Biotechnology

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Q. Which of the following is a disadvantage of using gene guns for plant transformation?
  • A. Low transformation efficiency
  • B. Requires specific plant species
  • C. Limited to monocots
  • D. Expensive equipment
Q. Which of the following is a key benefit of genetically modified crops?
  • A. Increased pesticide use
  • B. Higher crop yields
  • C. Reduced nutritional value
  • D. Longer growing seasons
Q. Which of the following is a key component of synthetic seeds?
  • A. Natural soil
  • B. Plant tissue culture
  • C. Chemical fertilizers
  • D. Pesticides
Q. Which of the following is a key consideration in the synthesis of therapeutic agents?
  • A. Cost of raw materials
  • B. Environmental impact
  • C. Scalability of the process
  • D. All of the above
Q. Which of the following is a key factor in maintaining the viability of cultured animal cells?
  • A. Temperature control
  • B. High oxygen levels
  • C. Low humidity
  • D. Excessive nutrient concentration
Q. Which of the following is a mechanism of nutrient uptake in plant roots?
  • A. Facilitated diffusion
  • B. Endocytosis
  • C. Active transport
  • D. All of the above
Q. Which of the following is a method for introducing foreign DNA into animal cells?
  • A. Electroporation
  • B. Microinjection
  • C. Viral vectors
  • D. All of the above
Q. Which of the following is a method of creating genetically modified plants?
  • A. Selective breeding
  • B. Hybridization
  • C. Gene cloning
  • D. All of the above
Q. Which of the following is a method to enhance the solubility of therapeutic agents?
  • A. Salt formation
  • B. Changing the pH
  • C. Increasing temperature
  • D. Decreasing particle size
Q. Which of the following is a method used for DNA sequencing?
  • A. Polymerase chain reaction
  • B. Gel electrophoresis
  • C. Sanger sequencing
  • D. All of the above
Q. Which of the following is a method used to introduce special proteins into crops?
  • A. Traditional breeding
  • B. Gene editing
  • C. Crop rotation
  • D. Soil amendment
Q. Which of the following is a potential ethical concern regarding transgenic animals?
  • A. Increased food production
  • B. Animal welfare issues
  • C. Improved disease resistance
  • D. Enhanced growth rates
Q. Which of the following is a potential risk of genetically modified crops?
  • A. Increased biodiversity
  • B. Development of resistant pests
  • C. Higher crop yields
  • D. Improved food security
Q. Which of the following is a potential side effect of consuming citric acid in large amounts?
  • A. Tooth enamel erosion
  • B. Increased energy
  • C. Improved digestion
  • D. Weight loss
Q. Which of the following is an example of a monoclonal antibody?
  • A. Adalimumab
  • B. Ibuprofen
  • C. Aspirin
  • D. Metformin
Q. Which of the following is NOT a benefit of plant cell culture?
  • A. Disease-free plant production
  • B. Rapid multiplication of plants
  • C. Increased genetic diversity
  • D. Conservation of endangered species
Q. Which of the following is NOT a characteristic of a good cloning vector?
  • A. High copy number
  • B. Large size
  • C. Multiple cloning sites
  • D. Selectable markers
Q. Which of the following is NOT a characteristic of adherent cell cultures?
  • A. Cells grow attached to a surface
  • B. Cells can be easily passaged
  • C. Cells grow in suspension
  • D. Cells require a substrate for attachment
Q. Which of the following is NOT a common application of vectors in animal cell culture?
  • A. Gene expression studies
  • B. Protein production
  • C. Cellular metabolism analysis
  • D. Gene therapy
Q. Which of the following is NOT a method for introducing recombinant DNA into host cells?
  • A. Electroporation
  • B. Microinjection
  • C. Transformation
  • D. Natural selection
Q. Which of the following is NOT a method of introducing foreign DNA into plant cells?
  • A. Agrobacterium-mediated transformation
  • B. Gene gun (biolistics)
  • C. Electroporation
  • D. Natural selection
Q. Which of the following is NOT a type of biochip?
  • A. DNA microarray
  • B. Protein microarray
  • C. RNA sequencing chip
  • D. Glucose meter
Q. Which of the following is NOT a typical component of plant tissue culture media?
  • A. Mineral salts
  • B. Vitamins
  • C. Antibiotics
  • D. Proteins
Q. Which of the following is NOT a use of vinegar in cooking?
  • A. Marinades
  • B. Pickling
  • C. Baking soda neutralization
  • D. Thickening agent
Q. Which of the following practices can help reduce water pollution?
  • A. Using pesticides excessively
  • B. Properly disposing of hazardous waste
  • C. Dumping chemicals in rivers
  • D. Overusing fertilizers
Q. Which of the following techniques is commonly used to analyze chromosomes?
  • A. PCR
  • B. Karyotyping
  • C. Gel electrophoresis
  • D. Western blotting
Q. Which of the following traits can be introduced into transgenic plants?
  • A. Herbicide resistance
  • B. Increased susceptibility to diseases
  • C. Reduced growth rate
  • D. Lower nutritional content
Q. Which of the following traits is often targeted for improvement through plant breeding?
  • A. Disease resistance
  • B. Nutritional content
  • C. Drought tolerance
  • D. All of the above
Q. Which of the following vectors can carry the largest DNA inserts?
  • A. Plasmid vectors
  • B. Viral vectors
  • C. Bacterial artificial chromosomes
  • D. Cosmids
Q. Which organism is commonly used as a model in genetic studies due to its simple genome?
  • A. Escherichia coli
  • B. Homo sapiens
  • C. Mus musculus
  • D. Drosophila melanogaster
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