January 2017

Common Killer Diseases in the Tropics: Malaria

By |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 |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 |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 |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 |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 |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 |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 |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 |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 |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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