Waec Model Questions Vol1 2022 Agricultural Science Question 8

Practice essay / theory question 8 from the 2022 Waec Model Questions Vol1 Agricultural Science examination. This question covers Plant Diseases .

Waec Model Questions Vol1 2022 Agricultural Science Essay / Theory

Topic: Plant Diseases

Question 8 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • AGRICULTURAL_SCIENCE • essay

During a survey of a tomato farm, a total of 200 plants were examined for two foliar diseases: leaf spot disease (Disease X) and wilt disease (Disease Y). The observations were as follows: 30 plants showed only leaf spot symptoms, 15 plants showed only wilt symptoms, and 5 plants exhibited symptoms of both diseases.

Question Parts

( a )

Calculate the disease incidence (percentage of plants affected) for Disease X and Disease Y separately.

( b )

Determine the overall disease prevalence (percentage of plants showing at least one of the two diseases).

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About This Question

This is Waec Model Questions Vol1 2022 Agricultural Science Question 8. It is one of the essay questions from the 2022 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Plant Diseases .

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