Question

Read the given statements and select the correct option.
Statement 1 : Low temperature destroys enzymes by causing their denaturation.
Statement 2 : High temperature preserves the enzymes in their inactive stage.

• A. Both statements 1 and 2 are correct
• B. Statement 1 is correct but statement 2 is incorrect
• C. Statement 1 is incorrect but statement 2 is correct
• D. Both statements 1 and 2 are incorrect

Answer 1

Answer: (D)

Low temperature preserves the enzymes in their inactive state. Therefore, it is used -in preservation of foods inside cold storages. Low temperature present inside cold storages prevents spoilage of food.
High temperature destroys enzymes by causing their denaturation. This occurs at $50^{°}C$ or so. In between the minimum and maximum temperatures, the reaction velocity doubles for every $10^{°}C$ rise in temperature (general rule of thumb).