Biotechnology

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Q. What is the primary fermentation process used in beer production?
  • A. Malolactic fermentation
  • B. Lactic acid fermentation
  • C. Alcoholic fermentation
  • D. Acetic acid fermentation
Q. What is the primary function of a biosensor?
  • A. To amplify biological signals
  • B. To detect specific biological analytes
  • C. To store genetic information
  • D. To synthesize proteins
Q. What is the primary function of a cloning vector?
  • A. To amplify DNA sequences
  • B. To degrade RNA
  • C. To synthesize proteins
  • D. To inhibit gene expression
Q. What is the primary function of chromosomes in animal cells?
  • A. Energy production
  • B. Protein synthesis
  • C. Genetic information storage
  • D. Cellular respiration
Q. What is the primary function of the gene R gene in plants?
  • A. To promote flowering
  • B. To confer disease resistance
  • C. To enhance photosynthesis
  • D. To increase root growth
Q. What is the primary function of the root system in plants?
  • A. Photosynthesis
  • B. Nutrient absorption
  • C. Reproduction
  • D. Support and structure
Q. What is the primary goal of biofortification in plant biotechnology?
  • A. To improve the aesthetic value of crops
  • B. To enhance the nutritional content of food crops
  • C. To increase the shelf life of fruits
  • D. To reduce water usage in agriculture
Q. What is the primary goal of the Montreal Protocol?
  • A. To reduce carbon emissions
  • B. To phase out ozone-depleting substances
  • C. To promote renewable energy
  • D. To improve water quality
Q. What is the primary health risk associated with excessive alcohol consumption?
  • A. Diabetes
  • B. Liver disease
  • C. Hypertension
  • D. Osteoporosis
Q. What is the primary mechanism by which vinegar may aid in weight loss?
  • A. Increased metabolism
  • B. Appetite suppression
  • C. Fat absorption
  • D. Muscle gain
Q. What is the primary mechanism of action of monoclonal antibodies?
  • A. Inhibition of DNA replication
  • B. Blocking specific antigens
  • C. Enhancing T-cell activation
  • D. Stimulating cytokine production
Q. What is the primary mechanism of action of penicillin?
  • A. Inhibition of protein synthesis
  • B. Disruption of cell wall synthesis
  • C. Inhibition of nucleic acid synthesis
  • D. Inhibition of folic acid synthesis
Q. What is the primary method of ethanol production from sugarcane?
  • A. Fermentation
  • B. Distillation
  • C. Hydrolysis
  • D. Gasification
Q. What is the primary method used for gene transfer in plants?
  • A. Agrobacterium-mediated transformation
  • B. Electroporation
  • C. Microinjection
  • D. Viral vectors
Q. What is the primary microorganism used in the fermentation process for ethanol production?
  • A. Bacillus subtilis
  • B. Saccharomyces cerevisiae
  • C. Escherichia coli
  • D. Lactobacillus acidophilus
Q. What is the primary purpose of creating transgenic animals?
  • A. To enhance their physical appearance
  • B. To produce proteins for medical use
  • C. To increase their lifespan
  • D. To improve their natural habitat
Q. What is the primary purpose of distillation in ethanol production?
  • A. To increase sugar concentration
  • B. To separate ethanol from water and other components
  • C. To enhance fermentation efficiency
  • D. To reduce carbon emissions
Q. What is the primary purpose of drug synthesis in pharmacology?
  • A. To create new chemical compounds
  • B. To improve drug efficacy
  • C. To reduce side effects
  • D. All of the above
Q. What is the primary purpose of Murashige and Skoog (MS) medium in plant cell culture?
  • A. To provide a source of vitamins
  • B. To supply essential macro and micronutrients
  • C. To enhance cell division
  • D. To promote root development
Q. What is the primary purpose of plant biotechnology?
  • A. To enhance crop yield and resistance
  • B. To create ornamental plants
  • C. To produce biofuels
  • D. To develop pharmaceuticals
Q. What is the primary purpose of plant cell culture?
  • A. To produce genetically identical plants
  • B. To enhance soil fertility
  • C. To increase crop yield in fields
  • D. To create hybrid seeds
Q. What is the primary purpose of the Clean Air Act?
  • A. To regulate water pollution
  • B. To control air pollution
  • C. To manage hazardous waste
  • D. To protect endangered species
Q. What is the primary purpose of using animal cell culture in research?
  • A. To study cellular processes in a controlled environment
  • B. To produce large quantities of bacteria
  • C. To create genetically modified plants
  • D. To synthesize inorganic compounds
Q. What is the primary purpose of using molecular markers in plant breeding?
  • A. To increase yield
  • B. To identify genetic diversity
  • C. To track inheritance of traits
  • D. To enhance flavor
Q. What is the primary purpose of using vectors in animal cell culture?
  • A. To enhance cell growth
  • B. To introduce foreign DNA
  • C. To provide nutrients
  • D. To increase cell size
Q. What is the primary role of nitrogen fixation in plants?
  • A. To convert atmospheric nitrogen into a usable form
  • B. To produce glucose during photosynthesis
  • C. To absorb sunlight for energy
  • D. To release oxygen into the atmosphere
Q. What is the primary role of special proteins in crop improvement?
  • A. Enhancing photosynthesis
  • B. Increasing resistance to pests
  • C. Improving soil quality
  • D. Boosting water retention
Q. What is the primary type of alcohol found in beer and wine?
  • A. Methanol
  • B. Ethanol
  • C. Isopropanol
  • D. Butanol
Q. What is the primary use of vancomycin?
  • A. Treating viral infections
  • B. Treating gram-negative infections
  • C. Treating gram-positive infections
  • D. Treating fungal infections
Q. What is the process by which plants convert light energy into chemical energy?
  • A. Respiration
  • B. Photosynthesis
  • C. Transpiration
  • D. Fermentation
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