Water Quality Question Preview (ID: 44532)


Hyder Water Quality. TEACHERS: click here for quick copy question ID numbers.

What is a river basin
a) A land drained by river and its tributaries.
b) One river leading to an ocean.
c) A smaller version of a watershed.
d) All the freshwater on earth.

There is more dissolved oxygen in what type of water?
a) cold
b) hot
c) warm
d) very hot

What is the pH of aquatic life?
a) 7
b) 5-10
c) 6.5-9
d) 1

What effect can detergents have on waterways?
a) increase dissolved oxygen
b) decrease in sediment
c) decrease in salinity
d) increase in nitrates

If there was an increase in temp, what indicator could we test to see if fish are stressed?
a) Temperature
b) Turbidity
c) Nitrates and phosphates
d) Dissolved oxygen

Which term means extracting small particles from water?
a) Eutrophication
b) Extraction
c) Filtration
d) Turbidity

Eutrophication is caused by what?
a) Decrease in dissolved oxygen
b) Increase in turbidity
c) Increase in nitrates and phosphates
d) Decrease in turbidity

pH tells us what?
a) How acid or basic the water is.
b) How hot or cold the water is.
c) How cloudy the water is.
d) How many nitrates there.

The small particles in turbidity comes from what?
a) Detergent
b) Fish pebbles
c) sediment
d) Acid rain

What does an upwelling do?
a) Brings nutrients to surface waters.
b) Makes phytoplankton die.
c) Makes waves happen.
d) Makes the water warm.

When fertilizers leak in to water what does it increase?
a) algae
b) dissolved oxygen
c) turbidity
d) temperature

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