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
Thermophile bacteria grow at ? 
Select and explain. 
A. 20degC, B. 20-40deg C, C. 40-60degC, D. 60-80degC
D: 60-80degC
Answer: D: 60-80degC 
Explanation: Ans. is 'd' i.e., 60-80deg C Temperature requirement of bacteria Bacteria vary in their requirements of temprature for growth. Psychrophilic bacteria grow best at temperature below 20degC Thermophilic bacteria grow best between 55-80degC Mesophilic bacteria grow best between 25-40degC