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Quiz on Identifying Variables
Quiz by MARIA ROSAIDE P. RAMOS
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10 questions
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- Q1Identify the independent variable in this research question: At which concentration of polyacrylamide gel do blood proteins separate the best when performing gel electrophoresis?Blood proteinsconcentration of polyacrylamide gelSeparation of blood proteinsGel electrophoresis30s
- Q2Identify the dependent variable in this research question: What effect does temperature have on the rate of sugar (sucrose) crystal formation in saturated sugar solutions?rate of sugar (sucrose) crystal formationSugar crystalsaturated sugar solutionstemperature30s
- Q3Identify the independent variable in this research question: What is the relationship of the number of turns of 20-gauge copper wire to magnetic field strength in a simple electromagnet?number of turns of 20-gauge copper wireCopper wireSimple electromagnetmagnetic field strength30s
- Q4Identify the condition in this research question: Which metal serves as the best electrode for producing hydrogen in an electrolysis device at standard temperature and pressure?Electrolysis devicemetalStandard temperature and pressurebest electrode for producing hydrogen30s
- Q5Identify the independent variable in this research question: What is the effect of the type of organic compost to the productivity rate of Solanum lycopersicum in a hydroponic set-up?productivity rate of Solanum lycopersicumorganic composthydroponic set-up?Solanum lycopersicum30s
- Q6On the given situation, identify the subject. You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives pure water. After a two- week period, the height is measured.two- week periodsunflower plantsconcentration of salt solutionsheight of plant30s
- Q7On the given situation, identify the dependent variable. Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. Height of the tree is measured once a week.Three redwood treesdifferent humidity levels12 weeks.Height of the tree30s
- Q8On the given situation, identify the independent variable. One tank of gold fish is fed the normal amount of food once a day, a second tank is fed twice a day, and a third tank four times a day during a six week study. The fish’s weight is recorded daily.fish’s weightsix week studygold fishnumber of times the fish is fed30s
- Q9Identify the subject in this research question: How does the photosynthetic rate of pondweed (Elodea canadensis) vary with light intensity at 30°C?pondweed (Elodea canadensis)photosynthetic rate30°Clight intensity30s
- Q10Identify the condition in this research question: Which antibiotic is most effective in killing Staphylococcus growth in agar plates kept at 37°C?effective in killing Staphylococcus growthantibioticStaphylococcusin agar plates kept at 37°C30s