Test Index

WAEC Agriculture 2025 Paper

Question : 24

Total: 50

Solution:

Concept:

The plant population is found by dividing the total farmland area by the area occupied by one plant.

Explanation:

First, convert the farmland area to square metres.

Since

1

hectare

= 10{,}000 \, \mathrm{m}^2

, we have:

0.72

hectares

= 0.72 \times 10{,}000 = 7{,}200 \, \mathrm{m}^2

Next, convert the spacing to metres:

60 \, \mathrm{cm} = 0.60 \, \mathrm{m}

Area occupied by one plant

= 0.60 \times 0.60 = 0.36 \, \mathrm{m}^2

So, plant population

= \dfrac{7{,}200}{0.36} = 20{,}000

plants.

Answer:

20{,}000

plants, i.e. Option B.

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