8.E.1.3 Water Quality Quiz
Quiz by Deborah Roll
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15 questions
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- Q11. What most directly affects the amount of dissolved oxygen in a body of water?Salinity (salt)pHTurbidityTemperature60s
- Q22. What factors can have the greatest effect on the health of a river system?Nitrate levels and the turbidityNatural disasters and tidal changesType of soil and salinityHuman consumption and pH60s
- Q33. Which water quality indicator can be determined by measuring how much light will be able to travel through water?nutrient level (nitrates)dissolved oxygentemperatureturbidity60s
- Q44. Which BEST determines the health of a lake used as a source of freshwater?the lake's depth and widthThe lake's temperature and pHthe lake's temperature and its depththe lake's location and depth60s
- Q55. A measure of the natural populations of algae, plants, fish, and other wildlife provides evidence of the health of a body of water. By which term are these measure known?Turbidity factorspH indicatorsBio-indicatorsAbiotic factors60s
- Q66. Which is the most likely effect of too much nitrogen and phosphorus flowing into a lake?Lower temperatureGreater salinityAlgae bloomsDecreased turbidity60s
- Q77. Rainbow trout are found in mountain streams and are sensitive to changes in their habitat. Which would be the best description for the use of rainbow trout in measuring water quality?Biological indicator (bio-indicator)Invasive speciesNitratespH60s
- Q88. Which groundwater contaminant contained in fertilizers and pesticides comes from farms?MercurySodiumBacteriaNitrates60s
- Q99. Which would most likely result in an UNhealthy aquatic habitat?A decrease in nitrate levelsAn increase in water temperatureAn increase in dissolved oxygen levelsA decrease in turbidity60s
- Q1010. Which best describes how frogs can be used to indicate the health of a water system?Frogs will change color in a polluted environmentFrogs will move away from a polluted environmentFrogs will sicken and die in a polluted environment.Frogs will change their diet in a polluted environment.60s
- Q1111. Which would lead to the greatest reduction of dissolved oxygen in a lake?Decreased number of fish in the lake.Decreased number of plants surrounding the lakeIncreased number of fish in the lakeIncreased nutrients (nitrates) and algae blooms60s
- Q1212. Which of these is a bio-indicator?WaterInsectcurrents in the waterRock60s
- Q1313. Why does a cloudy river produce less plant life than a clear river?A cloudy river absorbs very little heat, while a clear river absorbs more heat.A cloudy river flows freely, while a clear river does not.A cloudy river has few dissolved nutrients, while a clear river has many.A cloudy river keeps the sunlight from reaching plants, while a clear river allows the sunlight to be absorbed by water plants.60s
- Q1414. Which will most likely happen to a bio-indicator if there is a sudden increase in pollution?The bio-indicator will reproduce at higher rates, which will maintain population numbers.There will be a significant INCREASE in the population numbers and the quality of the bioindicators.There will be a significant DECREASE in the population numbers and the quality of the individual bioindicators.The bio-indicator will reproduce at lower rates, which will maintain population numbers.60s
- Q1515. Which is most likely to happen when water temperature rises above 35 degrees C?The dissolved oxygen will INCREASEThere will be negative health effects on wildlife.There will be DECREASED evaporation from the river.The water will become polluted60s