Question

1-Control measures of urban and industrial wastes:
Source Reduction
Recycling
Disposal
All of the above
2- ...................... wastes are those that can cause harm to humans or the environment.
Hazardous
Non hazardous
Natural
None of the above
3- Toxic wastes are those substances that are poisonous even in very small or trace amounts.
True
False
Can not say
4- Certain toxic wastes are known as-
Pollutants
Carcinogenic
Mutagenic
All of the above
5- Municipal Solid Waste (MSW) is generally used to describe
Hazardous Waste
Natural Waste
Non-hazardous waste
None of the above
6- Municipal solid waste contains a wide variety of materials such as
Vegetable and meat material
left over food
egg shells
All of the above
7- Recycling is reusing some components of thewaste that may have some ....................... value.
Social
Political
Economical
Cultural
8- Paper recycling can also help preserve........
Animals
Plants
Air
Human
9- Incineration means
Burning solid waste
Burning Trees
Combustion of Fuels
All of the above
10-Toxic wastes are those substances that are poisonous.
Plastic
Solid
Toxic
Liquid
11-Hazardous waste which are generated by
Manufacturing companies
Petroleum refineries
Paper mills
All of the above
12- Reactive wastes are those that have a tendency to react vigorously with
Soil
Plants
Air or water
None of the above
13- Ignitable wastes are those that burn at relatively low temperatures
Less than 10
Less than 90
Less than 60
Minus 60
14- Corrosive wastes are those that destroy materials and living tissue by chemical reaction
Physical reaction
Cosmic reaction
Chemical reaction
All of the above
15- Infectious wastes include human tissue from surgery, used bandages and hypodermic needles, microbiological materials, etc.
True
False
Can not say
16-Pesticides are used increasingly to protect and increase....................
Food production
Animal production
Water conservation
None of the above
17- Lead, mercury and arsenic are ................... substances
Non-hazardous
Hazardous
Air pollutant
None of the above
18-Lead can affect red blood cells by reducing their ability to carry ....................
Blood
Oxygen
Water
All of the above
19-Today the most common methods for disposing off hazardous wastes is
Land fills
Water fills
Air fills
Burning
20-Vinyl chloride is a chemical that is widely used in the manufacture of ...................
Glass
Cloths
Plastics
None of the above

Answer 1

Answer:

Explanation:

1 All of the above

2 Hazardous

3 True