Biotechnology

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Q. What is the significance of the CRISPR-Cas9 technology in plant genetics?
  • A. It allows for the cloning of plants
  • B. It enables precise gene editing
  • C. It increases plant growth rate
  • D. It enhances photosynthetic efficiency
Q. What is the significance of the nitrogen cycle in ecosystems?
  • A. It helps in energy transfer
  • B. It recycles nutrients
  • C. It increases carbon dioxide levels
  • D. It reduces soil acidity
Q. What is the significance of the polymerase chain reaction (PCR) in recombinant DNA technology?
  • A. It cuts DNA into fragments
  • B. It amplifies specific DNA sequences
  • C. It joins DNA fragments
  • D. It sequences DNA
Q. What is the term for animals that have had their genome altered by the transfer of a gene from another species?
  • A. Cloned animals
  • B. Transgenic animals
  • C. Hybrid animals
  • D. Genetically modified organisms
Q. What is the term for the process of creating genetically modified animals?
  • A. Cloning
  • B. Transgenesis
  • C. Selective breeding
  • D. Hybridization
Q. What is the term for the process of growing plant cells in a controlled environment?
  • A. Hydroponics
  • B. Tissue culture
  • C. Aeroponics
  • D. Xenobiotics
Q. What is the typical alcohol content of fermented beverages produced through ethanol fermentation?
  • A. 1-5%
  • B. 5-15%
  • C. 15-25%
  • D. 25-40%
Q. What is the typical concentration of acetic acid in household vinegar?
  • A. 5-20%
  • B. 1-3%
  • C. 30-50%
  • D. 50-70%
Q. What is the typical pH range for animal cell culture media?
  • A. 4.0 - 5.0
  • B. 6.5 - 7.5
  • C. 8.0 - 9.0
  • D. 10.0 - 11.0
Q. What phase of the cell cycle is characterized by DNA replication?
  • A. G1 phase
  • B. S phase
  • C. G2 phase
  • D. M phase
Q. What regulatory body typically oversees the approval of transgenic plants?
  • A. Environmental Protection Agency (EPA)
  • B. Food and Drug Administration (FDA)
  • C. United States Department of Agriculture (USDA)
  • D. All of the above
Q. What role do enzymes play in the synthesis of therapeutic agents?
  • A. They act as catalysts
  • B. They inhibit reactions
  • C. They are the final product
  • D. They are not involved
Q. What role does agar play in plant cell culture media?
  • A. Nutrient source
  • B. pH stabilizer
  • C. Solidifying agent
  • D. Growth regulator
Q. What role does the T-DNA region play in Agrobacterium-mediated gene transfer?
  • A. It carries the gene of interest
  • B. It provides antibiotic resistance
  • C. It facilitates cell division
  • D. It enhances photosynthesis
Q. What type of biosensor uses an enzyme as the bioreceptor?
  • A. Immunosensor
  • B. Enzyme-based biosensor
  • C. DNA biosensor
  • D. Electrochemical biosensor
Q. What type of immune response do monoclonal antibodies primarily elicit?
  • A. Innate immune response
  • B. Adaptive immune response
  • C. Inflammatory response
  • D. Autoimmune response
Q. Which animal is commonly used as a model organism in genetic studies?
  • A. Dog
  • B. Mouse
  • C. Cat
  • D. Horse
Q. Which animal is most commonly used for transgenic research?
  • A. Dogs
  • B. Cats
  • C. Mice
  • D. Rabbits
Q. Which antibiotic is effective against anaerobic bacteria?
  • A. Cefazolin
  • B. Metronidazole
  • C. Amoxicillin
  • D. Azithromycin
Q. Which antibiotic is often used to treat MRSA infections?
  • A. Ceftriaxone
  • B. Clindamycin
  • C. Amoxicillin
  • D. Gentamicin
Q. Which biotechnology technique is used to amplify small segments of DNA?
  • A. Gene cloning
  • B. PCR (Polymerase Chain Reaction)
  • C. DNA sequencing
  • D. Electrophoresis
Q. Which checkpoint is crucial for preventing the division of cells with damaged DNA?
  • A. G1 checkpoint
  • B. S checkpoint
  • C. G2 checkpoint
  • D. M checkpoint
Q. Which component in wine is primarily responsible for its antioxidant properties?
  • A. Tannins
  • B. Sugars
  • C. Acids
  • D. Alcohol
Q. Which component is commonly added to plant tissue culture media to promote shoot regeneration?
  • A. Agar
  • B. Cytokinins
  • C. Sucrose
  • D. Gibberellins
Q. Which component of a biosensor is responsible for the recognition of the target analyte?
  • A. Transducer
  • B. Bioreceptor
  • C. Signal processor
  • D. Display unit
Q. Which disorder involves a fear of social situations?
  • A. Agoraphobia
  • B. Social anxiety disorder
  • C. Specific phobia
  • D. Generalized anxiety disorder
Q. Which disorder is characterized by a fear of being in situations where escape might be difficult?
  • A. Panic disorder
  • B. Agoraphobia
  • C. Social anxiety disorder
  • D. Specific phobia
Q. Which disorder is characterized by episodes of extreme mood swings?
  • A. Bipolar disorder
  • B. Major depressive disorder
  • C. Anxiety disorder
  • D. Schizophrenia
Q. Which disorder is characterized by excessive worry about various aspects of life?
  • A. Panic disorder
  • B. Generalized anxiety disorder
  • C. Social anxiety disorder
  • D. Post-traumatic stress disorder
Q. Which enzyme is commonly used to insert DNA fragments into cloning vectors?
  • A. Ligase
  • B. Polymerase
  • C. Restriction enzyme
  • D. Helicase
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