Waec Model Questions Vol1 2022 Agricultural Science Question 7

Practice essay / theory question 7 from the 2022 Waec Model Questions Vol1 Agricultural Science examination. This question covers Crop Pests .

Waec Model Questions Vol1 2022 Agricultural Science Essay / Theory
Topic: Crop Pests
Question 7 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • AGRICULTURAL_SCIENCE • essay

A farmer cultivates maize on a 2.5‑hectare field. During the early vegetative stage, the leaves show characteristic whorls of small, pale‑green larvae feeding on the leaf surface, and later, irregular patches of dead tissue appear.

Question Parts

( a )
Identify the pest responsible for the described damage and give its common name.
( b )
Describe the life cycle of the pest, highlighting the stage that causes most damage to the crop.
( c )
Propose an integrated pest management (IPM) programme for this pest, including:
( ) Two cultural control measures.
( ) Two chemical control measures, specifying the active ingredient.
( ) One biological control agent.
( d )
The recommended pesticide formulation contains 200 g of active ingredient per litre. The label advises a dosage of 0.75 L per hectare. Calculate:
( ) The total volume of pesticide required for the whole field.
( ) The total amount (in grams) of active ingredient applied.
( ) If the pesticide costs ₦1 200 per litre, determine the total cost for treating the field.

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About This Question

This is Waec Model Questions Vol1 2022 Agricultural Science Question 7. It is one of the essay questions from the 2022 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Crop Pests .

View More Waec Model Questions Vol1 2022 Agricultural Science Questions More Waec Model Questions Vol1 Practice Questions Back to Questions

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