February 2025

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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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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