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Soil Temperature Quiz
🎯 Passing score: 70% • 📝 7 questions • ⏱️ 10 minutes
0 of 7 answered
1
What is the optimal soil temperature range for maize (corn) germination?
A) 5-10°C
B) 18-25°C
C) 35-40°C
D) 0-5°C
2
Which sensor is specifically designed to be waterproof for soil temperature measurement?
A) DHT22
B) LM35
C) DS18B20
D) BMP280
3
At what soil temperature do most soil microorganisms become inactive?
A) Below 10°C
B) 15-20°C
C) 25-30°C
D) Above 35°C
4
What happens to root growth when soil temperature exceeds 35°C?
A) Roots grow faster
B) Root growth slows or stops
C) No effect
D) Roots become stronger
5
How deep should you place a soil temperature sensor for most crops?
A) 1 cm
B) 10-15 cm
C) 50 cm
D) 100 cm
6
What is the accuracy of the DS18B20 temperature sensor?
A) ±5°C
B) ±0.5°C
C) ±10°C
D) ±0.01°C
7
Why use mulch to manage soil temperature?
A) Adds nutrients
B) Insulates soil from extreme temperatures
C) Kills weeds only
D) Makes soil darker
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