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
Serous demilunes are present in large number in which gland: 
Select and explain. 
A. Parotid, B. Submandibular, C. Sublingual, D. Pituitary
B: Submandibular
Answer: B: Submandibular 
Explanation: Parotid gland is predominantly a serous gland & sublingual gland is mucous. Submandibular gland is mixed type with a cap of serous gland appearing on mucus (serous demilune) in histological preparations.