Biotechnology

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Q. Which enzyme is crucial for converting starches into fermentable sugars in ethanol production?
  • A. Amylase
  • B. Cellulase
  • C. Protease
  • D. Lipase
Q. Which gene transfer method uses Agrobacterium tumefaciens?
  • A. Biolistics
  • B. Agrobacterium-mediated transformation
  • C. Electroporation
  • D. Microinjection
Q. Which ion is crucial for the opening and closing of stomata?
  • A. Calcium
  • B. Potassium
  • C. Sodium
  • D. Magnesium
Q. Which medium is commonly used for plant cell culture?
  • A. Nutrient agar
  • B. Murashige and Skoog medium
  • C. Luria-Bertani broth
  • D. Potato dextrose agar
Q. Which medium is specifically designed for the culture of orchid tissues?
  • A. Murashige and Skoog
  • B. Gamborg's B5
  • C. Orchid medium
  • D. Nitsch and Nitsch
Q. Which of the following antibiotics is a beta-lactam?
  • A. Doxycycline
  • B. Ciprofloxacin
  • C. Penicillin
  • D. Clindamycin
Q. Which of the following antibiotics is classified as a macrolide?
  • A. Ciprofloxacin
  • B. Azithromycin
  • C. Vancomycin
  • D. Amoxicillin
Q. Which of the following antibiotics is contraindicated in pregnancy?
  • A. Amoxicillin
  • B. Ciprofloxacin
  • C. Clindamycin
  • D. Erythromycin
Q. Which of the following conditions may be aggravated by excessive vinegar consumption?
  • A. Diabetes
  • B. Gastroesophageal reflux disease (GERD)
  • C. Hypertension
  • D. Anemia
Q. Which of the following crops can be propagated using synthetic seeds?
  • A. Wheat
  • B. Rice
  • C. Tomato
  • D. All of the above
Q. Which of the following diseases can be treated with monoclonal antibodies?
  • A. Diabetes
  • B. Asthma
  • C. Rheumatoid arthritis
  • D. Hypertension
Q. Which of the following is a benefit of recycling?
  • A. Increased landfill waste
  • B. Conservation of natural resources
  • C. Higher energy consumption
  • D. More pollution
Q. Which of the following is a characteristic of monoclonal antibodies?
  • A. They are polyclonal
  • B. They are specific to a single epitope
  • C. They are produced by multiple cell lines
  • D. They have a short half-life
Q. Which of the following is a common application of biochips?
  • A. Blood glucose monitoring
  • B. DNA sequencing
  • C. Protein synthesis
  • D. Cell culture
Q. Which of the following is a common application of gene transfer in plants?
  • A. Improving drought resistance
  • B. Enhancing flavor
  • C. Increasing yield
  • D. All of the above
Q. Which of the following is a common contaminant in animal cell cultures?
  • A. Fungi
  • B. Bacteria
  • C. Mycoplasma
  • D. All of the above
Q. Which of the following is a common feedstock for second-generation ethanol production?
  • A. Corn starch
  • B. Sugarcane
  • C. Cellulosic biomass
  • D. Barley malt
Q. Which of the following is a common health effect of air pollution?
  • A. Increased bone density
  • B. Respiratory diseases
  • C. Improved cardiovascular health
  • D. Enhanced immune response
Q. Which of the following is a common method for creating transgenic plants?
  • A. Gene editing using CRISPR
  • B. Traditional crossbreeding
  • C. Hydroponics
  • D. Soil amendment
Q. Which of the following is a common method for initiating plant cell culture?
  • A. Seed germination
  • B. Cutting and grafting
  • C. Tissue explantation
  • D. Soil planting
Q. Which of the following is a common method for plant genetic transformation?
  • A. Microinjection
  • B. Electroporation
  • C. Agrobacterium-mediated transformation
  • D. All of the above
Q. Which of the following is a common method for plant tissue culture?
  • A. Micropropagation
  • B. Hydroponics
  • C. Aeroponics
  • D. Xeriscaping
Q. Which of the following is a common method for synthesizing therapeutic agents?
  • A. Biotransformation
  • B. Polymerization
  • C. Hydrolysis
  • D. Electrolysis
Q. Which of the following is a common selectable marker used in plant gene transfer?
  • A. Kanamycin resistance
  • B. Ampicillin resistance
  • C. Tetracycline resistance
  • D. Streptomycin resistance
Q. Which of the following is a common source of citric acid?
  • A. Lemons
  • B. Vinegar
  • C. Honey
  • D. Salt
Q. Which of the following is a common source of explants for plant cell culture?
  • A. Roots
  • B. Leaves
  • C. Seeds
  • D. All of the above
Q. Which of the following is a common type of cloning vector?
  • A. Plasmids
  • B. Ribosomes
  • C. Chromosomes
  • D. Nucleotides
Q. Which of the following is a common type of medium used for animal cell culture?
  • A. Nutrient agar
  • B. Luria-Bertani broth
  • C. Dulbecco's Modified Eagle Medium (DMEM)
  • D. Potato dextrose agar
Q. Which of the following is a common use of citric acid in food preservation?
  • A. Enhancing flavor
  • B. Coloring agent
  • C. pH adjustment
  • D. Sweetening agent
Q. Which of the following is a common use of monoclonal antibodies in cancer treatment?
  • A. Chemotherapy
  • B. Radiation therapy
  • C. Targeted therapy
  • D. Surgery
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