PRE-TEST
DIRECTIONS: Read and analyze the following statements. Choose and write only the
letter of the correct answer.
1. One of the parameters of the water quality is the pH level. Which among the following materials can accurately measure the pH value of a water sample?
A. litmus paper C. pH meter
B. plant indicators like red cabbage D. all of the above 2. Which of the following correctly describes water quality?
A. It measures pollutants present in water.
B. It describes the condition of water for its purposes.
C. It describes as to whether it is clear or not.
D. It describes as to whether the water sample is useful or not.
3. What do you call the criteria used/ observed in assessing water quality?
A. weighting factor B. Q-value C. criteria pollutants D. parameters 4. Which of the following describes how good or bad the water quality is relative to one
parameter?
A. weighting factor B. Q-value C. criteria pollutants D. parameters
5. A water sample taken from a source was found to have a high concentration of coliform bacteria. What is the implication of this water test result?
A. The water sample is applicable for recreational purposes.
B. The water sample has good quality level.
C. The water sample can be used for domestic purposes.
D. The water sample has poor quality level and is not good for drinking purposes.