WorksheetsWater Quality and Stewardship Reviewer
Total questions: 15
Worksheet time: 15mins
How can too much rainfall in the mountains affect the turbidity of the river downstream?
It can decrease the turbidity of the river downstream.
It can increase the turbidity of the river downstream.
There is no significant effect on the turbidity of the river downstream.
Which of the following can have the greatest effect on the water quality of river?
salinity and temperature
type of soil and fish population
nitrates level and turbidity
natural disasters like flooding
A body of water that has HIGH turbidity is ___________.
safe to drink
unsafe to drink
highly potable
has low pH level
Which of the following indicators can be best used to determine whether the lake can be a good source of freshwater?
depth and width
depth and temperature
location and depth
temperature and pH
Why is the turbidity in lake higher near the shoreline?
because of increase in erosion rate
because of increase in eutrophication
because there is less water near the shoreline
because the temperature is colder near the shoreline
What is the pH of pure water?
0
5
7
14
The presence of bioindicators tells a lot about the water quality. Which factor is usually measured by bioindicators?
turbidity
dissolved oxygen
light
water depth
Caddisfly larva is known to be present in mountain streams and is sensitive to pollutants. Which is the best description for the use caddisfly larva in water quality testing?
bioindicators
endangered species
invasive species
nitrates
How does acid rain affect the pH of a stream?
it increase the pH of the stream
it lowers the pH of the stream
it has no significant effect on the pH of the stream
Which is an example of a point source of pollution?
a pipe from a sewerage system
water runoff from the street
fertilizer sprayed on soil
Which of the following activity may result to the spread of diseases due to polluted water?
using too much fertilizers
oil spilling
throwing of plastics
dumping human waste in water
Why is it important to communicate the findings of water quality studies to policy makers?
so policy makers would know the importance of water and start to conserve it
so laws can be enacted to protect the waters of the Earth
so policy makers could lessen the penalties for violations to water health system
so policy makers could make laws not related to water quality
Which human activity has the most negative impact on water quality?
fishing
farming (agriculture)
recreational boating
using of toilets
This is the measure of how clear or cloudy the water is
turbidity
salinity
pH
dissolved oxygen
This is the term for how clean or healthy water is
water testing
water quality
conservation
pollution
