Font size
Worksheetswater quality
Total questions: 15
Worksheet time: 7mins
sources of water pollution are
non point source only
point source only
both point and non-point
non
which type of pollution shown in the picture
point source
non-point source
both types
non
What do you think the consequences of low dissolved oxygen in water body ?
fish will reproduce more
high risk on fish
reduce growth on crabs
intolerable environment for the marine organisms
Analyze the graph to explain the relation between temperature and amount of oxygen
(a)
which of the following sentences is/are correct ?
Nitrate is a nitrogen based compound often used in fertilizers
when algae die, dissolved oxygen increases
Runoff from fertilizers used in farming can deliver nitrates to lakes and streams
More matter floating on water surface means high turbidity
which one of the following terms describes the image
acidity
turbidity
nitrates
temperature
What is bioindicator?
It is another way that water quality can be measured
it is a plant live in water
It is an organism that is sensitive to environmental conditions and is one of the first to respond to change
non of previous
which one of the following terms describes the image
point source
bioindicators
remote sensing
non-point source
Remote sensing is .......
It is collection of data from a distance by taking photos from the air
It is collection of data from a distance by taking photos from the water
It is an organism that is sensitive to environmental conditions and is one of the first to respond to change
ANALYSE THE GRAPH.
WHICH ONE OF THE FOLLOWING RIVERS IS CONSIDERED TO HAVE GOOD QUALITY
Kissimmee river
peace river
tamiami river
non
As acidity increases,
water quality increases
water quality decreases
water quality does not change
what is water quality?
It describes the type and number of organisms living in the water
It is the chemical, biological and physical states of body water.
it describe the mount of sediment in the water
it describes the amount of oxygen and nutrients in the water
what are some ways human activities affect water quality ?
(a)
which word describes the image
run off
poor water quality
soil erosion
pollution
which of the following describes the image
turbidity
point source
acidity
non-point source
