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Ecology Unit 6 Practice Quiz

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Most municipal solid waste (MSW) ultimately ends up in a...

a)

landfill

b)

recycling center

c)

incinerator

d)

wastewater treatment plant

2.

Most municipal solid waste (MSW) is:

a)

paper/cardboard

b)

food scraps

c)

plastic

d)

glass

3.

A "lethal dose" test looks for the dosage of a substance that kills ___ of the test population:

a)

10

b)

25

c)

50

d)

90

e)

100

4.

The main component of air in the atmosphere is:

a)

oxygen gas

b)

ozone

c)

sulfur dioxide

d)

nitrogen gas

5.

Chemicals responsible for the thinning of the ozone layer:

a)

HFOs

b)

VOCs

c)

CFCs

d)

NOx

6.

Identifies hazardous waste sites & provides the funding for cleaning them up:

a)

Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)

b)

Safe Drinking Water Act

c)

Clean Air Act

d)

Resource Conservation and Recovery Act (RCRA)

e)

Montreal Protocol

7.

Municipal wastewater treatment systems must abide by the ___ in order to protect the environment from human waste pollution.

a)

Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)

b)

Clean Water Act

c)

Montreal Protocol

d)

Clean Air Act

e)

Safe Drinking Water Act

8.

Which of these would NOT decrease amount of waste entering a landfill?

a)

recycling soda cans

b)

using bottled water

c)

burning cardboard

d)

composting food scraps

9.

A family buys a lake house and removes several trees and bushes from the water's edge that blocks their view of the lake. What form of water pollution could this cause?

a)

toxic

b)

bacterial

c)

sediment

d)

nutrient

10.

Which activity uses the most water in the average US home?

a)

showering

b)

watering lawns

c)

washing dishes

d)

flushing toilets

11.

Which TWO processes below are methods of desalination, that can increase the supply of freshwater?

a)

eutrophication

b)

reverse osmosis

c)

distillation

d)

diffusion

12.

Most of the freshwater on Earth is unusable because it is...

a)

stored in underground aquifers

b)

frozen in the ice caps & glaciers

c)

stored in the atmosphere

d)

readily available in rivers and lakes

13.

The majority of the Earth is covered in...

a)

land

b)

water

14.

Which of these are air pollutants controlled by the Clean Air Act? (There are 3 correct answers)

a)

carbon monoxide (CO)

b)

carbon dioxide (CO2)

c)

sulfur dioxide (SO2)

d)

nitrogen oxides (NOx)

e)

chlorofluorocarbons (CFCs)

15.

Aspirin has an LD-50 of 200mg/kg while acetaminophen (the active ingredient in Tylenol) is 560mg/kg. Which medicine is more toxic?

a)

Aspirin

b)

Acetaminophen