This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and Reproduction, Subject name: Physiology
Nutrition to sperm is provided by- 
Select and explain. 
A. Glucose, B. Fructose, C. Galactose, D. Starch
B: Fructose
Answer: B: Fructose 
Explanation: Ans. is 'b' i.e., Fructose "Nutrition to sperms is mainly provided by fructose".