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
Which of the following is true about oath : 
Select and explain. 
A. Not compulsory, B. Compulsary and binds witness for evidence given, C. holds witness responsible for consequence of evidence, D. Witness is liable for prosecution if he does not take oath
B: Compulsary and binds witness for evidence given
Answer: B: Compulsary and binds witness for evidence given 
Explanation: B i.e. Compulsory & binds witness for evidence given