together

Cutting DNA

Replicating DNA

12 / 40

What is the function of a reporter gene in a genetic experiment?

Replicating DNA

Indicating the activity of another gene

Synthesizing proteins

13 / 40

What is the purpose of a DNA microarray?

Measuring the expression levels of many genes simultaneously

Sequencing DNA

Synthesizing proteins

14 / 40

What is the purpose of PCR (Polymerase Chain Reaction)?

Cutting DNA

Amplifying DNA sequences

Sequencing DNA

15 / 40

What is the main goal of gene therapy?

To sequence genomes

To clone organisms

To treat or prevent diseases by correcting defective genes

16 / 40

What is a cDNA library?

A collection of complementary DNA copies of mRNA

A collection of plasmids

A collection of genomic DNA

17 / 40

What is the main application of agricultural biotechnology?

Sequencing plant genomes

Cloning animals

Developing genetically modified crops

18 / 40

What is the purpose of a Western blot?

Detecting specific proteins

Detecting specific DNA

Detecting specific RNA

19 / 40

What is RNAi (RNA interference)?

A way to sequence DNA

A biological process where RNA molecules inhibit gene expression

A method to amplify RNA

20 / 40

What is the purpose of proteomics?

Cloning proteins

Studying the structure and function of proteins

Sequencing proteins

21 / 40

What is the purpose of bacterial transformation in biotechnology?

Introducing foreign DNA into bacteria

Synthesizing bacterial proteins

Replicating bacterial DNA

22 / 40

What is the purpose of a vector in genetic engineering?

To degrade RNA

To replicate DNA

To deliver genetic material into cells

23 / 40

What is the function of CRISPR-Cas9 in biotechnology?

Editing genes

Synthesizing proteins

Sequencing DNA

24 / 40

What is the purpose of site-directed mutagenesis?

Cloning entire genomes

Synthesizing RNA

Creating specific, targeted changes in a DNA sequence

25 / 40

What is the role of restriction enzymes in biotechnology?

Synthesizing RNA

Replicating DNA

Cutting DNA at specific sequences

26 / 40

What is the purpose of gel electrophoresis?

Separating DNA fragments by size

Synthesizing proteins

Amplifying RNA

27 / 40

What is a knockout mouse?

A mouse with an overexpressed gene

A mouse in which a specific gene has been inactivated

A mouse with a cloned gene

28 / 40

What is a transgenic organism?

An organism with a mutated gene

An organism with deleted genes

An organism with genes from another species

29 / 40

What is the role of an expression vector?

To sequence RNA

To clone DNA

To produce proteins from cloned genes

30 / 40

What is the role of a bioreactor in biotechnology?

Separating DNA fragments

Synthesizing RNA

Growing organisms or cells for product production

31 / 40

What is a DNA probe?

An RNA molecule

A protein that binds DNA

A labeled DNA sequence used to detect the presence of a complementary sequence

32 / 40

What is a plasmid?

A type of protein

A segment of RNA

A small circular DNA molecule

33 / 40

What is the purpose of an ELISA (Enzyme-Linked Immunosorbent Assay)?

Amplifying DNA

Detecting and quantifying proteins or antibodies

Sequencing RNA

34 / 40

What is the purpose of Northern blotting?

Detecting specific DNA

Detecting specific RNA sequences

Detecting specific proteins

35 / 40

What is gene knockdown?

Deleting a gene

Reducing the expression of a gene

Increasing the expression of a gene

36 / 40

What is a genomic library?

A catalog of proteins

A database of gene sequences

A collection of DNA fragments representing an organism's entire genome

37 / 40

What is molecular biotechnology?

The study of ecosystems

The application of biological systems and organisms to develop products

The study of cell structures

38 / 40

What is recombinant DNA?

DNA synthesized in the lab

DNA replicated naturally

DNA formed by combining DNA from different sources

39 / 40

What is gene cloning?

Making copies of a specific gene

Modifying genes

Sequencing genes

40 / 40

What is a bioinformatics database?

A collection of biological data for analysis and interpretation

A method to sequence DNA

A technique to clone genes

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admin3 weeks ago

0 3 1 minute read