MULTIPLE CHOICES Directions: Read and understand each statement/question carefully. Choose the most oppropriate answer and write the letter of your choice on the space provided before each number. 1. Which of the following is NOT ways of determining the water parameters? A. Water Quality Parameters C. Water Transparency B. Physiological transparency D. Physico-chemical parameters 2. Sally wants to measure if hotness or coldness expressed in terms of any of several arbitrary scales and indicating the direction in which heat energy will spontaneously flow. What kind of tool is appropriate to use? A. Salinity B. Temperature C. Gases D. Turbidity 3. Perez family wants to measure the water quality parameters, here are the ways to measure and monitor water quality except one. A Recording the water temperature C. Monitor Salinity B. Measuring the dissolved oxygen D. Inspect possible repair 4. Why do you think we need to measure turbidity in water? A. It requires taking a sample from the source and using an instrument to analyze it. B. Ensure the turbidimeter has been recently calibrated C. Using turbidity calibration standards and take a minimum of two readings D. All of the above mentioned 5. In measuring pH scientifically there are several ways like. From the given option, which of these are NOT the uses of measuring? A. Chicken Manure C. Hach kit or its equivalent B. Lithmus paper or colorimetric D. A pH comparator portable pH meter -6. Why do you think water transparency is important? A. Because aquatic plants need sunlight for photosynthesis. B. The clearer the water, the deeper sunlight will penetrate. C. Measure of how clear the water is. All of the above mentioned 7. Water quality management is one of the most important factors to have a healthy fish population so it must be given special attention. Which of the following does not belong to the group? A. Dissolved Oxygen B. Salinity C. Lime D. Temperature 8. Which of the following tools and instrument used in determining the water quality in fishpond EXCEPT ONE? A. Refractometer B. Secchi disc C. Water sampler D. Transparency 9. How do you measure the salinity of water in refractometer? A. It works on the critical angle principle, utilizing lenses and prisms to project a shadow line onto a small glass reticle inside the refractometer B. Through colleting samples of plankton bodies in standing bodies of water. C. It collects 1 or more actual samples of water for analysis in the lab after recovery of the package. D. It is simply simply as the concentration of mineral salts in water. D
