O Level Geography Archives - Page 2 of 35 - Free ZIMSEC & Cambridge Revision Notes

Common Killer Diseases in the Tropics: Malaria

By Rachel Majaya|2022-09-15T12:36:57+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Anopheles Mosquito. Image credit voanews.com

ZIMSEC O Level Geography Notes:Common Killer Diseases in the Tropics: Malaria

Malaria is one of the most widespread diseases in Tropical Africa.
It is caused by a parasite called plasmodium,
which is transmitted by the female anopheles mosquito.
When a female anopheles mosquito bites a patient, it […]

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Farming as a system

By Rachel Majaya|2022-09-15T12:36:46+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

A farm/family plot can be viewed as a system. Image credit mg.co.za

ZIMSEC O Level Geography Notes:Agriculture:Farming as a system

A farm is a tract of land on which crops and often livestock are raised for livelihood
A farm can be viewed as a system
A system is a set of interacting […]

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Gezira versus Lowveld Irrigation schemes

By Rachel Majaya|2022-09-15T12:36:30+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Gezira Irrigation cotton plants. Image credit MIT

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa:Gezira versus Lowveld Irrigation schemes

Gezira Irrigation Scheme

Is one of the largest irrigation schemes in the world
It is found int the state of Al Jazirah in Sudan
It is located at the confluence of the […]

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Market and Location of industries

By Rachel Majaya|2022-09-15T12:36:21+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Bread is perishable and therefore it’s industries are located close to the market.

ZIMSEC O Level Geography Notes:Types of Industrial Location:Market and Location of industries

Some industries are market-based not because their products are heavier than the raw materials making them, but because they are perishable.
Examples are opaque beer and […]

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The railways in Zimbabwe

By Rachel Majaya|2022-09-15T12:35:59+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

NRZ train.chronicle.co.zw

ZIMSEC O Level Geography Notes: Transport: Rail transport network in Zimbabwe

The railway network of Zimbabwe is less complicated when compared to the road network.
There are,however, some striking similarities between these.
The main railway line of Zimbabwe runs along the Central Watershed from Bulawayo through Gweru, Kwekwe, Kadoma and then […]

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Ways in which developing countries can improve trade

By Rachel Majaya|2022-09-15T12:35:40+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Processed platinum fetches a higher price than raw platinum

ZIMSEC O Level Geography Notes: Trade:Ways in which developing countries can improve trade

Trade in developing countries such as Zimbabwe can be enhanced by:

Diversification of their economies, that is, by producing a variety of new value added manufactured goods.
Investing in human […]

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Case Study:Oil in Nigeria

By Rachel Majaya|2022-09-15T12:35:24+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Oil drilling on the Niger Delta. Image credit worldofmatter.net

ZIMSEC O Level Geography Notes: Exploitation of Natural Resources: Case Study:Oil in Nigeria

Nigeria is the largest producer of oil in Africa. This sweet oil is similar in composition to petroleum extracted from the North Sea.
There are six petroleum exportation terminals in […]

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Indigenous commercial forests

By Rachel Majaya|2022-09-15T12:35:12+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Chirinda Forest in Chimanimani. Image credit afrikascout.de

ZIMSEC O Level Geography Notes: Natural Resources: Commercial timber resources:Indigenous commercial forests

Commercial timber resources in Zimbabwe can be divided into two classes, namely: indigenous tropical hardwoods and the exotic plantations.
1. The indigenous tropical hardwoods like the Zimbabwean teak, mahogany and mukwa.
2. The exotic […]

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Natural Resources: Water shortages

By Rachel Majaya|2022-09-15T12:34:56+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

A boy carrying water during 2016 water shortage in Zimbabwe. Image credit ibtimes.com

ZIMSEC O Level Geography Notes: Natural Resources: Water:Water shortages

Water supply shortages both at household and national level could be reduced by:

Water scarcity is the lack of sufficient, available water resources to meet water needs within a region.

[…]

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Ocean and Sea fishing

By Rachel Majaya|2022-09-15T12:34:45+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Horse Mackerel. Image credit sites.google.com

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Fishing:Sea fishing

The coastal areas of southern-central Africa stretching from Tanzania, through Mozambique, South Africa, Namibia, Angola and DRC is home to several marine species including fish.
Fish resources are concentrated within the narrow continental shelf, a few kilometres […]

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January 2023