Waec Model Questions Vol1 2022 Agricultural Science Question 18

Practice objective / multiple choice question 18 from the 2022 Waec Model Questions Vol1 Agricultural Science examination.

Waec Model Questions Vol1 2022 Agricultural Science Objective / Multiple Choice Hard Difficulty
Question 18 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • AGRICULTURAL_SCIENCE • objective

A teak plantation covers 120 ha. Average stand volume (m³ ha⁻¹) at ages 5, 10, 15 and 20 years are 2.5, 7.0, 12.5 and 18.0 respectively. The forest is managed by harvesting equal‑area compartments every 5 years, each compartment being harvested at the same age (the rotation age). Determine the rotation age (a multiple of 5 years) that gives the maximum average annual sustained yield (total volume harvested per year) for the whole plantation.

Answer Options

A. 10
Correct Answer B. 20
C. 25
D. 15
Correct Answer
B
Correct Option:
20

About This Question

This is Waec Model Questions Vol1 2022 Agricultural Science Question 18. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Agricultural Science examination.

Difficulty level: Hard .

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