O Level Geography Archives - Page 11 of 35 - Free ZIMSEC & Cambridge Revision Notes

Maize farming in Zimbabwe

By Rachel Majaya|2025-02-12T09:33:47+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Maize farm near Harare

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa:Maize farming in Zimbabwe

Growing conditions and growing area

Staple food crop of Zimbabwe.
Production is 2.8 million tonnes.
Annually with 70% from communal farmers.
Main producing area-ecological region 2.
Rainfall-minimum 890 mm, otherwise supplement with irrigation temperature about 21° C […]

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Problems faced by ZISCO

By Rachel Majaya|2025-02-12T09:14:53+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

The now defunct ZISCO steel. Image credit Newsday.co.zw

ZISCO Steel ceased operations in 2016

ZIMSEC O Level Geography Notes: Iron and Steel Industry:Problems faced by ZISCO

Old machinery – ZISCO has 4 blast furnaces of which only Blast Furnace No. 3 has been operating at near capacity.
The others due to […]

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Topological maps

By Rachel Majaya|2025-02-12T09:17:55+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

An example of a topological map of Uganda. Image credit babakfakhamzadeh.com

ZIMSEC O Level Geography Notes: Transport: Topological Maps

A topological map is one where straight lines are drawn to replace winding routes of transport networks.
These straight lines may replace roads, rails or waterways but they are always drawn to link […]

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Exploitation of natural resources

By Rachel Majaya|2025-02-12T09:24:48+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Exploitation of natural resources, gold panning in Mozambique.Image credit nytimes.com

ZIMSEC O Level Geography Notes: Natural Resources:Resource Exploitation

The exploitation of natural resources is the use of natural resources for economic growth, sometimes with a negative implication of accompanying environmental degradation.
It started to emerge on an industrial scale in the […]

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Forestry: Deforestation

By Rachel Majaya|2025-02-12T09:18:33+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Deforestation in the Amazon rain forest. credit blog.conservation.org

ZIMSEC O Level Geography Notes: Natural Resources:World Deforestation

Deforestation is the cutting down of trees without replacing them.

The most important role forests play in sustaining people’s lives is being threatened by the rapid disappearance of the world’s forests.
In 2009, most of the […]

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Types of Forests: Coniferous forests

By Rachel Majaya|2025-02-12T08:59:10+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Coniferous forest. Image credit chcentralmich.com

ZIMSEC O Level Geography Notes: Natural Resources: Coniferous forests

Coniferous forests consists of evergreen trees which do not shed their leaves at any time of the year.
These are confined to the cool temperature, latitude in belts stretching across northern USA. Southern Canada, Scandinavia, northern Europe […]

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Fishing in Malawi

By Rachel Majaya|2025-02-12T09:34:41+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Fishing in Malawi. Image credit originaltravel.co.uk

ZIMSEC O Level Geography Notes: Natural Resources: Fishing: Fishing in Malawi

Malawi is one of the most important inland fish producers in the SADC region.
Malawi has been given the responsibility to co-ordinate inland fisheries, forestry and wildlife within the SADC region.
Malawi’s fisheries include […]

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Fish processing and marketing

By Rachel Majaya|2025-02-12T09:19:54+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Processing fish by drying them. Image credit MediaWiki

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Fish processing and marketing

Most of the fish are sold fresh at the fishing ports and major urban areas in the region.
Use of refrigerated facilities has become increasingly important.
Some fresh fish are transported into […]

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Small scale energy sources and plants:Solar energy

By Rachel Majaya|2025-02-12T09:44:50+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A Photo-voltaic power plant. Image credit oorjasolar.com

ZIMSEC O Level Geography Notes: Natural Resources: Energy:Small scale energy sources and plants:Solar energy

Solar energy is converted into electrical energy in two ways
The first is through the use of solar panels
These are also known as photo voltaic power plants for reasons […]

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Wind direction and speed

By garikaib|2025-02-12T09:14:35+02:00February 12th, 2025|O Level Geography, Weather and Climate|

A cup anemometer and windvane. Image by Noaa.gov. ZIMSEC O Level Geography Notes: Wind direction and speed.

Wind is the movement of air across the earth’s surface due to differences in pressure between two regions. Air moves from high pressure regions to low […]

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February 2025