February 2025

Food Preservation

By |2025-02-12T09:18:49+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Perishable foods Perishable foods ZIMSEC O Level Combined Science Notes: Food Preservation

  • A lot of the fresh food that humans eat is perishable
  • This is because this food is also food for bacteria, fungi and other micro-organisms
  • If fresh perishable food is left out in the open it will soon deteriorate […]
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Pregnancy

By |2025-02-12T09:35:40+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

ZIMSEC O Level Combined Science Notes: Pregnancy

  • The vagina receives an erect penis during sexual intercourse
  • During sexual intercourse, sperms are ejaculated into the vagina
  • There they begin to swim up to the oviducts
  • If an ovum is released at this time it may be fertilised in the oviduct
  • Although many sperms reach the ovum only one will […]
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Motivation and Motivational Theories

By |2025-02-12T09:22:12+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Construction workers. Image credit biznetafrica.com Construction workers. Image credit biznetafrica.com ZIMSEC O Level Business Studies Notes: Motivation and Motivational Theories

  • People work for any number of reasons
  • Most people work because they want to earn money and survive while others work voluntarily
  • Others work because they find meaning and fulfillment in […]
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Centralisation and decentralization

By |2025-02-12T09:38:34+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Decentralisation vs Centralisation Decentralisation vs Centralisation. Image pixabay.com

ZIMSEC O Level Business Studies Notes: Centralisation and decentralization

  • An organisation’s structure can be centralised or decentralised
  • Centralisation-is when power, authority and decision making are concentrated at the top of the organisation’s hierarchy
  • This means activities such as planning and decision making are […]
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Verbal Communication

By |2025-02-12T09:15:20+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Verbal Communication. Image credit infochristo.com

ZIMSEC O Level Business Studies Notes: Verbal Communication

  • Is the sharing of ideas, thoughts and feelings using speech and sounds
  • In verbal communication words are used to exchange information

Advantages

  • There is immediate feedback
  • There is direct impact
  • Allows for the use of plain and easily […]
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Features of the early Iron Age

By |2025-02-12T08:58:48+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

Traditional iron smelting. Image credit heritagedaily.com

ZIMSEC O Level History Notes: Early Societies (Late Stone Age – Early Iron Age): Features of the early Iron Age

  • The early Iron Age succeeded the late Stone Age.
  • Tools and weapons made in the Early Iron Age were made from iron and wood
  • This is […]
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Religous organisation of the Great Zimbabwe State

By |2025-02-12T09:13:08+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

Soapstone carvings of the Zimbabwe bird. Image credit iisd.ca

ZIMSEC O Level History Notes: Great Zimbabwe state (Kingdom): Religous organisation of the Great Zimbabwe State

  • The Great Zimbabwe people were very religious
  • Spirit mediums of the state were chosen from any class and this fostered unity among the people
  • The Hungwe bird […]
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The refugee problem

By |2025-02-12T09:24:28+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

South Sudan Nuba refugees. Image credit Huffingtonpost.com

ZIMSEC O Level Geography Notes:Refugees: The refugee problem

  • Between 1963-1979 nationalist movements waged a war of liberation in Zimbabwe, which caused a lot of hardships for the population
  • The intensification of the political oppression and persecution in the country forced many people to flee the […]
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