0. Turpentine oil used in medicine' is obtained from:
Option A: Acacia – Incorrect. Acacia trees are primarily known for gum (e.g., gum arabic), not turpentine oil.
Option B: Chir pine – Correct. Chir pine produces resin from which turpentine oil is extracted through steam distillation.
Option C: Myrobalans – Incorrect. Myrobalans are used in traditional medicine and tanning but are not a source of turpentine.
Option D: Kusum – Incorrect. Kusum is used for its oil in hair care and soap but not for turpentine oil.