Q. Which of the following is a method used for gene editing? (2021)
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A.
PCR
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B.
CRISPR-Cas9
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C.
Gel electrophoresis
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D.
DNA sequencing
Solution
CRISPR-Cas9 is a revolutionary gene editing technology that allows for precise modifications to DNA.
Correct Answer: B — CRISPR-Cas9
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Q. Which of the following is a method used for the production of genetically modified organisms? (2023)
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A.
Polymerase chain reaction
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B.
Microinjection
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C.
Gel electrophoresis
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D.
Cloning
Solution
Microinjection is a method used to introduce foreign DNA into the cells of an organism, facilitating the creation of genetically modified organisms.
Correct Answer: B — Microinjection
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Q. Which of the following is a method used for the production of monoclonal antibodies? (2022)
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A.
Hybridoma technology
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B.
Gene cloning
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C.
PCR
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D.
DNA sequencing
Solution
Hybridoma technology is the method used for the production of monoclonal antibodies by fusing myeloma cells with specific immune cells.
Correct Answer: A — Hybridoma technology
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Q. Which of the following is a method used for the production of transgenic animals? (2023)
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A.
Microinjection
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B.
Electroporation
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C.
Gene gun
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D.
All of the above
Solution
Microinjection, electroporation, and gene gun techniques are all methods used to produce transgenic animals.
Correct Answer: D — All of the above
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Q. Which of the following is a method used in gene therapy? (2023)
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A.
CRISPR-Cas9
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B.
Polymerase chain reaction
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C.
Gel electrophoresis
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D.
DNA sequencing
Solution
CRISPR-Cas9 is a revolutionary method used for gene editing and is a key tool in gene therapy.
Correct Answer: A — CRISPR-Cas9
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Q. Which of the following is a method used in the production of genetically modified crops? (2020)
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A.
Polymerase chain reaction
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B.
Microinjection
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C.
Electrophoresis
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D.
Chromatography
Solution
Microinjection is a method used to introduce foreign DNA into plant cells to create genetically modified crops.
Correct Answer: B — Microinjection
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Q. Which of the following is a method used in the production of insulin? (2018)
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A.
Fermentation
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B.
Photosynthesis
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C.
Transcription
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D.
Translation
Solution
Insulin is produced using fermentation processes involving genetically modified bacteria that can synthesize insulin.
Correct Answer: A — Fermentation
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Q. Which of the following is a potential risk associated with genetically modified crops? (2021)
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A.
Increased biodiversity
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B.
Development of resistant pests
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C.
Higher nutritional value
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D.
Lower production costs
Solution
One potential risk of genetically modified crops is the development of resistant pests, which can lead to increased agricultural challenges.
Correct Answer: B — Development of resistant pests
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Q. Which of the following is a potential risk associated with the use of biotechnology in agriculture? (2022)
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A.
Increased food production
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B.
Development of resistant pests
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C.
Improved nutritional value
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D.
Lower environmental impact
Solution
One potential risk is the development of resistant pests, which can lead to increased pesticide use.
Correct Answer: B — Development of resistant pests
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Q. Which of the following is a potential risk associated with the use of GMOs? (2019)
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A.
Increased biodiversity
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B.
Development of resistant pests
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C.
Higher nutritional value
-
D.
Lower environmental impact
Solution
A potential risk associated with the use of GMOs is the development of resistant pests, which can lead to increased pesticide use.
Correct Answer: B — Development of resistant pests
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Q. Which of the following is a product of biotechnology used in agriculture? (2019)
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A.
Insulin
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B.
Bt cotton
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C.
Human growth hormone
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D.
Vaccines
Solution
Bt cotton is a genetically modified organism (GMO) that has been engineered to express a bacterial toxin, making it resistant to certain pests.
Correct Answer: B — Bt cotton
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Q. Which of the following is an example of a genetically modified organism used in agriculture? (2023)
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A.
Golden rice
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B.
