Biology
Genetic Engineering and Biotechnology
2,010 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
What is the term for the process by which a microorganism acquires new genetic material from its environment?
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Horizontal gene transfer
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Vertical gene transfer
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Gene transfer
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Epigenetics
A
Correct answer
Explanation
Horizontal gene transfer is the term for the process by which a microorganism acquires new genetic material from its environment. This can occur through a variety of mechanisms, such as conjugation, transduction, and transformation.
What is the term for the process by which a microorganism passes its genetic material to its offspring?
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Horizontal gene transfer
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Vertical gene transfer
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Gene transfer
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Epigenetics
B
Correct answer
Explanation
Vertical gene transfer is the term for the process by which a microorganism passes its genetic material to its offspring. This occurs during reproduction.
What is the term for the process by which genetic material is transferred from one microorganism to another?
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Mutation
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Recombination
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Gene transfer
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Epigenetics
C
Correct answer
Explanation
Gene transfer is the term for the process by which genetic material is transferred from one microorganism to another. This can occur through various mechanisms, such as conjugation, transduction, and transformation.
Which technique involves the transfer of genetic material from one organism to another?
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Gene Cloning
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DNA Fingerprinting
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Polymerase Chain Reaction
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Genetic Engineering
D
Correct answer
Explanation
Genetic Engineering involves the deliberate modification of an organism's genetic material to introduce new traits or alter existing ones.
Which vector is commonly used for gene transfer in plants?
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Plasmid
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Bacteriophage
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Cosmid
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Ti plasmid
D
Correct answer
Explanation
Ti plasmid is a naturally occurring plasmid found in Agrobacterium tumefaciens, which is used as a vector for gene transfer in plants.
What is the term for an organism that has had its genetic material altered using genetic engineering techniques?
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Transgenic Organism
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Recombinant Organism
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Genetically Modified Organism
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All of the above
D
Correct answer
Explanation
Transgenic Organism, Recombinant Organism, and Genetically Modified Organism are all terms used to describe organisms that have had their genetic material altered through genetic engineering.
What is the process of inserting a foreign gene into a host organism's genome called?
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Gene Cloning
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Transformation
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Transduction
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Conjugation
B
Correct answer
Explanation
Transformation is the process of introducing foreign DNA into a host organism's genome, typically through chemical or physical methods.
What is the name of the technology that allows scientists to edit genes in living organisms?
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Gene Editing
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Genome Editing
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CRISPR-Cas9
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All of the above
D
Correct answer
Explanation
Gene Editing, Genome Editing, and CRISPR-Cas9 are all terms used to describe the technology that allows scientists to make precise changes to the DNA of living organisms.
Which ethical concern is often raised regarding the use of genetic engineering in agriculture?
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Environmental Impact
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Food Safety
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Loss of Biodiversity
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All of the above
D
Correct answer
Explanation
Environmental Impact, Food Safety, and Loss of Biodiversity are all ethical concerns that are often raised regarding the use of genetic engineering in agriculture.
Which application of genetic engineering involves the production of therapeutic proteins in living organisms?
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Gene Therapy
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Protein Engineering
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Pharmaceutical Biotechnology
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All of the above
D
Correct answer
Explanation
Gene Therapy, Protein Engineering, and Pharmaceutical Biotechnology are all applications of genetic engineering that involve the production of therapeutic proteins in living organisms.
What is the term for the process of transferring genes from one organism to another using a virus as a vector?
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Transduction
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Transformation
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Conjugation
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Gene Cloning
A
Correct answer
Explanation
Transduction is the process of transferring genes from one organism to another using a virus as a vector.
What is the term for the process of transferring genes from one organism to another using a bacterium as a vector?
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Transduction
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Transformation
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Conjugation
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Gene Cloning
C
Correct answer
Explanation
Conjugation is the process of transferring genes from one organism to another using a bacterium as a vector.
Which application of genetic engineering involves the creation of organisms with desirable traits for agricultural purposes?
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Genetically Modified Crops
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Bioremediation
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Gene Therapy
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Pharmaceutical Biotechnology
A
Correct answer
Explanation
Genetically Modified Crops are plants that have been altered using genetic engineering techniques to improve their traits, such as resistance to pests or herbicides.
What is the term for the process of transferring genes from one organism to another using a plasmid as a vector?
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Transduction
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Transformation
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Conjugation
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Gene Cloning
B
Correct answer
Explanation
Transformation is the process of transferring genes from one organism to another using a plasmid as a vector.
Which of the following is a technique used to modify the genetic makeup of an organism?
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Genetic engineering
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Fermentation
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Pasteurization
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Sterilization
A
Correct answer
Explanation
Genetic engineering involves the direct manipulation of an organism's genes to alter its characteristics.