Danho
ZIMSEC O Level · 2248/2 · J2015

Geography Paper 2 June 2015

Questions
27
Total marks
225
Time allowed
150 min
Syllabus code
2248/2

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Questions
27
Pass mark
17
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Answer every question in the printed order, get marked at the end, then see the answers.

The questions

Question 101

[1 marks]Plate tectonics and fold mountains
A line on a map crosses a plate boundary where two plates are moving apart, new basaltic rock is forming on the seabed along the boundary, and the boundary lies on a mid-ocean ridge. What type of plate boundary is this?

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Question 102

[1 marks]Plate tectonics and fold mountains
At a constructive (divergent) plate boundary, two plates move apart with a mid-ocean ridge lying between them. Which of the following best describes the process taking place there?
  1. AMagma rises to fill the gap between the separating plates and cools to form new basaltic oceanic crust, widening the ocean over time.
  2. BOne plate is forced down beneath the other into the mantle along a deep subduction zone, where it melts and triggers explosive, gas-rich volcanic eruptions at the surface.
  3. CThe two plates slide past each other horizontally along a transform fault, with no new crust formed and comparatively little volcanic or earthquake activity.
  4. DThe plates collide head-on along a continental margin, crumpling and thickening the continental rocks upward into a chain of high fold mountains over millions of years.

Question 103

[1 marks]Plate tectonics and fold mountains
Which of the following is a problem commonly faced by people living in fold mountain regions?
  1. AA mild, stable climate at every altitude that allows year-round crop growth regardless of elevation.
  2. BEasy, low-cost construction of roads, railways and settlements because of the consistently gentle relief throughout the region.
  3. CAbundant flat land at every elevation, ideal for large-scale mechanised farming and easy road construction.
  4. DLimited land for farming and settlement because of steep slopes and thin soils.

Question 201

[1 marks]Weather and climate
What term describes a large body of air with fairly uniform temperature and humidity throughout, which has acquired these characteristics from the surface (source region) over which it formed?

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Question 202

[1 marks]Weather and climate
A weather station recorded a maximum temperature of 27,0°C and a minimum temperature of 15,0°C on a given day. Calculate the mean daily temperature for that day.

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Question 203

[1 marks]Weather and climate
Which of the following correctly describes the characteristics of a tropical continental air mass?
  1. ACold and moist, forming over polar or sub-polar oceans.
  2. BCool and humid, forming over temperate seas with frequent drizzle.
  3. CHot and dry, forming over large land masses in the tropics, with low humidity.
  4. DWarm and wet, forming over equatorial rainforests with heavy year-round rainfall.

Question 301

[1 marks]Ecosystems and environmental management
What term describes the total mass (weight) of living organisms -- plant and animal matter -- present in a given area at a given time?

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Question 302

[1 marks]Ecosystems and environmental management
Which of the following is a characteristic of the tropical rainforest ecosystem?
  1. AThick, corky, fire-resistant bark adapted to withstand the frequent veld fires that sweep through the drier savanna woodlands each dry season.
  2. BA layered structure of emergent, canopy, understorey and ground vegetation, with high species diversity.
  3. CA distinct dry season, with deciduous trees that shed leaves to conserve water.
  4. DLow species diversity, dominated almost entirely by a single dominant tree species across the whole area.

Question 303

[1 marks]Ecosystems and environmental management
Which of the following is a genuine benefit of using controlled, planned veld fires rather than allowing uncontrolled wildfires to occur?
  1. AThey pollute the air heavily with thick smoke and cause widespread respiratory illness among nearby communities.
  2. BThey destroy valuable property, standing crops and commercial forestry plantations across the whole affected area.
  3. CThey stimulate fresh grass growth and reduce the build-up of dry fuel that could feed a dangerous wildfire.
  4. DThey permanently destroy wildlife habitats and kill off entire animal populations that depend on the vegetation for food and shelter.

Question 401

[1 marks]Mining and energy
In 1995, a country generated 90% of its electricity from hydro-electric power (HEP) and the rest from thermal sources. What percentage of that country's electricity came from thermal sources that year?

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Question 402

[1 marks]Mining and energy
Which of the following is an advantage of the shaft mining method compared with opencast mining?
  1. AIt requires no ventilation, pumping or safety systems at all for the workers operating underground.
  2. BIt is generally far cheaper to construct and maintain than an equivalent opencast pit of the same output.
  3. CIt causes extensive surface land disturbance across a wide area, stripping away topsoil, vegetation and natural habitat.
  4. DIt allows extraction of deep-seated, high-grade ore that opencast methods cannot reach.

Question 403

[1 marks]Mining and energy
Gold panning has become common in Zimbabwe in recent years. Which of the following is a major problem associated with this practice?
  1. AIt causes siltation and mercury pollution of rivers, damaging riverbanks.
  2. BIt requires large amounts of capital investment to start.
  3. CIt creates large-scale formal employment with guaranteed pension benefits.
  4. DIt generates significant government tax revenue through official channels.

Question 501

[1 marks]Agriculture -- livestock farming
Zimbabwe's tobacco production was 900 tonnes in 1992 and rose to 13 200 tonnes in 1994, before falling to 3 600 tonnes in 1995 and recovering to 8 500 tonnes in 1996. In which year, from 1992 to 1996, was tobacco production at its peak?

