1. Which enzyme is not present in pancreatic juice?   pepsin   trypsin   steapsin   amylopsin   Hint Half-n-half Clue   2. Enzymes help to quicken the rate of chemical reactions in a living body and undergo changes during this process.   True   False   3. Trypsin is an enzyme contained in _______ juice.   pancreatic   intestinal   gastric   Half-n-half Clue   4. Which of the following statements about enzymes is false?   Enzymes are vitamins by nature.   Enzymes act best between a narrow range of temperature known as 'optimum temperature'.   Enzymes act on a specific substrate to form a specific product.   Enzymes are required in very small quantities.   Half-n-half Clue   5. Invertase is an enzyme present in the _______.   duodenum   jejunum   ileum   Half-n-half Clue   6. Erepsin is an enzyme contained in _______ juice.   gastric   intestinal   pancreatic   Half-n-half Clue   7. Which enzyme acts on starch in the mouth and converts it into maltose?   ptyalin   lipase   pepsin   lactase   Half-n-half Clue