Metric System
1. Which of the following is NOT a commonly used unit of length in the metric system?a. Micrometerb. Nanometerc. Centimeterd. Electrometer2. Which objective lens provides the least total magnification?a. Oil immersionb. Scanc. High powerd. Low power3. When preparing a wet mount specimen for viewing, thespecimen should be covered witha. Transparent tapeb. Another glass slidec. A coverslided. Clean paper.4. Using oil immersion is useful because.a. oil immersion increases the resolving power of the specimen.b. oil immersion can be used on all objectives.c. oil immersion increases the magnification of the specimen.d. oil immersion does not require special clean up.G:Summer teaching 2020Summer 2020_IISummer 2020 BIOL210BIOL210L Summer 2020_IIOnline lab Summer-II 2020Summer-II 2020 midtermBIOL210L Midterm_1-9.png1. Label the parts of the microscopeA series of steps designed to help you solve problems and answer questionsThe liter is the metric base unit of measurement forThe metric scale of temperature is Fahrenheit.4. What is the correct order of the steps in the scientific method?Ask questions, make a hypothesis, test the hypothesis,analyze results, draw conclusions, and communicateresults.Make a hypothesis, test the hypothesis, analyze theresults, ask a question, draw conclusions, andcommunicate results.New observations, formulating a hypothesis, testingthe hypothesis through experimentation, and reaching a conclusion.5. In which circumstance is food and/or beverage allowed inthe laboratory?6 In science, an educated guess is called a/an7. The purpose of lab safety rules and protocols is to8. In which step of the scientific method do we want to use graphs10. If you wanted to know volume of water in a bottle of soda, you would use11. If you wanted to measure the distance from here to Salt Lake City, you would use12. The total magnification of the image is equal toA. MagTotB. magnification of the objective lensC. MagObj x MagOcuD. None of the above13. What is the total magnification of a specimen viewed under high power?14. The ability to distinguish two points as separate points is15. To put out a fire in a person’s clothing, use16. All of the following are hazards except:A. open flamesB. glassC. live animalsD. gloves17. The following footwear is best in the laboratory.18. Which of the following are examples of safety equipment?19. How is the metric system different than the standard United States system?.23. The negative control used in the tests for protein, lipids, sugars, and starch was24. Which reagent is used to detect the presence of starch?
