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: Microbiology
Throat swab is kept in ? 
Select and explain. 
A. Plastic jar, B. Test tube, C. Petri dish, D. None
B: Test tube
Answer: B: Test tube 
Explanation: Ans. is 'b' i.e., Test tube A throat - swab consists of an orange - stick with cotton wool wrapped round one end and placed in a test tube passing through a plug of non-absorbent cotton wool, with the free end of the stick protruding.The tubes with the swabs are kept in oven for sterilization.