Organic wheat
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C.
Traditional maize
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D.
Heritage tomatoes
Solution
Golden rice is a genetically modified organism enriched with vitamin A to combat malnutrition.
Correct Answer: A — Golden rice
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Q. Which of the following is an example of a genetically modified organism? (2021)
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A.
Organic tomatoes
-
B.
Bt corn
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C.
Heritage wheat
-
D.
Wild strawberries
Solution
Bt corn is genetically modified to express a bacterial protein that provides resistance to certain pests.
Correct Answer: B — Bt corn
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Q. Which of the following is NOT a benefit of biotechnology in agriculture? (2020)
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A.
Increased crop yield
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B.
Reduced pesticide use
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C.
Enhanced food security
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D.
Higher labor costs
Solution
Higher labor costs are not a benefit of biotechnology; in fact, biotechnology often aims to reduce labor costs through increased efficiency.
Correct Answer: D — Higher labor costs
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Q. Which of the following is NOT a benefit of biotechnology in medicine? (2020)
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A.
Production of monoclonal antibodies
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B.
Development of vaccines
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C.
Creation of synthetic fertilizers
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D.
Gene therapy
Solution
Creation of synthetic fertilizers is not a benefit of biotechnology in medicine; it is related to agricultural biotechnology.
Correct Answer: C — Creation of synthetic fertilizers
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Q. Which of the following is NOT a benefit of genetically modified crops? (2022)
-
A.
Increased yield
-
B.
Reduced pesticide use
-
C.
Enhanced nutritional content
-
D.
Higher cost of production
Solution
Genetically modified crops are generally designed to reduce costs and increase yield, not to increase production costs.
Correct Answer: D — Higher cost of production
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Q. Which of the following is NOT a benefit of genetically modified organisms (GMOs)? (2022)
-
A.
Increased resistance to pests
-
B.
Higher nutritional value
-
C.
Reduced agricultural yield
-
D.
Drought resistance
Solution
Reduced agricultural yield is not a benefit of GMOs; in fact, they are designed to increase yield and resilience.
Correct Answer: C — Reduced agricultural yield
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Q. Which of the following is NOT a benefit of using biotechnology in agriculture? (2022)
-
A.
Reduced pesticide use
-
B.
Increased resistance to diseases
-
C.
Higher production costs
-
D.
Enhanced nutritional content
Solution
Higher production costs are not a benefit of biotechnology; in fact, biotechnology aims to reduce costs.
Correct Answer: C — Higher production costs
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Q. Which of the following is NOT a biotechnological application in medicine? (2022)
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A.
Gene therapy
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B.
Monoclonal antibodies
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C.
Genetic engineering of crops
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D.
Vaccines production
Solution
Genetic engineering of crops is primarily an agricultural application, not a direct medical application.
Correct Answer: C — Genetic engineering of crops
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Q. Which of the following is NOT a product of biotechnology? (2022)
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A.
Antibiotics
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B.
Hormones
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C.
Synthetic fibers
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D.
Fossil fuels
Solution
Fossil fuels are not products of biotechnology; they are natural resources formed from ancient organic matter.
Correct Answer: D — Fossil fuels
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Q. Which of the following techniques is used for the production of genetically modified plants? (2023)
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A.
Polymerase chain reaction
-
B.
Gene cloning
-
C.
Agrobacterium-mediated transformation
-
D.
Electrophoresis
Solution
Agrobacterium-mediated transformation is a common technique used to introduce foreign genes into plant cells.
Correct Answer: C — Agrobacterium-mediated transformation
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Q. Which of the following techniques is used for the production of monoclonal antibodies? (2020)
-
A.
Hybridoma technology
-
B.
Gene editing
-
C.
CRISPR-Cas9
-
D.
Fermentation
Solution
Hybridoma technology is used to produce monoclonal antibodies by fusing myeloma cells with specific B cells.
Correct Answer: A — Hybridoma technology
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