Exam (elaborations)

Grade 10 Agricultural Science Revision

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Course
Agricultural Sciences

Institution
10th Grade

This document covers concepts and aspects in the form of revision questions and answers of grade 10 agricultural Science from term 1 to 4 aspects like agro-ecology , agricultural economics and animals studies and more

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Uploaded on January 23, 2025
Number of pages 77
Written in 2024/2025
Type Exam (elaborations)
Contains Questions & answers

questions and answers revision work

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, TABLE OF CONTENT

Term 1 Mind Map: Agro- Ecology: 3

Week 1,2 Ecology and Agro- Ecology: 4

Week 3,4 Veld Management, Grazing Ecology and Pasture Science: 9

Week 5 Biomes 12

Mind Map: Agricultural Economics 17
Week 6,8 Introduction to Agricultural Economics 18
Memorandum

Week 1,2 Ecology and Agro- Ecology: 23

Week 3,4 Veld Management, Grazing Ecology and Pasture Science: 24

Week 5 Biomes 29

Week 6,8 Introduction to Agricultural Economics 32

2

,Ecology and Agro- Ecology: Interactions in Ecosystems:
Biomes:
• Basic concepts • Energy flow in Ecosystems
• Levels of ecological organization • Nutrient cycling
• Components of an Ecosystem • Interactions between organisms
• Ecological farming methods

Grazing Ecology:
• Natural and Artificial Pastures
• Grazing ecology
• Optimal Grazing
• Veld types of South Africa
• Characteristics of grazing plants
• Condition of pastures

• Biomes and their
Pasture and Veld Management: characteristics
• Importance of pastures for the livestock industry
• Human impact
in SA Agro-Ecology • Importance for agriculture
• Pasture management and Pasture condition
• Veld Management Practices
• Veld Management Systems
• Different grazing Systems
• Veld management that leads to poor veld
conditions

Climate change and the effect of weather phenomena:
• Causes of global warming
• Impact of climate change on agriculture
• Long term weather predictions and rainfall patterns
• Short term climate and weather predictions
• Agricultural adaptation measures to overcome climate change
3

, Term 1: Agro- Ecology: Week 1 & 2

1. The box below shows the different aspects of an ecological organisation. Arrange
them in different levels starting with the smallest to the largest level in the organization

Ecosystem, Community, Population, Biome, Individual, Biosphere
(6)

2. The diagram below illustrates a grassland ecosystem. Study it carefully and answer
the questions that follow:

2.1 Tabulate any TWO biotic and TWO abiotic components which are visible in the
diagram (4)

2.2 Formulate a food chain from the components in the system (4)

2.3 From the above diagram indicate one each of the following:
a) Producer
b) Primary consumer
c) Secondary consumer
d) Carnivore (4)

2.4 List THREE climatic factors that will have an influence on the organisms in the
diagram (3)

The following schematic representation represents some of the interactions between
organisms in an ecosystem

4

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