population studies Archives - Free ZIMSEC & Cambridge Revision Notes

January 2017

Common Killer Diseases in the Tropics: Malaria

By Rachel Majaya|2022-09-15T12:36:57+02:00January 30th, 2017|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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Common Killer diseases in the Tropics: Bilharzia

By Rachel Majaya|2022-09-15T12:36:58+02:00January 30th, 2017|Notes, O Level Geography, Ordinary Level Notes|

Bilharzia is a waterborne disease. Image credit lshtm.ac.uk

ZIMSEC O Level Geography Notes:Common Killer diseases in the Tropics: Bilharzia

Is also known as schistosomiasis.
It is another serious infection and wide spread in Africa and other tropical and sub-tropical regions.
The disease is caused by a flat worm that lives in various […]
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Terms used in Population studies

By Rachel Majaya|2022-09-15T12:36:58+02:00January 30th, 2017|Notes, O Level Geography, Ordinary Level Notes|

ZIMSEC O Level Geography Notes:Population Studies:Terms used in Population studies

Birth Rate (or crude birth rate) is the number of live births per 1,000 of the population in a given year. (Not to be confused with the growth rate).
Brain Drain is the emigration of a significant proportion of a country’s highly […]
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Common Killer Diseases in the Tropics

By garikaib|2022-09-15T12:36:58+02:00January 30th, 2017|Notes, O Level Geography, Ordinary Level Notes|

A map showing the tropics. Image credit MediaWiki

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

Zimbabwe lies in the Tropics
This is a geographic region found between 0° and 23º North and South of the equator
Zimbabwe is of course found on the South side of the equator

[…]

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Population and health

By Rachel Majaya|2022-09-15T12:36:59+02:00January 30th, 2017|Notes, O Level Geography, Ordinary Level Notes|

Unsafe water is a health hazard. Image credit reuters.com

ZIMSEC O Level Geography Notes:Population and resources:Population and health

Important sources of a country’s health and quality of life are water supply and sanitation.
97% of the world’s water resources is salty water mainly in the seas and oceans.
Of the remaining 3%, […]
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Population and Land

By Rachel Majaya|2022-09-15T12:36:59+02:00January 30th, 2017|Notes, O Level Geography, Ordinary Level Notes|

Ploughing sandy soils. Image credit zimbabweelection.com

ZIMSEC O Level Geography Notes:Population and resources:Population and Land

Land is the most important natural resource base in a country.
This is especially true for a country like Zimbabwe whose economy is agro-based
Rapid population growth increases human demand on the land causing heavy damage to […]
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Population and resources

By Rachel Majaya|2022-09-15T12:36:59+02:00January 30th, 2017|Notes, O Level Geography, Ordinary Level Notes|

There is a link between population and resources. Image credit Flickr.com

ZIMSEC O Level Geography Notes:Population and resources:Population and resources

There exists a complex relationship between population, resources and the environment.
Population issues are central in any country’s programs that seek to eradicate poverty and diseases as well as sustain economic growth, […]
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Possible solutions to the refugee problem

By Rachel Majaya|2022-09-15T12:37:00+02:00January 30th, 2017|Notes, O Level Geography, Ordinary Level Notes|

A Sudanese refugee. Image credit aljezeera.net

ZIMSEC O Level Geography Notes:Refugees: Possible solutions to the refugee problem

These include both long term and short term solutions for the host countries.

Repatriation

This is the return of refugees to their source country when the source of danger has been removed
This is very expensive […]
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The refugee problem

By Rachel Majaya|2022-09-15T12:37:00+02:00January 30th, 2017|Notes, O Level Geography, Ordinary Level Notes|

South Sudan Nuba refugees. Image credit Huffingtonpost.com

ZIMSEC O Level Geography Notes:Refugees: The refugee problem

Between 1963-1979 nationalist movements waged a war of liberation in Zimbabwe, which caused a lot of hardships for the population
The intensification of the political oppression and persecution in the country forced many people to flee the […]
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Refugees: Introduction

By Rachel Majaya|2022-09-15T12:37:01+02:00January 27th, 2017|Notes, O Level Geography, Ordinary Level Notes|

Sudanese refugees. Image credit CCTV Africa

ZIMSEC O Level Geography Notes:Refugees: Introduction

Refugee– is a person who cannot return to his/her own country because of a well-founded fear of persecution for reason of race, religion, nationality, political association or social grouping
A refugee is therefore a forced emigrant
Based on this definition, African […]
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