February 2025

Zimbabwe Stock Exchange

By |2025-02-12T09:08:50+02:00February 12th, 2025|Notes, O Level Commerce Notes, Ordinary Level Notes|

Zimbabwe Stock Exchange. Image credit financialgazette.co.zw Zimbabwe Stock Exchange. Image credit financialgazette.co.zw ZIMSEC O Level Commerce Notes: Business Organisations: The Zimbabwe Stock Exchange

Functions

  • Controls and regulates admission of new members.
  • Acts as a barometer of the well-being of the Zimbabwean economy.
  • A market for buying and selling shares, stocks, bonds as well as […]
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Memorandum of Association

By |2025-02-12T09:19:59+02:00February 12th, 2025|Notes, O Level Commerce Notes, Ordinary Level Notes|

A page from a Memorandum of Association. Image credit coronetpublications.com A page from a Memorandum of Association. Image credit coronetpublications.com ZIMSEC O Level Commerce Notes: Memorandum of Association

Memorandum of Association

  • Is used in the formation of private and public limited companies.
  • Is prepared by the company founders/their representatives.
  • Is sent to the Registrar […]
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The Test for starch

By |2025-02-12T09:35:27+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

  • During the process of photosynthesis, a plant absorbs, a process which is aided by the presence of chlorophyll in the leaf
  • This enables the plant to convert carbon dioxide and water into glucose
  • Some of this glucose is used up by the plant however
  • Any excess is turned into starch for storage
  • You can, therefore, test a plant’s leaf for starch in […]
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Digestive systems of cows and rabbits

By |2025-02-12T09:17:31+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Cows. Image credit creativeblogs.net Cows. Image credit creativeblogs.net ZIMSEC O Level Combined Science Notes: Digestive systems of cows and rabbits

  • Cows and rabbits are examples of herbivores.
  • They feed on plants e.g. grass and leaves.
  • Pant structures contain a large amount of cellulose which cannot be digested easily.
  • Cellulose is a fibrous carbohydrate.
  • Much […]
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Experiment: Do plants release carbon dioxide when they respire?

By |2025-02-12T09:45:40+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Potted plant. Image credit artificialplantsandtrees.com Potted plant. Image credit artificialplantsandtrees.com ZIMSEC Combined Science Revision Notes: Do plants release carbon dioxide when they respire?

Aim: To determine whether all living things, including plants, release carbon dioxide when they respire.

Materials: bell jar or a large container, 3 boiling tubes/flasks glass or rubber tubing, lungs, suction […]

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Reasons for the Fall of the Great Zimbabwe State

By |2025-02-12T09:24:01+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

The Great Zimbabwe ruins. Image credit Afrizim.com The Great Zimbabwe ruins. Image credit Afrizim.com ZIMSEC History O Level Notes: The Great Zimbabwe State: Reasons for the Fall of the Great Zimbabwe State

There are several reasons why the Great Zimbabwe State/Kingdom fell viz:

  • Civil wars
  • The rise of ambitious leaders who oppressed the […]
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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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