February 2025

Chlorophyll and Photosynthesis

By |2025-02-12T09:41:18+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

A green leaf. Image credit wallconvert.com A green leaf. Image credit wallconvert.com ZIMSEC O Level Combined Science: Chlorophyll and Photosynthesis

Aim: To test whether chlorophyll is necessary for photosynthesis.

Materials

Two plants with variegated leaves i.e. leaves that are partly green, permanent marker  and equipment for the start test. A [...] </p srcset=

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The trial balance

By |2025-02-12T09:22:25+02:00February 12th, 2025|Notes, Ordinary Level Notes, Principles of Accounts Notes|

ZIMSEC O Level Principles of Accounts Notes: The trial balance

  • It has already been explained that at the core of accounting is the double entry principle.
  • The principle states that there are two aspects or sides to every transaction: a debit and a credit.
  • A trial balance is a list of all the debits and all the credits […]
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Examining the structure of stems and roots

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

Tree roots. Image credit lawnsite.com Tree roots. Image credit lawnsite.com ZIMSEC O Level Combined Science Notes: Examining the structure of stems and roots

Aim: To examine the structure of roots and stems under a microscope/bio-viewer.

Materials: Bio-set and bio-viewers, microscopes, prepared slides of root and stem sections.

Method Structure of roots. [...] </p> </body></html>

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Reasons for the spread of Portuguese influence in the Zambezi valley

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

Swahili slave traders. Image credit blogspot.com Swahili slave traders. Image credit blogspot.com ZIMSEC O Level History Notes: The Portuguese in Zambezi Valley: Reasons for the spread of Portuguese influence in the Zambezi valley

  • To spread Christianity in the form of the Catholic faith to other countries and in the process,
  • Check the […]
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Groups that Soshangane fought on his way from Nguniland to Gazaland

By |2025-02-12T09:16:53+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

Gungunyana the last king of the Shangane. Image credit Mediawiki Gungunyana the last king of the Shangane. Image credit Mediawiki ZIMSEC O Level History Notes:Soshangane and the Shangaane:Groups that Soshangane fought on his way from Nguniland to Gazaland

  • The Tsonga
  • The Chopi
  • The Ndau
  • The Rozvi
  • The Manyika
  • The Ngoni under Zvangendaba (note spellings of this […]
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Cash Book Entries to record Cash Deposited into the Bank

By |2025-02-12T08:56:19+02:00February 12th, 2025|Notes, Ordinary Level Notes, Principles of Accounts Notes|

Cash Book Example. Frank Wood's Business Accounting I Cash Book Example. Frank Wood’s Business Accounting I ZIMSEC O Level Principles of Accounts: Books of Original Entry: Cash Book Entries to record Cash Deposited into the Bank

  • If a business receives cash from its customers and
  • The cash is later paid into (deposited) into […]
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Planned Economy

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

ZIMSEC O Level Business Studies Notes: Command Economy/ Planned Economy

Characteristics/Features

  • The government owns and manages all the resources.
  • The government determines what to produce, how much to produce and for whom to produce
  • The main motive is to provide goods and services rather than profit
  • The government sets the prices
  • Examples include Cuba, China and North Korea

Advantages

  • Prices are […]
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