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
Which technique involves the transfer of genes from one organism to another?
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Genetic Engineering
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Tissue Culture
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Biofertilizers
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Recombinant DNA Technology
A
Correct answer
Explanation
Genetic engineering, also known as recombinant DNA technology, involves the transfer of genes from one organism to another, allowing for the modification of an organism's genetic makeup.
Which type of biotechnology utilizes microorganisms to enhance plant growth and soil fertility?
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Genetic Engineering
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Tissue Culture
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Biofertilizers
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Recombinant DNA Technology
C
Correct answer
Explanation
Biofertilizers utilize microorganisms, such as bacteria and fungi, to enhance plant growth and soil fertility by fixing atmospheric nitrogen, solubilizing phosphorus, and producing plant growth-promoting substances.
What is the term for the process of transferring genes from one plant species to another?
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Genetic Engineering
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Tissue Culture
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Biofertilizers
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Recombinant DNA Technology
A
Correct answer
Explanation
Genetic engineering allows for the transfer of genes from one plant species to another, resulting in the development of genetically modified crops with desirable traits, such as resistance to pests, diseases, and herbicides.
What is the term for the process of using genetic engineering to modify an organism's DNA?
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Genetic Engineering
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Tissue Culture
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Biofertilizers
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Recombinant DNA Technology
A
Correct answer
Explanation
Genetic engineering involves the modification of an organism's DNA using techniques such as gene insertion, gene deletion, and gene replacement, allowing for the development of organisms with desirable traits.
Which type of biotechnology utilizes microorganisms to control pests and diseases in agriculture?
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Genetic Engineering
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Tissue Culture
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Biofertilizers
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Biopesticides
D
Correct answer
Explanation
Biopesticides utilize microorganisms, such as bacteria, fungi, and viruses, to control pests and diseases in agriculture by acting as natural enemies of pests and pathogens.
What is the term for the process of using genetic engineering to transfer a gene from one organism to another?
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Genetic Engineering
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Tissue Culture
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Biofertilizers
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Recombinant DNA Technology
A
Correct answer
Explanation
Genetic engineering involves the transfer of a gene from one organism to another, allowing for the modification of an organism's genetic makeup and the development of organisms with desirable traits.
Which type of biotechnology utilizes microorganisms to degrade and remove pollutants from the environment?
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Genetic Engineering
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Tissue Culture
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Bioremediation
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Recombinant DNA Technology
C
Correct answer
Explanation
Bioremediation utilizes microorganisms, such as bacteria and fungi, to degrade and remove pollutants from the environment, including soil, water, and air.
What is the term for the process of using genetic engineering to modify an organism's genome?
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Genetic Engineering
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Tissue Culture
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Biofertilizers
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Recombinant DNA Technology
A
Correct answer
Explanation
Genetic engineering involves the modification of an organism's genome by inserting, deleting, or replacing genes, allowing for the development of organisms with desirable traits.
Which type of biotechnology utilizes microorganisms to produce biofuels, such as ethanol and biodiesel?
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Genetic Engineering
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Tissue Culture
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Biofuels
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Recombinant DNA Technology
C
Correct answer
Explanation
Biofuels utilize microorganisms, such as bacteria and yeast, to produce biofuels, such as ethanol and biodiesel, from renewable resources, such as plant biomass and waste.
What is the term for the process of using genetic engineering to transfer a gene from one organism to another?
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Genetic Engineering
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Tissue Culture
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Biofertilizers
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Recombinant DNA Technology
A
Correct answer
Explanation
Genetic engineering involves the transfer of a gene from one organism to another, allowing for the modification of an organism's genetic makeup and the development of organisms with desirable traits.
Which type of biotechnology utilizes microorganisms to produce antibiotics and other pharmaceuticals?
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Genetic Engineering
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Tissue Culture
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Biopharmaceuticals
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Recombinant DNA Technology
C
Correct answer
Explanation
Biopharmaceuticals utilize microorganisms, such as bacteria and yeast, to produce antibiotics and other pharmaceuticals, such as vaccines, hormones, and enzymes.
What is the term for the process of using genetic engineering to modify an organism's DNA?
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Genetic Engineering
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Tissue Culture
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Biofertilizers
-
Recombinant DNA Technology
A
Correct answer
Explanation
Genetic engineering involves the modification of an organism's DNA using techniques such as gene insertion, gene deletion, and gene replacement, allowing for the development of organisms with desirable traits.
Which type of biotechnology utilizes microorganisms to produce bioplastics, which are biodegradable and environmentally friendly?
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Genetic Engineering
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Tissue Culture
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Bioplastics
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Recombinant DNA Technology
C
Correct answer
Explanation
Bioplastics utilize microorganisms, such as bacteria and yeast, to produce bioplastics, which are biodegradable and environmentally friendly alternatives to traditional plastics.
Which gene editing technique is widely used in agriculture to modify crop genomes?
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CRISPR-Cas9
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TALENs
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ZFNs
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Meganucleases
A
Correct answer
Explanation
CRISPR-Cas9 is a versatile and precise gene editing system that allows scientists to make targeted changes to DNA sequences. It has become the preferred technique for gene editing in agriculture due to its efficiency, ease of use, and low cost.
What is the primary goal of gene editing in agriculture?
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Improving crop yield
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Enhancing nutritional value
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Increasing resistance to pests and diseases
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All of the above
D
Correct answer
Explanation
Gene editing in agriculture aims to achieve multiple objectives, including improving crop yield, enhancing nutritional value, increasing resistance to pests and diseases, and creating crops with desirable traits such as drought tolerance or herbicide resistance.