Biology

Genetic Engineering and Biotechnology

2,033 Questions

Genetic engineering and biotechnology involve modifying organism DNA to develop transgenic crops, medical treatments, and industrial solutions. This field covers essential techniques like hybridoma technology, molecular markers, and gene transfer in eukaryotic cells. These biology topics are essential for aspirants preparing for various competitive examinations.

Genetic engineering techniquesTransgenic organismsIndustrial biotechnologyGMOs and bioremediation

Genetic Engineering and Biotechnology Questions

Multiple choice

What is the term for the transfer of genetic material from a virus to a host cell?

  1. Transduction

  2. Transformation

  3. Conjugation

  4. Transposition
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Transduction is the process by which genetic material is transferred from a virus to a host cell.

Multiple choice

Which technique involves introducing foreign DNA into a cell using a plasmid?

  1. Transfection

  2. Transformation

  3. Transduction

  4. Conjugation
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Transfection is the process of introducing foreign DNA into a cell using a plasmid, which is a small circular DNA molecule.

Multiple choice

What is the term for the process of transferring genetic material between two bacterial cells?

  1. Conjugation

  2. Transformation

  3. Transduction

  4. Transposition
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Conjugation is the process of transferring genetic material between two bacterial cells through direct cell-to-cell contact.

Multiple choice

Which technique is used to study the expression of genes?

  1. Microarray Analysis

  2. RNA Sequencing

  3. Proteomics

  4. Metabolomics
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Microarray analysis is a technique used to study the expression of genes by measuring the levels of mRNA transcripts.

Multiple choice

What is the process of transferring genetic material from one organism to another called?

  1. Genetic Engineering

  2. Transgenesis

  3. Recombinant DNA Technology

  4. Gene Cloning
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Genetic engineering is the process of altering the genetic material of an organism to achieve a desired trait or characteristic.

Multiple choice

Which technique is used to insert a foreign gene into the genome of a host organism?

  1. Polymerase Chain Reaction (PCR)

  2. Gel Electrophoresis

  3. Restriction Enzyme Digestion

  4. DNA Ligation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

DNA ligation is the process of joining two DNA fragments together using a DNA ligase enzyme.

Multiple choice

What is the term used to describe an organism that has had its genetic material altered through genetic engineering?

  1. Transgenic Organism

  2. Recombinant Organism

  3. Genetically Modified Organism (GMO)

  4. Cloned Organism
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A genetically modified organism (GMO) is an organism whose genetic material has been altered using genetic engineering techniques.

Multiple choice

Which genetic engineering technique is used to silence or suppress the expression of a specific gene?

  1. Gene Knockdown

  2. Gene Editing

  3. Gene Silencing

  4. RNA Interference (RNAi)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

RNA interference (RNAi) is a genetic engineering technique used to silence or suppress the expression of a specific gene.

Multiple choice

What is the term used to describe the process of introducing a gene from one species into another species?

  1. Transgenesis

  2. Interspecies Gene Transfer

  3. Horizontal Gene Transfer

  4. Xenogeneic Gene Transfer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Xenogeneic gene transfer is the process of introducing a gene from one species into another species.

Multiple choice

Which genetic engineering technique is used to create organisms with multiple copies of a desired gene?

  1. Gene Amplification

  2. Gene Duplication

  3. Gene Cloning

  4. Gene Overexpression
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Gene amplification is the process of creating organisms with multiple copies of a desired gene.

Multiple choice

What is the term used to describe the process of using genetic engineering to improve the nutritional value of crops?

  1. Biofortification

  2. Genetic Fortification

  3. Nutrient Enhancement

  4. Nutritional Engineering
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Biofortification is the process of using genetic engineering to improve the nutritional value of crops.

Multiple choice

Which genetic engineering technique is used to create organisms that are resistant to specific pests or diseases?

  1. Gene Stacking

  2. Transgenic Resistance

  3. Genetic Resistance

  4. Pest Resistance Engineering
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Transgenic resistance is the process of using genetic engineering to create organisms that are resistant to specific pests or diseases.

Multiple choice

What is the term used to describe the process of using genetic engineering to create organisms that are tolerant to specific environmental conditions?

  1. Stress Tolerance Engineering

  2. Environmental Adaptation

  3. Genetic Adaptation

  4. Abiotic Stress Tolerance
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Abiotic stress tolerance is the process of using genetic engineering to create organisms that are tolerant to specific environmental conditions.

Multiple choice

Which genetic engineering technique is used to create organisms that produce specific proteins or molecules?

  1. Gene Expression

  2. Protein Engineering

  3. Molecular Farming

  4. Recombinant Protein Production
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Recombinant protein production is the process of using genetic engineering to create organisms that produce specific proteins or molecules.

Multiple choice

What is the term used to describe the process of using genetic engineering to create organisms that are resistant to specific herbicides?

  1. Herbicide Tolerance

  2. Weed Resistance

  3. Pesticide Resistance

  4. Crop Protection
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Herbicide tolerance is the process of using genetic engineering to create organisms that are resistant to specific herbicides.