Biochemical Engineering

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Q. What type of fermentation is primarily anaerobic?
  • A. Lactic acid fermentation
  • B. Alcoholic fermentation
  • C. Acetic acid fermentation
  • D. All of the above
Q. Which chemical is commonly added to drinking water to prevent tooth decay?
  • A. Chlorine
  • B. Fluoride
  • C. Sodium
  • D. Calcium
Q. Which downstream processing step is typically performed last?
  • A. Filtration
  • B. Chromatography
  • C. Formulation
  • D. Lyophilization
Q. Which enzyme is commonly used in the treatment of pancreatitis?
  • A. Amylase
  • B. Lipase
  • C. Trypsin
  • D. Chymotrypsin
Q. Which enzyme is responsible for breaking down lactose into glucose and galactose?
  • A. Amylase
  • B. Lactase
  • C. Protease
  • D. Lipase
Q. Which factor does NOT affect enzyme activity?
  • A. Temperature
  • B. pH
  • C. Substrate concentration
  • D. Color of the enzyme
Q. Which factor does NOT affect the viscosity of blood?
  • A. Temperature
  • B. Hematocrit level
  • C. Blood vessel length
  • D. Plasma protein concentration
Q. Which factor does NOT significantly affect fermentation rate?
  • A. Temperature
  • B. pH
  • C. Oxygen concentration
  • D. Color of the substrate
Q. Which law describes the relationship between pressure, volume, and flow rate in a fluid?
  • A. Bernoulli's principle
  • B. Ohm's law
  • C. Poiseuille's law
  • D. Fick's law
Q. Which method is commonly used for sterilizing surgical instruments?
  • A. Boiling water
  • B. Chemical disinfection
  • C. Autoclaving
  • D. Ultraviolet light
Q. Which method is effective for removing pathogens from water?
  • A. Boiling
  • B. Fluoridation
  • C. Chlorination
  • D. Both boiling and chlorination
Q. Which microorganism is commonly used in alcoholic fermentation?
  • A. Escherichia coli
  • B. Saccharomyces cerevisiae
  • C. Lactobacillus
  • D. Bacillus subtilis
Q. Which of the following conditions can lead to increased blood viscosity?
  • A. Dehydration
  • B. Hyperhydration
  • C. Low hematocrit
  • D. Increased temperature
Q. Which of the following conditions may require increased aeration?
  • A. Hypertension
  • B. Asthma
  • C. Diabetes
  • D. Anemia
Q. Which of the following factors can affect enzyme activity?
  • A. pH levels
  • B. Temperature
  • C. Substrate concentration
  • D. All of the above
Q. Which of the following is a byproduct of alcoholic fermentation?
  • A. Lactic acid
  • B. Ethanol
  • C. Acetic acid
  • D. Carbon dioxide
Q. Which of the following is a common application of enzymes in industry?
  • A. Baking
  • B. Textile processing
  • C. Biofuel production
  • D. All of the above
Q. Which of the following is a common challenge in downstream processing?
  • A. High product yield
  • B. Contamination
  • C. Low operational costs
  • D. Rapid processing times
Q. Which of the following is a common indicator of water quality?
  • A. pH level
  • B. Color
  • C. Temperature
  • D. All of the above
Q. Which of the following is a common method for enzyme immobilization?
  • A. Gel filtration
  • B. Covalent bonding
  • C. Dialysis
  • D. Precipitation
Q. Which of the following is a common method for immobilizing enzymes in biochemical processes?
  • A. Gel filtration
  • B. Affinity chromatography
  • C. Covalent bonding
  • D. Ultrafiltration
Q. Which of the following is a common method for protein concentration?
  • A. Dialysis
  • B. Ultrafiltration
  • C. Lyophilization
  • D. Precipitation
Q. Which of the following is a common method of aeration in medical procedures?
  • A. Ultrasonic nebulization
  • B. Manual ventilation
  • C. Oxygen therapy
  • D. Suctioning
Q. Which of the following is a common substrate used in fermentation?
  • A. Glucose
  • B. Oxygen
  • C. Nitrogen
  • D. Carbon dioxide
Q. Which of the following is a disadvantage of immobilized enzymes?
  • A. Increased stability
  • B. Higher operational costs
  • C. Reduced enzyme activity
  • D. Easier handling
Q. Which of the following is a key factor in optimizing fermentation processes?
  • A. Temperature control
  • B. pH adjustment
  • C. Nutrient supply
  • D. All of the above
Q. Which of the following is a sign of inadequate aeration?
  • A. Increased heart rate
  • B. Cyanosis
  • C. Elevated blood pressure
  • D. Improved lung sounds
Q. Which of the following is an example of a coenzyme?
  • A. Zinc
  • B. Magnesium
  • C. NAD+
  • D. Calcium
Q. Which of the following is NOT a common application of fermentation reactors?
  • A. Beer production
  • B. Insulin production
  • C. Plastic manufacturing
  • D. Yogurt production
Q. Which of the following is NOT a factor affecting the activity of immobilized enzymes?
  • A. pH
  • B. Temperature
  • C. Enzyme concentration
  • D. Support material
Showing 61 to 90 of 103 (4 Pages)
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