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

How can biotechnology contribute to the development of new diagnostic tools for metabolic disorders?

  1. Identification of biomarkers

  2. Development of genetic tests

  3. Development of imaging techniques

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biotechnology can contribute to the development of new diagnostic tools for metabolic disorders by identifying biomarkers, developing genetic tests, and developing imaging techniques.

Multiple choice

What is the process of transferring a gene from one organism to another called?

  1. Gene therapy

  2. Genetic engineering

  3. Recombinant DNA technology

  4. Transgenesis
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Genetic engineering is the process of transferring a gene from one organism to another.

Multiple choice

What is the term for an organism that has had its genetic material altered?

  1. Transgenic organism

  2. Genetically modified organism (GMO)

  3. Recombinant organism

  4. Cloned organism
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A genetically modified organism (GMO) is an organism that has had its genetic material altered.

Multiple choice

Which technology allows scientists to study the expression of genes?

  1. DNA microarrays

  2. RNA sequencing

  3. CRISPR-Cas9

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

DNA microarrays allow scientists to study the expression of genes by measuring the levels of mRNA transcripts.

Multiple choice

What is the term for the insertion of a foreign gene into the genome of an organism?

  1. Transgenesis

  2. Gene therapy

  3. Genetic engineering

  4. Recombinant DNA technology
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Transgenesis is the insertion of a foreign gene into the genome of an organism.

Multiple choice

What is the process of using gene therapy to treat diseases called?

  1. Gene editing

  2. Genetic engineering

  3. Recombinant DNA technology

  4. Gene replacement therapy
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Gene replacement therapy is the process of using gene therapy to treat diseases by replacing a defective gene with a functional one.

Multiple choice

Which technology allows scientists to make precise changes to the DNA sequence of an organism?

  1. CRISPR-Cas9

  2. DNA microarrays

  3. RNA sequencing

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

CRISPR-Cas9 is a technology that allows scientists to make precise changes to the DNA sequence of an organism.

Multiple choice

What is the term for the process of transferring a gene from one organism to another using a virus as a vector?

  1. Transduction

  2. Transformation

  3. Conjugation

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

Transduction is the process of transferring a gene from one organism to another using a virus as a vector.

Multiple choice

What is the term for the process of transferring a gene from one organism to another using a bacterium as a vector?

  1. Conjugation

  2. Transformation

  3. Transduction

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

Conjugation is the process of transferring a gene from one organism to another using a bacterium as a vector.

Multiple choice

Which technology allows scientists to study the interactions between genes?

  1. CRISPR-Cas9

  2. DNA microarrays

  3. RNA sequencing

  4. Genetic engineering
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

RNA sequencing allows scientists to study the interactions between genes by measuring the levels of RNA transcripts.

Multiple choice

What is the term for the process of transferring a gene from one organism to another using a plasmid as a vector?

  1. Transformation

  2. Conjugation

  3. Transduction

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

Transformation is the process of transferring a gene from one organism to another using a plasmid as a vector.

Multiple choice

What is the term for the process of transferring a gene from one organism to another using a virus as a vector?

  1. Transduction

  2. Transformation

  3. Conjugation

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

Transduction is the process of transferring a gene from one organism to another using a virus as a vector.

Multiple choice

Which of the following is a technique used to transfer genetic material from one organism to another?

  1. Gene therapy

  2. Polymerase chain reaction (PCR)

  3. DNA fingerprinting

  4. Genetic engineering
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Genetic engineering is a technique that allows scientists to transfer genetic material from one organism to another, resulting in the production of genetically modified organisms (GMOs).

Multiple choice

Which of the following is a type of cell therapy that uses genetically modified T cells to fight cancer?

  1. Stem cell therapy

  2. Gene therapy

  3. CAR T-cell therapy

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

CAR T-cell therapy is a type of cell therapy that uses genetically modified T cells to fight cancer. The T cells are modified to express a chimeric antigen receptor (CAR) that recognizes and binds to a specific antigen on cancer cells.

Multiple choice

Which of the following is a type of gene therapy that uses a virus to deliver genetic material to cells?

  1. CRISPR-Cas9 gene editing

  2. RNA interference (RNAi)

  3. Viral vector gene therapy

  4. Gene silencing
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Viral vector gene therapy uses a virus to deliver genetic material to cells. The virus is modified so that it cannot cause disease, but it can still deliver the genetic material to the cells.