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NRM511S - NATURAL RES MANAGEMENT - 2ND OPP - JULY 2022 |
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nAm I BI A u n IVE RS ITV
OF SCIEn CE Ano TECHn OLOGY
FACULTYOF ENGINEERINGAND SPATIALSCIENCES
DEPARTMENT OF ARCHITECTUREAND SPATIALSCIENCES
QUALIFICATION: BACHELOR OF REGIONAL AND RURAL DEVELOPMENT
QUALIFICATION CODE: 07BRAR
LEVEL:
5
CREDITS:
12
COURSE CODE:
NRMSllS
COURSE NAME: NATURAL RESOURCEMANAGEMENT
DATE:
JULY 2022 PAPER:
THEORY
DURATION:
3 HOURS MARKS:
100
SECOND OPPORTUNITY/ SUPPLEMENTARY EXAMINATION QUESTION PAPER
EXAMINER:
Marina Coetzee
MODERATOR: Ben Strohbach
INSTRUCTIONS
1. Answer ALL the questions.
2. Read the entire question paper before answering the questions.
3. Questions may be answered in any sequence, provided that they are numbered clearly
and correctly.
4. Write clearly and legibly.
PERMISSIBLE MATERIALS
Pen, ruler, pencil and eraser
THIS QUESTION PAPER CONSISTS OF 12 QUESTIONS AND 7 PAGES (including this front page)
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Natural Resource Management
NRM511S
Question 1:
Select the single CORRECTanswer to each of the following questions. Just write down the
number, e.g. (a) D.
(a)
Water is provided to ....
A Gobabis by the Otjivero Dam
B Keetmanshoop by the Neckartal Dam
C Rehoboth by the Omatako Dam
D Swakopmund by the Swakoppoort Dam
E Windhoek by the Oanob Dam
(1)
(b)
Eutrophication is caused by ....
A plastic pollution
B ozone depletion
C coral reef bleaching
D algal blooms
E destruction of mangroves
(1)
(c)
Demand-side water management includes ....
A installation of water-wise gardens
B construction of water-purification plants
C desalinization of seawater
D transboundary water-use agreements
E inter-basin water transfers
(1)
(d)
The major international treaty for protection against desertification is the ....
A Montreal Protocol
B UNCCD
C Paris Agreement
D UNFCCC
E UNCBD
(1)
(e)
A situation where the total annual rainfall is close to the long-term mean, the runoff
in rivers is normal and the well-adapted natural vegetation gets enough moisture,
but there is a long dry spell in the middle of the rainy season, can lead to a ....
A meteorological drought
B geohydrological drought
C crop drought
D hydrological drought
E pasture drought
(1)
Supplementary/ 2nd Opportunity
Examination Question Paper
Page 2 of7
July 2022
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Natural Resource Management
NRMSllS
(f)
The estimated percentage of Namibian precipitation that evaporates very soon after
rains is ....
A 1%
B 2%
C 14%
D 83%
E 100%
(1)
(g)
Which one of the following is a coal-fired power station?
A Omburu
B Kudu
C Ruacana
D Baynes
E Von Eck
(1)
(h)
Which one of the following is the major anthropogenic greenhouse gas?
A methanol
B chlorofluorocarbon
C carbon dioxide
D carbon monoxide
E ozone
(1)
(i)
The atmospheric layer where high-energy radiation and charged particles strip
molecules and atoms of their electrons, is the ....
A troposphere
B ionosphere
C lithosphere
D stratosphere
E cryosphere
(1)
(j)
The densest atmospheric layer, containing most air molecules, is the ....
A thermosphere
B magnetosphere
C mesosphere
D exosphere
E troposphere
(1)
[10]
Supplementary/ 2nd Opportunity
Examination Question Paper
Page 3 of 7
July 2022
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Natural Resource Management
NRMSllS
Question 2:
List and explain four (4) supportive services provided by the atmosphere.
(4)
[4]
Question 3:
(a)
Differentiate between dwarf shrubs andforbs.
(4)
(b)
Differentiate between savannas and woodlands.
(4)
(c)
Differentiate between indigenous and endemic plants.
(4)
[12]
Question 4:
(a)
Discussthe advantages of high ecosystem diversity.
(3)
(b)
In addition to over-utilisation/ exploitation, what are the four (4) other major
reasons for biodiversity decline?
(4)
[7]
Question 5:
(a)
Climate change has a multitude of impacts on oceans, coastlines, marine and coastal
ecosystems. Choose any two (2) of these effects and discuss them.
(6)
[6]
Question 6:
(a)
Propose three (3) human interventions for adaptation of ecosystems to climate
change. (What can humans do to help ecosystems adapt to climate change?)
(3)
Supplementary/ 2nd Opportunity
Examination Question Paper
Page 4 of 7
July 2022
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Natural Resource Management
NRM511S
(b)
Climate change is projected to increase the frequency and intensity of heatwaves
(extraordinary hot periods) in Namibia. Suggest some measures that local authorities
can implement to let urban dwellers cope with these extreme events.
(6)
(c)
Explain how melting of ice in the Arctic can amplify (increase, hasten) climate change. (3)
[12]
Question 7:
(a)
Differentiate, with clear examples, between waste and pollutants.
(4)
(b)
In what ways can sound pollution harm marine mammals?
(3)
[7]
Question 8:
(a)
Although hydroelectricity is a form of renewable energy, it has some adverse
environmental and socio-economic impacts. Elaborate on this statement.
(4)
(b)
Nuclear power plants are potentially dangerous, but they have several advantages.
Discuss these positive aspects.
(3)
[7]
Question 9:
(a)
Explain, with appropriate examples of its uses, what dimension stone is.
(3)
(b)
Provide the names and locations of two Namibian gold mines.
(4)
[7]
Question 10:
(a)
Explain the respective roles of (i) the Namibian Ministry of Agriculture, Water and
Land Reform, (ii) NamWater and (iii) local authorities in water supply.
(7)
Supplementary/ 2nd Opportunity
Examination Question Paper
Page 5 of 7
July 2022
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Natural Resource Management
NRM511S
(b)
Describe the water sources of the City of Windhoek.
(7)
[14]
Question 11:
Distinguish between aridity and drought.
(6)
[6]
Question 12:
Match each term in Column 1 with the appropriate description in Column 2. Write down only
the capital letter from Column 2 next to the small letter from Column 1, for example (a) D.
Column 1
Column 2
(a)
Tropospheric ozone A
Confining water by building a dam in a river
(b)
Afforestation
B
Accumulation of salts in soil over time
(c)
Potable water
C
(d)
Bush encroachment
D
(e)
lmpoundment
E
(f)
Aquifer
A rock or sediment formation that holds
groundwater
River basin
Removing minerals from seawater to make it
drinkable
(g)
DesaIinizatio n
F
Planting trees in deforested areas
(h)
Catchment
G
Provides protection against ultraviolet radiation
H
Invasion of undesirable woody species in areas that
were previously devoid of them or had only low
densities
Carbonated water
J
Supplementary/ 2nd Opportunity
Examination Question Paper
Taking water from a source
(continue on next page)
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July 2022
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Natural Resource Management
K
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NRMSllS
Overland flow of water
A system of canals and pipelines for transfer of
water
Planting trees in previously unforested areas
Control of bush by using arboricides
Damages crops and human skin
Drinkable water
(8)
[8]
TOTAL: 100
Supplementary/ 2nd Opportunity
Examination Question Paper
Page 7 of 7
July 2022