Waec Model Questions Vol1 2022 Agricultural Science Question 1

Practice essay / theory question 1 from the 2022 Waec Model Questions Vol1 Agricultural Science examination. This question covers Ecological succession, Monoculture and biodiversity, Intercropping and ecological principles .

Waec Model Questions Vol1 2022 Agricultural Science Essay / Theory
Topics: Ecological succession Monoculture and biodiversity Intercropping and ecological principles
Question 1 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • AGRICULTURAL_SCIENCE • essay

Answer the following questions on Agricultural Ecology.

Question Parts

( a )
Explain the concept of ecological succession that occurs in a cultivated field after it has been left fallow for three years. Include the main stages and the typical changes in plant species composition.
( b )
Discuss two advantages and two disadvantages of monoculture cropping with respect to biodiversity and pest incidence.
( c )
A farmer intends to intercrop maize with cowpea to improve soil fertility and reduce pest damage. Identify three ecological principles that support this practice and briefly explain how each principle contributes to the goal.

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About This Question

This is Waec Model Questions Vol1 2022 Agricultural Science Question 1. It is one of the essay questions from the 2022 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Ecological succession, Monoculture and biodiversity, Intercropping and ecological principles .

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