Q. What is gene therapy primarily used for?
-
A.
To treat genetic disorders
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B.
To enhance physical performance
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C.
To create vaccines
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D.
To clone animals
Solution
Gene therapy is primarily used to treat genetic disorders by correcting or replacing defective genes.
Correct Answer:
A
— To treat genetic disorders
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Q. What is the main function of monoclonal antibodies in medicine?
-
A.
To target specific cells for treatment
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B.
To enhance immune response
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C.
To replace damaged tissues
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D.
To diagnose diseases
Solution
Monoclonal antibodies are designed to target specific cells, making them useful in treatments for various diseases, including cancer.
Correct Answer:
A
— To target specific cells for treatment
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Q. What is the primary purpose of recombinant DNA technology?
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A.
To create genetically modified organisms
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B.
To clone human organs
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C.
To produce vaccines
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D.
To enhance photosynthesis
Solution
Recombinant DNA technology is primarily used to create genetically modified organisms by combining DNA from different sources.
Correct Answer:
A
— To create genetically modified organisms
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Q. What is the purpose of bioremediation?
-
A.
To clean up contaminated environments
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B.
To produce biofuels
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C.
To enhance soil fertility
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D.
To create new pharmaceuticals
Solution
Bioremediation is the process of using living organisms to clean up contaminated environments, such as oil spills.
Correct Answer:
A
— To clean up contaminated environments
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Q. What is the role of plasmids in biotechnology?
-
A.
To serve as vectors for gene cloning
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B.
To produce proteins in human cells
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C.
To enhance cellular respiration
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D.
To store genetic information
Solution
Plasmids are used as vectors in biotechnology to carry and replicate foreign DNA in host cells.
Correct Answer:
A
— To serve as vectors for gene cloning
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Q. Which of the following is a benefit of using genetically modified crops?
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A.
Increased resistance to pests
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B.
Higher nutritional value
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C.
Reduced water usage
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D.
All of the above
Solution
Genetically modified crops can provide multiple benefits, including increased resistance to pests, higher nutritional value, and reduced water usage.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common application of CRISPR technology?
-
A.
Gene therapy for genetic disorders
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B.
Production of monoclonal antibodies
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C.
Development of synthetic insulin
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D.
Creation of transgenic plants
Solution
CRISPR technology is commonly used in gene therapy to edit genes associated with genetic disorders.
Correct Answer:
A
— Gene therapy for genetic disorders
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Q. Which of the following is a potential risk of biotechnology?
-
A.
Unintended effects on non-target organisms
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B.
Increased crop yields
-
C.
Improved disease resistance
-
D.
Enhanced food security
Solution
A potential risk of biotechnology is the unintended effects on non-target organisms, which can disrupt ecosystems.
Correct Answer:
A
— Unintended effects on non-target organisms
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Q. Which of the following is NOT a method of gene editing?
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A.
CRISPR-Cas9
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B.
Zinc finger nucleases
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C.
RNA interference
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D.
TALENs
Solution
RNA interference is a method used to regulate gene expression, not a direct gene editing technique like CRISPR or TALENs.
Correct Answer:
C
— RNA interference
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Q. Which technique is used to amplify DNA for analysis?
-
A.
Gel electrophoresis
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B.
Polymerase chain reaction (PCR)
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C.
Sanger sequencing
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D.
Western blotting
Solution
Polymerase chain reaction (PCR) is the technique used to amplify DNA, making it easier to analyze.
Correct Answer:
B
— Polymerase chain reaction (PCR)
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