This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Which one of the following describes the flavouring substance asafoetida (Fling)? 
Select and explain. 
A. Dried leaf extract, B. Exudate from chopped roots, C. Pith of stem boiled and dried, D. Dried and hardened paste of fruit
B: Exudate from chopped roots
Answer: B: Exudate from chopped roots 
Explanation: Ans. is 'b' i.e., Exudate from chopped roots