Task: Class Definition Understanding (ontology: Food_Agriculture/Crop_Ontology)

Which of the following definitions best describes 'Nodulation - Estimation'?

A. Observe the plant susceptibility to acid soils, and rate it from immune/resistant to susceptible.
B. Observe the severity of Ascochyta blight, and rate it.
C. Observe the plant susceptibility to rust, and rate it from immune/resistant to susceptible.
D. Observe presence of nodules in root system and rate it.

Answer: Observe presence of nodules in root system and rate it.