Waec Model Questions Vol1 2022 Agricultural Science Question 31

Practice objective / multiple choice question 31 from the 2022 Waec Model Questions Vol1 Agricultural Science examination.

Waec Model Questions Vol1 2022 Agricultural Science Objective / Multiple Choice Hard Difficulty
Question 31 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • AGRICULTURAL_SCIENCE • objective

A forest of 120 ha is to be managed for timber with a 5‑year rotation. Each hectare is initially planted with X saplings. After 2 years, 20 % of the saplings are thinned out. The remaining trees have a survival rate of 70 % after the next 3 years (i.e., at the time of harvest). Each surviving tree yields 0.45 m³ of timber. The manager wants an annual sustainable yield of 1 350 m³. How many saplings must be planted per hectare initially (round up to the nearest whole sapling)?

Answer Options

A. 236 saplings per hectare
B. 210 saplings per hectare
C. 250 saplings per hectare
Correct Answer D. 224 saplings per hectare
Correct Answer
D
Correct Option:
224 saplings per hectare

About This Question

This is Waec Model Questions Vol1 2022 Agricultural Science Question 31. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Agricultural Science examination.

Difficulty level: Hard .

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