Waec Model Questions Vol1 2020 Agricultural Science Question 40
Practice objective / multiple choice question 40 from the 2020 Waec Model Questions Vol1 Agricultural Science examination.
The diagram shows a sorghum plant. The leaf is 30 cm long and 5 cm wide; because of its shape the actual leaf area is 90 % of the rectangular approximation. The stem cross‑section is circular with a diameter of 2 cm. The ground area occupied by the plant is 0.05 m². Assuming the plant has three similar leaves, calculate the leaf‑area index (LAI) of the plant. Give your answer to two decimal places.
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About This Question
This is Waec Model Questions Vol1 2020 Agricultural Science Question 40. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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