February 2025

The Mutapa rulers who resisted Portuguese control and those who cooperated

By |2025-02-12T09:00:11+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

A stamp showing a Portoguese impression of the Mutapa Gatsi Rusere. Notice the decidely European features. Image credit stampdata.com A stamp showing a Portoguese impression of the Mutapa Gatsi Rusere. Notice the decidely European features. Image credit stampdata.com ZIMSEC O Level History Notes: The Mutapa rulers who resisted Portuguese control and those […]

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Transport: Draught power

By |2025-02-12T09:27:17+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Mules carrying packs. Image credit MediaWiki Mules carrying packs. Image credit MediaWiki ZIMSEC O Level Geography Notes: Transport: Draught Power
Draught power

  • Refers to the use of animals such as elephants, mules, donkeys, camels and horses

Advantages

  • It is cheap
  • It is much more readily available
  • Can scale steep terrain and reach inaccessible areas.
  • Does not require […]
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An introduction to Economic Activity

By |2025-02-12T09:10:18+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

ZIMSEC O Level Business Studies: An introduction to Economic Activity and Ordinary Level Business Studies

Business-a commercial activity conducted to satisfy human needs and wants usually done for profit. Business studies is the study of such activities. Examples of Businesses include buying and selling, the offering of services and mining. The word business does not refer to a building […]

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Experiment: Testing for osmosis in living plants

By |2025-02-12T09:37:52+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Peeled potatoes. Image credit alsalamgroup.com Peeled potatoes. Image credit alsalamgroup.com ZIMSEC O Level Science Notes: Experiment: Testing osmosis in living plant tissue

Materials: potatoes, knife or blade, distilled water, sugar or salt, three containers,weighing balance.

Method

osmosis_plants

Prepare three pieces of peeled potato. Each block must be […]

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The Advantages and Disadvantages of a Private Limited Company

By |2025-02-12T09:04:26+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Lamasat is an example of a Private Limited Company. Image credit topnews.co.zw Lamasat is an example of a Private Limited Company.  ZIMSEC O Level Business Studies Notes: The Advantages and Disadvantages of a Private Limited Company

  • A Private Limited Company has several advantages and disadvantages:

Advantages

  • The shareholders have limited liability.
  • There […]
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Going public and Going Private

By |2025-02-12T09:18:19+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Facebook IPO. Image credit cbsnews.com Facebook IPO. Image credit cbsnews.com ZIMSEC O Level Business Studies Notes: Going public and Going Private

Going Public

  • involves converting a private limited company into a public limited company.
  • This usually involves an Initial Public Offering.
  • A lot of companies go public after trading for a number of years […]
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Experiment: Growing plants using the vegetative reproduction method

By |2025-02-12T09:37:05+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Growing mulberry cuttings. Image credit wordpress.com Growing mulberry cuttings. Image credit wordpress.com ZIMSEC O Level Combined Science Notes: Reproduction in plants: Growing plants using the vegetative reproduction method  

Materials; trays of soil/sand or prepared garden beds, plant cuttings of sugar cane, mulberry, sweet potato cuttings etc

Method Plant [...]
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Breeding

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

SeedCo trial fields are used for breeding seeds. Image credit seedco.co SeedCo trial fields are used for breeding seeds. Image credit seedco.co ZIMSEC O Level Combined Science Notes: Breeding

  • Controlled breeding in livestock and crops allow farmers to obtain animals and crops with the best characteristics
  • Each breed or variety has is […]
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