43
Which of the following enzymes requires acidic medium to function?
- A. Amylase
- B. Erepsin
- C. Maltose
- D. Pepsin
- E. Ptyalin
44
The following can increase crop production EXCEPT
- A. erosion control
- B. fertilizer application
- C. mechanization
- D. monocropping
- E. pest control