A list of the Rulers of Mutapa state
A stamp showing a Portoguese impression of the Mutapa Gatsi Rusere. Notice the decidedly European features. Image credit stampdata.com ZIMSEC History O Level Notes: Mutapa State: A List of the rulers of […]
February 2025
Benefits and damage of the Portuguese activities to the Mutapa State
An early Portuguese map showing the Mutapa state ZIMSEC O Level History Notes: The Portuguese in the Zambezi Valley: The benefits and damage of Portuguese activities to the Mutapa State
Benefits
- They introduced new farming methods.
- Introduced new crops e.g. maize and cassava.
- Introduced new mining […]
The tribes that formed (were part of) the Ndebele society
A watercolour showing Mzilikazi Khumalo King of the Ndebele. Image credit africanfederation.net ZIMSEC O Level History Notes:The Ndebele:The tribes that formed (were part of) the Ndebele society
The following tribes made up the Ndebele Society:
- The Ndebele (the Khumalo originally […]
Transport: Introduction
Esighodhini Bus Stop. Image credit zimbabwefocus.com ZIMSEC O Level Geography Notes: Transport: Transport: Introduction
- -refers to the means by which goods and people are moved from one point to another on the earth’s surface.
Transport is an outcome of supply (production) and demand (consumption). - Goods or raw […]
Inventions made in the Industrial revolution
Watt’s steam engine. Image credit MediaWiki ZIMSEC O Level History Notes: Missionaries:Inventions made in the Industrial revolution
- The following were some of the inventions that came out of Britain’s Industrial Revolution:
- The seed drill
- The steam engine
- Weaving machines
- Spinning machines such as Spinning Jenny
- Railways
- Telegraphs
- Steam boats that made travel […]
The Sales Returns and Purchases Returns Day Books
Returns are part of business. Image credit ministryideaz.com ZIMSEC O Level Principles of Accounts Notes: The Sales Returns and Purchases Returns Day Books
- Most businesses allow customers to return goods that they have bought for various reasons
- For example if the goods are ill-fitting, […]
Introduction to Limited Liability Companies
Pick n Pay is an example of a limited liability company. Image credit tmsm.co.zw ZIMSEC O Level Business Studies Notes: Introduction to Limited Liability Companies
- Contrary to popular belief among students and common people the word company […]
Sample surveys: collecting population data
Zimstat officials often carry out sample surveys. Image credit voazimbabwe.com ZIMSEC O Level Geography Notes: Population:Sample surveys: collecting population data
- In a sample survey only part of the population is covered in the survey.
- A survey is an exercise designed to obtain […]
Economies of Scale
Larger firms can save by buying in bulk. Image credit nfe-lifts.com ZIMSEC O Level Business Studies Notes: Economies of Scale
- As firms grow in size, they acquire certain advantages that are known as economies of scale.
- In other words economies of […]
Experiment: Investigating the conditions necessary for germination to occur
ZIMSEC O Level Combined Science Notes: Reproduction in plants: Reproduction in Plants: Investigating the conditions necessary for germination to occur
Materials: maize/bean seeds, containers one of which has a lid, cotton wool, filter paper, pyrogallic acid
Method
- Take four batches with ten seeds in each batch
- Put them in containers as shown in the diagrams above […]