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Question 502

[1 marks]Agriculture -- livestock farming
Which of the following best describes an extensive farming system, such as cattle ranching?
  1. AA small area of land farmed intensively with very high labour and capital inputs per hectare, giving a high yield per unit area but a low total output.
  2. BA system found only in small-scale market gardening located close to urban markets for fresh produce.
  3. CA system that uses no land at all, relying entirely on indoor feeding of livestock in confined pens.
  4. DA large area of land farmed with low inputs per hectare, giving a lower yield per unit area but a high total output.

Question 503

[1 marks]Agriculture -- livestock farming
Beef cattle in Zimbabwe are heavily concentrated in the semi-arid southern and south-eastern regions rather than in the high-rainfall north-east. Which of the following best explains this pattern?
  1. AThese semi-arid areas are unsuitable for crop farming, so extensive cattle ranching is the dominant land use there.
  2. BThese areas receive the highest and most reliable rainfall in the country, which favours intensive dairy farming instead.
  3. CThese areas contain Zimbabwe's largest national parks and safari areas, which are reserved exclusively for wildlife and cattle grazing rather than crops.
  4. DThese areas have the country's best, most fertile soils, well suited to tobacco and maize production rather than ranching.

Question 601

[1 marks]Industry -- iron and steel
What term describes industries that are not tied to a particular raw material source or market, because their inputs and outputs are light and easily transported, allowing them to locate almost anywhere with good transport, power and labour access?

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Question 602

[1 marks]Industry -- iron and steel
Which of the following is a major reason why some Zimbabwean industries have been closing down?
  1. AA steady, reliable and consistently cheap electricity supply with no unexpected interruptions to production.
  2. BErratic and expensive electricity supply, causing frequent production stoppages.
  3. CAbundant, easily accessible foreign currency for importing raw materials and spare parts at competitive rates.
  4. DModern, up-to-date machinery that is cheap and straightforward to maintain, service and retool.

Question 603

[1 marks]Industry -- iron and steel
In a blast furnace, molten iron and slag are tapped off periodically at a certain point in the structure. Where in the furnace does this tapping take place?

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Question 701

[1 marks]Settlement and urbanisation
What term describes the process by which an increasing proportion of a country's population comes to live in urban areas, usually accompanied by the physical growth of those urban areas?

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Question 702

[1 marks]Settlement and urbanisation
Which of the following was a major reason why the government of Zimbabwe established growth points across the country?
  1. ATo eliminate the need for any administrative or social services in rural areas entirely.
  2. BTo concentrate all industrial development permanently in Harare and Bulawayo only, ignoring the rest of the country.
  3. CTo increase rural-urban migration by deliberately removing services and employment opportunities from rural areas.
  4. DTo decentralise industry and reduce rural-urban migration by providing services and employment in rural areas.

Question 703

[1 marks]Settlement and urbanisation
Which of the following is a suggested solution to the housing shortage faced by many urban areas in Zimbabwe?
  1. AReduce the number of registered building material suppliers allowed to operate within urban areas.
  2. BRemove street lighting from high-density suburbs to cut down on municipal electricity costs.
  3. CBuild more low-cost housing schemes and service more residential stands.
  4. DBan all rural-urban migration permanently, preventing anyone from moving into the city in search of housing.

Question 801

[1 marks]Migration and population
Which of the following correctly distinguishes internal migration from international migration?
  1. AInternal migration only ever refers to migration undertaken for tourism purposes, while international migration refers only to migration undertaken for paid work abroad.
  2. BInternal migration and international migration both mean crossing an ocean to a new country.
  3. CInternal migration is movement within the same country's borders, while international migration is movement across national borders from one country to another.
  4. DInternal migration always involves moving to a different continent, while international migration is movement within one town.

Question 802

[1 marks]Migration and population
Name one method used by public health officials to reduce mosquito breeding and minimise malaria deaths in rural areas.

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Question 803

[1 marks]Migration and population
In the demographic transition model, which of the following best describes population change during Stage 4 (low fluctuating)?
  1. ABoth birth rate and death rate are high and fluctuate together at similar levels, giving a very low rate of natural increase overall.
  2. BBoth birth rate and death rate are low and fluctuate close together, giving slow or almost stationary population growth.
  3. CThe birth rate is very high while the death rate is very low, giving the fastest population growth of any stage.
  4. DThe death rate spikes sharply due to a famine, war or epidemic while the birth rate remains completely unchanged from previous years.

Question 901

[1 marks]Transport and trade
A study of weekday traffic flow in a Zimbabwean city recorded a sharp increase in vehicle numbers around 7:30-8 am and a second sharp increase around 4:30-5 pm, with much lower, steady flow between the two. What term describes these two busy periods of the day?

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Question 902

[1 marks]Transport and trade
A commuter bus in Zimbabwe is heavily overloaded with passengers, with extra luggage tied precariously on the roof. Which of the following is a likely problem associated with this practice?
  1. AIt improves passenger comfort by allowing more legroom.
  2. BIt increases the risk of accidents and of luggage falling from the roof.
  3. CIt has no effect on the vehicle's mechanical condition.
  4. DIt reduces the risk of mechanical breakdown by distributing weight evenly.

Question 903

[1 marks]Transport and trade
Which of the following is an argument commonly made against the promotion of informal cross-border trade in Zimbabwe?
  1. AThe government loses revenue through tax and customs duty evasion.
  2. BIt always increases government tax revenue through official customs duties.
  3. CIt eliminates all competition faced by registered, tax-paying businesses.
  4. DIt has no link to corruption or congestion at border posts.

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