Q. Which of the following is a method used for cloning in plants? (2022)
A.
Micropropagation
B.
Electroporation
C.
Transfection
D.
PCR
Show solution
Solution
Micropropagation is a method used for cloning plants by growing them from small tissue samples in a controlled environment.
Correct Answer:
A
— Micropropagation
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Q. Which of the following is a method used for gene cloning? (2023)
A.
PCR
B.
Gel electrophoresis
C.
DNA sequencing
D.
All of the above
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Solution
PCR (Polymerase Chain Reaction) is a method used for amplifying DNA, which is essential in gene cloning.
Correct Answer:
A
— PCR
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Q. Which of the following is a method used for gene editing? (2021)
A.
PCR
B.
CRISPR-Cas9
C.
Gel electrophoresis
D.
DNA sequencing
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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)
A.
Polymerase chain reaction
B.
Microinjection
C.
Gel electrophoresis
D.
Cloning
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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 insulin? (2022)
A.
Fermentation
B.
Transcription
C.
Translation
D.
Photosynthesis
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Solution
Insulin is produced using fermentation processes involving genetically modified bacteria that express the insulin gene.
Correct Answer:
A
— Fermentation
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Q. Which of the following is a method used for the production of monoclonal antibodies? (2022)
A.
Hybridoma technology
B.
Gene cloning
C.
PCR
D.
DNA sequencing
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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)
A.
Microinjection
B.
Electroporation
C.
Gene gun
D.
All of the above
Show solution
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)
A.
CRISPR-Cas9
B.
Polymerase chain reaction
C.
Gel electrophoresis
D.
DNA sequencing
Show solution
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)
A.
Polymerase chain reaction
B.
Microinjection
C.
Electrophoresis
D.
Chromatography
Show solution
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)
A.
Fermentation
B.
Photosynthesis
C.
Transcription
D.
Translation
Show solution
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)
A.
Increased biodiversity
B.
Development of resistant pests
C.
Higher nutritional value
D.
Lower production costs
Show solution
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)
A.
Increased food production
B.
Development of resistant pests
C.
Improved nutritional value
D.
Lower environmental impact
Show solution
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)
A.
Increased biodiversity
B.
Development of resistant pests
C.
Higher nutritional value
D.
Lower environmental impact
Show solution
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)
A.
Insulin
B.
Bt cotton
C.
Human growth hormone
D.
Vaccines
Show solution
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)
A.
Golden rice
B.
Organic wheat
C.
Traditional maize
D.
Heritage tomatoes
Show solution
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)
A.
Organic tomatoes
B.
Bt corn
C.
Heritage wheat
D.
Wild strawberries
Show solution
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)
A.
Increased crop yield
B.
Reduced pesticide use
C.
Enhanced food security
D.
Higher labor costs
Show solution
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)
A.
Production of monoclonal antibodies
B.
Development of vaccines
C.
Creation of synthetic fertilizers
D.
Gene therapy
Show solution
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
Show solution
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
Show solution
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
Show solution
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)
A.
Gene therapy
B.
Monoclonal antibodies
C.
Genetic engineering of crops
D.
Vaccines production
Show solution
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 biotechnological application? (2022)
A.
Bioremediation
B.
Gene therapy
C.
Traditional farming
D.
Production of biofuels
Show solution
Solution
Traditional farming does not involve biotechnological methods, while the other options are applications of biotechnology.
Correct Answer:
C
— Traditional farming
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Q. Which of the following is NOT a product of biotechnology? (2022)
A.
Antibiotics
B.
Hormones
C.
Synthetic fibers
D.
Fossil fuels
Show solution
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)
A.
Polymerase chain reaction
B.
Gene cloning
C.
Agrobacterium-mediated transformation
D.
Electrophoresis
Show solution
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
Show solution
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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Showing 61 to 86 of 86 (3 Pages)
Biotechnology - Biotech Applications MCQ & Objective Questions
Understanding "Biotechnology - Biotech Applications" is crucial for students preparing for various exams. This topic not only plays a significant role in school syllabi but is also a key area in competitive exams. Practicing MCQs and objective questions helps reinforce concepts, making it easier to score better in exams. By engaging with practice questions, students can identify important questions and enhance their exam preparation effectively.
What You Will Practise Here
Key concepts of genetic engineering and its applications.
Techniques in biotechnology such as PCR and gel electrophoresis.
Understanding recombinant DNA technology.
Applications of biotechnology in agriculture and medicine.
Important definitions and terminologies in biotech applications.
Diagrams illustrating biotechnological processes.
Case studies showcasing real-world biotech applications.
Exam Relevance
The topic of "Biotechnology - Biotech Applications" frequently appears in CBSE, State Boards, and competitive exams like NEET and JEE. Students can expect questions that assess their understanding of fundamental concepts, practical applications, and recent advancements in biotechnology. Common question patterns include multiple-choice questions that test both theoretical knowledge and application-based scenarios.
Common Mistakes Students Make
Confusing the processes of genetic engineering with traditional breeding methods.
Misunderstanding the applications of biotechnology in different fields.
Overlooking the importance of diagrams in explaining biotechnological processes.
Failing to grasp the ethical implications of biotechnological advancements.
FAQs
Question: What are some key applications of biotechnology in agriculture?Answer: Biotechnology is used in agriculture for developing genetically modified organisms (GMOs), improving crop resistance to pests, and enhancing nutritional content.
Question: How does PCR work in biotechnology?Answer: PCR, or Polymerase Chain Reaction, is a technique used to amplify specific DNA sequences, making it easier to study genetic material.
Ready to boost your understanding of biotechnology? Start solving practice MCQs today to test your knowledge and prepare effectively for your exams!