Agro-ecology & Ecological Farming is one of 9 topics in the Grade 10 Agricultural Sciences CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. Which term describes a community of organisms together with its non-living environment?
Ecosystem
Population
Organism
Biosphere
Answer: Ecosystem — An ecosystem is a community of interacting populations together with the non-living (abiotic) environment they live in.
Easy
2. Give ONE example of an abiotic factor in an agro-ecosystem.
Answer: sunlight — Abiotic factors are non-living components of an ecosystem, such as sunlight, water, soil, air, temperature or minerals.
Medium
3. Which of the following correctly orders the levels of ecological organisation from smallest to largest?
Organism, population, community, ecosystem
Population, organism, ecosystem, community
Ecosystem, community, population, organism
Community, ecosystem, organism, population
Answer: Organism, population, community, ecosystem — The correct order from smallest to largest is: organism (one individual), population (all individuals of one species in an area), community (interacting populations of different species), ecosystem (community plus abiotic environment).