WAEC Agricultural Science 2025 Objective — Question 4
Question 4 of 50 from the West African Examinations Council (WAEC) Agricultural Science 2025 Objective paper, with the correct answer and a full explanation.
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A hygrometer is used in agriculture for measuring
- A. wind speed
- B. daylength
- C. atmospheric pressure
- D. relative humidityCorrect
Explanation
A hygrometer is used to measure relative humidity - the percentage of water vapour in the air compared to the maximum it can hold. Monitoring humidity helps in managing plant diseases and irrigation schedules.
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