Notes Archives - Page 18 of 189 - Free ZIMSEC & Cambridge Revision Notes

Contraception: Loop/IUD (intrauterine device)

By garikaib|2025-02-12T09:44:32+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Black couple. Image credit classic105.com ZIMSEC O Level Combined Science Notes:Contraception:Ways to prevent pregnancy

How it works IUD IUD

Is a small copper/plastic device placed inside the uterus
It prevents the embryo from implanting in the uterus
by […]

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Managing Ecosystems

By garikaib|2025-02-12T09:10:48+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

The savannah. Image credit wildnatureinstitute.org ZIMSEC O Level Combined Science Notes: Managing Ecosystems

The ecosystem needs to looked after to ensure it is in balance
Humans can have good or bad effects on the ecosystem
Soil is an especially important component of the Zimbabwean ecosystem because […]

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Non Financial Motivation: Job Rotation

By garikaib|2025-02-12T09:33:56+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Job rotation can motivate workers among other things. Image credit marketwatch.com ZIMSEC O Level Business Studies Notes: Non Financial Motivation: Job Rotation

Is when workers are moved from job to job or station to station
Job rotation- can be defined as […]

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Matrix organisation structure

By garikaib|2025-02-12T09:08:33+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

An example of a matrix based organisational structure

ZIMSEC O Level Business Studies Notes: Matrix organisational structure

Is an organisational structure where subordinates have more than one reporting line i.e. some individuals report to more than one superior.
It is also known as the hybrid organisational structure as it incorporates […]

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Communication in Business: Emails

By garikaib|2025-02-12T09:39:04+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Gmail Email. Image credit play.google.com

ZIMSEC O Level Business Studies Notes: Leadership:Communication in Business: Emails

Refers to electronic messages send from one computer/smart device to another
It takes place on the internet
Both the user and the sender have an address in the form of user@example.com
The sender can send messages to […]

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Causes of Rapid Population change and the effects of rapid population change

By Rachel Majaya|2025-02-12T09:06:15+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Hopely Farm settlement

ZIMSEC O Level Geography Notes: Population: Causes of Rapid Population change and the effects of rapid population change

Improvement in the basic health care which has a lowered the death rate
Cultural factors for example, the desire to have a male child factor in the patriarchal societies
Need for […]

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Zwide and Dingiswayo

By Karen Mukungurutse|2025-02-12T09:17:53+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

A dance in honour of King Dingiswayo. Image credit dailysun.co.za

ZIMSEC O Level History Notes: Crisis in Nguniland: Zwide versus Dingiswayo

Dingiswayo(circa 1780-1817) was born Godongwana
He staged a failed coup against his father who was the king of the Mthethwa
He fled and adopted the name Dingiswayo which means wanderer
He came back […]

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Common Killer Diseases in the Tropics: Malaria

By Rachel Majaya|2025-02-12T09:30:27+02:00February 12th, 2025|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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Religious Organisation of the Ndebele State

By Karen Mukungurutse|2025-02-12T09:44:04+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

Drawing of Ndebele army dancing. Image credit plus.google.com

ZIMSEC O Level History Notes: The Ndebele State:Religious Organisation of the Ndebele State

They believed in a supreme God whom they called Umnkulunkulu.
The Ndebele adopted the Rozvi Mwari called Mlimo in SiNdebele and Amadhloziformerly called masvikiro
In times of disaster they consulted the […]

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Farming types in Africa

By Rachel Majaya|2025-02-12T09:03:09+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A subsistence farmer. Image credit agricnation.com

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa: Introduction

Zimbabwe and in a larger sense Africa are endowed with such a wide diversity of environmental conditions and cultures.
This was enhanced as a result of it being colonized by different European countries for over a century.

[…]

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February 2025