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WorksheetsUnit 5: Environmental Issues in Africa
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is one of the major problems facing those who depend on the Nile River for their water?
a)
The Nile River no longer has any fish.
b)
The Nile is too shallow to be used for transportation.
c)
The river always dries up during the summer months.
d)
The water is contaminated with human and industrial waste.
2.
How did the Aswan High Dam change Egyptian farming?
a)
The Dam washed more silt down the river.
b)
The Dam has allowed year-round irrigation.
c)
The Dam has increased the annual flooding of the Nile River.
d)
The Dam created many jobs in the construction industry.
3.
What is silt?
a)
a type of chemical fertilizer
b)
a chemical used to produce electricity
c)
industrial pollution found in the Nile River
d)
rich topsoil carried from one location to another by floodwaters
4.
Continued use of chemical fertilizer causes what to build up in soil?
a)
silt
b)
salt
c)
animal waste
d)
rocks and gravel
5.
Which BEST describes a major use of the Niger River?
a)
little used because it is too shallow
b)
source of much hydroelectric power
c)
used for transportation and agriculture
d)
used for irrigation projects in the Sahara Desert
6.
Which BEST describes a major use of the Congo River?
a)
irrigation of farmland
b)
supplying water to Egypt
c)
water only for rainforest animals
d)
transportation of goods and people from the interior of Africa to the Indian Ocean
7.
What do people believe might lead to "water wars" in Africa in the future?
a)
demands to reroute water to the deserts
b)
competition among countries that share a river system
c)
demands to reroute rivers to supply water to the rainforests
d)
UN decrees telling African nations how to share water
8.
Why do some governments ignore industrial pollution of major rivers and waterways?
a)
They want the industries to be profitable.
b)
The people of most countries do not care about pollution.
c)
Industries always have plans in place to clean up polluting wastes.
d)
Most government officials do not recognize pollution as a problem.
9.
What destroyed the grassland and forests that were once found in the Sahel?
a)
years of heavy flooding
b)
the development of factories
c)
continuous farming and over-grazing
d)
repeated use by nomads and camel caravans
10.
Why are droughts a problem for farmers in the Sahel?
a)
animals move into the desert to find water
b)
the desert stops expanding when there is rain in the Sahel
c)
the soil is of poor quality and dry conditions result in even fewer crops
d)
people do not try to farm in the Sahel any more due to the increased rainfall
11.
Which is a result of desertification for the people living in the Sahel region?
a)
increased tourism
b)
more jobs in manufacturing
c)
increased starvation and poverty
d)
decreased support from the UN
12.
Which has been a major cause of desertification?
a)
years of uncontrolled flooding
b)
overuse of the land by the people
c)
heavy seasonal winds coming off the desert
d)
sharp and unexpected changes in the climate
13.
Which African country is losing its rainforest most rapidly today?
a)
Egypt
b)
Congo
c)
Kenya
d)
Nigeria
14.
Why is most rainforest lost today?
a)
unchecked forest fires
b)
harsh drought and high winds
c)
diseases that attack old growth trees
d)
logging for industry, farming, and fuel
15.
What is meant by the "Green Line" when one is talking about desertification?
a)
the line between the desert and cultivated areas
b)
the line dividing rural and urban neighborhoods
c)
the point in a river at which water pollution begins
d)
a barrier put up around factories to keep people away for their own safety
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