The Scientific Method Steps Quiz
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The Scientific Method Steps Quiz

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@KeenTurkey

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Questions and Answers

Which of the following is the correct order of the scientific method steps?

  • Observation, Questions, Hypothesis, Experiment, Conclusion, Report and Publish (correct)
  • Observation, Questions, Experiment, Hypothesis, Conclusion, Report and Publish
  • Questions, Observation, Hypothesis, Experiment, Conclusion, Report and Publish
  • Observation, Hypothesis, Questions, Experiment, Conclusion, Report and Publish

    • Which of the following represents a hypothesis?

  • A conclusion
  • An educated guess based on the research (correct)
  • A proven fact
  • An observation

    • What is the function of control in an experiment?

  • To manipulate the independent variable
  • To introduce new variables
  • To measure the dependent variable
  • To ensure unbiased results (correct)

    • Which of the following represents a control variable?

    <p>The amount of water given to the plants</p> Signup and view all the answers

    What is the purpose of a sample size in an experiment?

    <p>To increase the accuracy of research findings</p> Signup and view all the answers

    Which of the following is a class of organic molecules?

    <p>Carbohydrates</p> Signup and view all the answers

    What are proteins made up of?

    <p>Amino acids</p> Signup and view all the answers

    What is the second class of organic molecules?

    <p>Lipids</p> Signup and view all the answers

    What is the first class of organic molecules?

    <p>Carbohydrates</p> Signup and view all the answers

    What are nucleic acids?

    <p>Molecules of the kind normally found in living systems</p> Signup and view all the answers

    Which of the following organisms rely on the environment to maintain their body temperature?

    <p>Ectotherms</p> Signup and view all the answers

    What is the 6th step of the Krebs cycle where succinate is converted to fumarate?

    <p>Oxidation</p> Signup and view all the answers

    In which part of the cell does the Krebs cycle take place?

    <p>Mitochondrial matrix</p> Signup and view all the answers

    In which part of the cell does glycolysis take place?

    <p>Cytoplasm</p> Signup and view all the answers

    What is the function of sodium fluoride?

    <p>Stops glycolysis</p> Signup and view all the answers

    What is the purpose of plant pigments?

    <p>Absorb energy from light</p> Signup and view all the answers

    Which equation represents cellular respiration?

    <p>C6H12O6 + 6O2 —&gt; 6CO2 + 6H2O$</p> Signup and view all the answers

    Which lens should be used for the microscope test?

    <p>Yellow lens (10x)</p> Signup and view all the answers

    What does paper chromatography technique rely on to separate pigments?

    <p>Different solubility and attachment to chromatography paper</p> Signup and view all the answers

    Which reagent is used to test for lipids?

    <p>Sudan IV</p> Signup and view all the answers

    Which reaction involves the removal of water to bind monomers together to form a polymer?

    <p>Dehydration synthesis</p> Signup and view all the answers

    Why are both positive and negative controls used in experiments?

    <p>To validate experiments</p> Signup and view all the answers

    What is the function of the diaphragm in a microscope?

    <p>To control the amount of light that reaches the specimen</p> Signup and view all the answers

    Why did we use the slide with the letter 'e' and the slide with threads in the microscope?

    <p>To illustrate the parts of the microscope</p> Signup and view all the answers

    How do you calculate the field of view in a microscope?

    <p>FOV = 10x total mag / 4x total mag</p> Signup and view all the answers

    What is the equation for total magnification in a microscope?

    <p>Total magnification = mag objective x mag ocular lens</p> Signup and view all the answers

    What is the difference between prokaryotic and eukaryotic cells?

    <p>Eukaryotic cells have a nucleus, while prokaryotic cells do not</p> Signup and view all the answers

    What can affect enzyme function?

    <p>Temperature, pH, concentration</p> Signup and view all the answers

    What is the difference between aerobic respiration and anaerobic respiration?

    <p>Aerobic respiration requires the presence of oxygen, while anaerobic respiration does not</p> Signup and view all the answers

    Which reagent is used to test for simple carbohydrates?

    <p>Benedict's test</p> Signup and view all the answers

    Which reagent is used to test for proteins?

    <p>Biuret test</p> Signup and view all the answers

    Which reagent is used to test for starch?

    <p>Iodine</p> Signup and view all the answers

    Which reagent is used to test for lipids?

    <p>Sudan IV</p> Signup and view all the answers

    What is the function of the eyepiece on a microscope?

    <p>To look through</p> Signup and view all the answers

    What is the function of the objective lens on a microscope?

    <p>To magnify the specimen</p> Signup and view all the answers

    What is the function of the iris diaphragm on a microscope?

    <p>To control the amount of light that reaches the specimen</p> Signup and view all the answers

    What is the function of the fine focus knob on a microscope?

    <p>To focus on the specimen</p> Signup and view all the answers

    What is the equation for the field of view in a microscope?

    <p>FOV 10x = FOV 4x x total mag 4x</p> Signup and view all the answers

    What is the equation for total magnification in a microscope?

    <p>Total magnification = mag objective x mag ocular lens</p> Signup and view all the answers

    Which of the following represents the correct order of the scientific method steps?

    <p>Observation, Questions, Hypothesis, Experiment, Conclusion, Report and Publish</p> Signup and view all the answers

    What is the purpose of a control in an experiment?

    <p>To ensure unbiased results</p> Signup and view all the answers

    Which of the following represents a hypothesis?

    <p>An educated guess as to what will happen during an experiment</p> Signup and view all the answers

    What is the function of the independent variable in an experiment?

    <p>To be manipulated by the experimenter</p> Signup and view all the answers

    What is the function of the dependent variable in an experiment?

    <p>To be measured as the outcome of the experiment</p> Signup and view all the answers

    What is the function of control variables in an experiment?

    <p>To provide a baseline for comparison</p> Signup and view all the answers

    What is the purpose of a sample size in an experiment?

    <p>To increase the statistical power of the study</p> Signup and view all the answers

    Which of the following represents the first class of organic molecules?

    <p>Carbohydrates</p> Signup and view all the answers

    Which of the following represents the second class of organic molecules?

    <p>Lipids</p> Signup and view all the answers

    Which of the following represents a class of organic molecules?

    <p>Carbohydrates</p> Signup and view all the answers

    Which of the following is the equation for photosynthesis?

    <p>6CO2 + 6H2O → C6H12O6+ 6O</p> Signup and view all the answers

    What is the purpose of plant pigments?

    <p>Absorbs the energy from the light, controlled photosynthesis</p> Signup and view all the answers

    What is the equation for cellular respiration?

    <p>C6H12O6 + 6O2 → 6CO2 + 6H2O</p> Signup and view all the answers

    What part of the cell does the Krebs cycle take place in?

    <p>Mitochondrial matrix</p> Signup and view all the answers

    What part of the cell does glycolysis take place in?

    <p>Cytoplasm</p> Signup and view all the answers

    What does sodium fluoride do?

    <p>Inhibits glycolysis</p> Signup and view all the answers

    What is the purpose of paper chromatography?

    <p>Separates plant pigments from each other</p> Signup and view all the answers

    Where does succinate being turned to fumarate occur in the Krebs cycle?

    <p>Sixth step</p> Signup and view all the answers

    What is the purpose of succinate being turned to fumarate in the Krebs cycle?

    <p>Regeneration of oxaloacetate</p> Signup and view all the answers

    What does sodium fluoride do to glycolysis?

    <p>Inhibits it</p> Signup and view all the answers

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