Which of the following substances is obtained from a tree?

Correct answer: (a) Asafoetida

Explanation

Asafoetida (Hing) is an oleo-gum-resin obtained from the plant Ferula, a tree/herb source.

Bitumen is a black residue from petroleum, not a tree.

Tincal is a mineral (native borax, Na2B4O7.10H2O).