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

Which of the following definitions best describes 'Chlorophyll b content - Measurement'?

A. Measured chlorophyll a content on leaves using the standard protocol.
B. Measured chlorophyll b content on leaves using the standard protocol.
C. Measure the Orobanche shoots weight per plot or measurement area.
D. Measured on seed using the standard protocol.

Answer: Measured chlorophyll b content on leaves using the standard protocol.