This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Law & Medicine, Identification, Autopsy & Burn, Subject name: Forensic Medicine
When two objects come in contact an exchange takes place. This is known as:(2001) 
Select and explain. 
A. Galton exchange, B. Locard exchange principle, C. Chertillions system, D. Hasse rule
B: Locard exchange principle
Answer: B: Locard exchange principle 
Explanation: Ans: bRef: Forensic Parikh, 6th ed, p. 5.35 & 5th ed, p. 443