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: Forensic Medicine
Charas is - 
Select and explain. 
A. Leaves of Cannabis Indica, B. Flowers of Cannabis Indica, C. Stem of Cannabis Indica, D. Resin exudate Cannabis Indica
D: Resin exudate Cannabis Indica
Answer: D: Resin exudate Cannabis Indica 
Explanation: Charas or Hashish is resinous exudates from the leaves and stems of plant cannabis indica or cannabis sativa.