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 biotechnology technique involves the use of microorganisms to produce valuable substances?
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Genetic engineering
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Fermentation
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Pasteurization
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Sterilization
B
Correct answer
Explanation
Fermentation utilizes microorganisms to convert raw materials into valuable substances like alcohol, acids, and antibiotics.
What is the primary goal of genetic engineering in food production?
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To increase crop yield
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To improve nutritional value
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To enhance resistance to pests and diseases
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All of the above
D
Correct answer
Explanation
Genetic engineering aims to achieve multiple goals in food production, including increasing crop yield, improving nutritional value, and enhancing resistance to pests and diseases.
Which genetically modified crop is known for its resistance to certain insects?
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Golden rice
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Bt cotton
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Roundup Ready soybeans
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Flavr Savr tomato
B
Correct answer
Explanation
Bt cotton is a genetically modified crop that expresses a protein derived from the bacterium Bacillus thuringiensis, providing resistance against certain insect pests.
Which genetically modified crop is known for its enhanced nutritional value, specifically increased beta-carotene content?
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Golden rice
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Bt cotton
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Roundup Ready soybeans
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Flavr Savr tomato
A
Correct answer
Explanation
Golden rice is a genetically modified crop that has been engineered to produce beta-carotene, a precursor of vitamin A, addressing vitamin A deficiency in certain regions.
What is the primary concern associated with the use of genetically modified crops?
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Potential for allergenicity
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Gene transfer to wild relatives
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Development of resistant pests
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All of the above
D
Correct answer
Explanation
Concerns associated with genetically modified crops include potential for allergenicity, gene transfer to wild relatives, and development of resistant pests.
Which technology is being used to develop new varieties of fruit with improved traits?
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Gene editing
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Artificial intelligence
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Blockchain
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3D printing
A
Correct answer
Explanation
Gene editing techniques, such as CRISPR-Cas9, are being used to modify the DNA of fruit plants to improve their traits, such as resistance to pests and diseases, drought tolerance, and nutritional value.
What is the term used to describe the process of conserving genetic diversity within a species?
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Genetic Conservation
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Genetic Engineering
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Genetic Modification
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Genetic Diversity
A
Correct answer
Explanation
Genetic conservation involves preserving the genetic diversity within a species to maintain its adaptive potential and resilience.
What are some of the emerging technologies that are likely to have a significant impact on food production in the future?
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Precision agriculture
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Vertical farming
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Gene editing
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All of the above
D
Correct answer
Explanation
Precision agriculture, vertical farming, and gene editing are all emerging technologies that are likely to have a significant impact on food production in the future.
Which ethical issue is concerned with the moral implications of using genetic engineering and other technologies to modify human beings?
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Environmental Ethics
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Bioethics
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Social Justice
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Animal Rights
B
Correct answer
Explanation
Bioethics is concerned with the moral implications of using biological and medical technologies, including genetic engineering. It focuses on issues such as the ethical use of stem cells, the modification of human embryos, and the allocation of scarce medical resources.
Which ethical issue is concerned with the moral implications of using genetic engineering to modify human beings?
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Environmental Ethics
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Bioethics
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Social Justice
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Technology Ethics
B
Correct answer
Explanation
Bioethics is concerned with the moral implications of using genetic engineering to modify human beings. It focuses on issues such as the ethical use of genetic engineering, the potential risks and benefits of genetic modification, and the impact of genetic engineering on society.
What is the term for the use of engineering principles to design and construct biological systems?
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Bioengineering
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Synthetic biology
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Genetic engineering
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Biotechnology
B
Correct answer
Explanation
Synthetic biology is the field of engineering that focuses on the design and construction of biological systems, often using genetic engineering techniques.
What is the term for the use of engineering principles to design and construct biological systems?
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Bioengineering
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Synthetic biology
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Genetic engineering
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Biotechnology
B
Correct answer
Explanation
Synthetic biology is the field of engineering that focuses on the design and construction of biological systems, often using genetic engineering techniques.
Which of the following is an example of a bioengineered industrial application?
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Biofuels
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Bioremediation
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Bioplastics
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All of the above
D
Correct answer
Explanation
Bioengineered industrial applications include biofuels, bioremediation, bioplastics, and many other applications that use biological systems to solve problems in industry.
What is the term for the use of engineering principles to design and construct biological systems?
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Bioengineering
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Synthetic biology
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Genetic engineering
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Biotechnology
B
Correct answer
Explanation
Synthetic biology is the field of engineering that focuses on the design and construction of biological systems, often using genetic engineering techniques.
What is the term for the use of engineering principles to design and construct biological systems?
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Bioengineering
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Synthetic biology
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Genetic engineering
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Biotechnology
B
Correct answer
Explanation
Synthetic biology is the field of engineering that focuses on the design and construction of biological systems, often using genetic engineering techniques.