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Safety Biotech

Safety Biotech. Question 1 - 10. What microscope is MOST often used in high school agricultural research labs?. Answer 1 – 10. Compound light microscope. Question 1 - 20.

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Safety Biotech

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  1. Safety Biotech

  2. Question 1 - 10 • What microscope is MOST often used in high school agricultural research labs?

  3. Answer 1 – 10 • Compound light microscope

  4. Question 1 - 20 • Emmanuel is testing for the presence of bacteria on the tea dispensers in a high school cafeteria. Which item will he use to conduct the test? • Shaker • Centrifuge • Incubator • Water Bath

  5. Answer 1 – 20 • Incubator

  6. Question 1 - 30 • When using the micropipette she should be careful to make certain that the tip of the pipette________?

  7. Answer 1 – 30 • Stays completely submerged in the fluid

  8. Question 1 - 40 • Mike reads the lowest part of the curve found at the water level in a graduated cylinder to determine the___________?

  9. Answer 1 – 40 • Volume of liquid

  10. Question 1 - 50 • An instrument used to gradually warm biological materials and maintain constant warm temperature for short periods of time with little or no damage to material is a ____?

  11. Answer 1 – 50 • Water Bath

  12. Question 2 - 10 • What is the meniscus?

  13. Answer 2 – 10 • Lowest part of the curve found at the water level

  14. Question 2 - 20 • Which piece of lab equipment applies direct heat to glassware containing solutions and sometimes contains a magnetic spinner?

  15. Answer 2 – 20 • Hot Plate

  16. Question 2 - 30 • What are Micropipettes used to measure?

  17. Answer 2 – 30 • Small amounts of solutions

  18. Question 2 - 40 • When pouring chemicals or solutions into glassware, how do you minimizes the risk of accidents?

  19. Answer 2 – 40 • Slowly resting one container on the rim of the other.

  20. Question 2 - 50 • What does MSDS stand for?

  21. Answer 2 – 50 • Material Safety Data Sheet

  22. Question 3 - 10 • Why when diluting acids or creating chemical solutions, is it important to slowly add the acid into cool water?

  23. Answer 3 – 10 • Many concentrated acids can flash boil water, spattering it out of glassware.

  24. Question 3 - 20 • Incubation of bacteria cultures should NEVER be conducted at temperatures greater than_______° C ?

  25. Answer 3 – 20 • 30° C

  26. Question 3 - 30 • Though laboratories should be well ventilated, pungent and noxious chemicals should be used only when?

  27. Answer 3 – 30 • Under a fume hood

  28. Question 3 - 40 • Information on every chemical and solution in a laboratory is MOST likely found in

  29. Answer 3 – 40 • Material safety data sheet

  30. Question 3 - 50 • Laboratory fires can be especially dangerous because of the presence of extremely volatile chemicals and flammable liquids. Safely extinguishing these fires requires the use of: • Fire blanket • Class A fire extinguisher • Class B or D fire extinguisher • Large amounts of water

  31. Answer 3 – 50 • Class B or Class D fire extinguisher

  32. Question 4 - 10 • The substance found in the nucleus of most cells that carries the genetic information of the organism

  33. Answer 4 – 10 • Deoxyribonucleic acid or DNA

  34. Question 4 - 20 • How often does the average American consume food products containing genetically engineered organisms

  35. Answer 4 – 20 • Every Day

  36. Question 4 - 30 • Sawyer is interested in conducting a research project on a biotechnology topic. What part of the scientific method would MOST help him to narrow his interest to a specific experiment? • Forming the conclusion • Conducting Research • Defining the purpose • Purposing a theory

  37. Answer 4 – 30 • Defining the purpose

  38. Question 4 - 40 • A genetically altered organism with DNA altered by the removal of genes is considered to be a ____________ organism?

  39. Answer 4 – 40 • Transgenic organism

  40. Question 4 - 50 • The process through which scientists isolate and remove genes coding for a specific trait from one organism for insertion into the DNA sequence of other organisms is:

  41. Answer 4 – 50 • Genetic engineering

  42. Question 5 - 10 • What do you use to disinfect flow hoods and other surfaces in the lab?

  43. Answer 5 – 10 • Bleach solution

  44. Question 5 - 20 • When conducting research, Artavia collects much data. For her experiment to have usable results, she makes certain that the data she collects is both: • Accurate and punctual • Thorough and pertinenet • Reliable and valid • Organized and minimal

  45. Answer 5 – 20 • Reliable and valid

  46. Question 5 - 30 • How do you clean forceps in the lab?

  47. Answer 5 – 30 • Kept in a 70% ethanol (alcohol) and flamed over a alcohol lamp

  48. Question 5 - 40 • Wanda spills chemical on her hand. She immediately rinses her hand with water and applies a mildly alkaline chemical to the area. What type of chemical did she spill on her hand to receive the first aid treatment?

  49. Answer 5 – 40 • Acid

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