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: Anatomy
Which of the following muscle is derivative of 1" arch ? 
Select and explain. 
A. Stylopharyngeus, B. Tensor tympani, C. Platysma, D. Cricothyroid
B: Tensor tympani
Answer: B: Tensor tympani 
Explanation: Ans. is 'b' i.e., Tensor tympani Tensor tympani is derived from 1" arch.