Soil Temperature Quiz | OceanRemote Education

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