Waec Model Questions Vol1 2020 Agricultural Science Question 7

Practice essay / theory question 7 from the 2020 Waec Model Questions Vol1 Agricultural Science examination. This question covers Crop Pests .

Waec Model Questions Vol1 2020 Agricultural Science Essay / Theory

Topic: Crop Pests

Question 7 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • AGRICULTURAL_SCIENCE • essay

A small‑holder farmer in the savanna zone of Nigeria cultivates maize on a 2‑hectare field. During the early rainy season he observes that the whorls of many plants are stunted and some plants have a dead‑heart symptom, while a few whorls contain small, creamy‑white larvae that chew the interior of the stem. The farmer seeks advice on how to manage the problem.

Question Parts

( a )

Identify the pest responsible for the symptoms described and give its scientific name.

( b )

Outline the complete life cycle of this pest, indicating which stage causes the most damage to the crop.

( c )

Discuss at least three control methods (one cultural, one biological and one chemical) and evaluate their suitability for small‑holder farmers.

( d )

Propose an Integrated Pest Management (IPM) strategy for this pest, describing how monitoring would be carried out and how the different control measures would be combined.

Detailed Solution & Marking Scheme

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

Reveal Answer

About This Question

This is Waec Model Questions Vol1 2020 Agricultural Science Question 7. It is one of the essay questions from the 2020 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Crop Pests .

View More Waec Model Questions Vol1 2020 Agricultural Science Questions More Waec Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows

Chat with Support