1. Which enzyme is not present in pancreatic juice?   pepsin   amylopsin   trypsin   steapsin   Hint Half-n-half Clue   2. Pepsin is an enzyme contained in _______ juice.   gastric   intestinal   pancreatic   Half-n-half Clue   3. Amylopsin is an enzyme present in the _______.   duodenum   jejunum   ileum   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. Which enzyme acts on starch in the mouth and converts it into maltose?   pepsin   lipase   lactase   ptyalin   Half-n-half Clue   6. The liver secretes a chemical compound called bile, which contains no enzymes.   True   False   7. Invertase is an enzyme present in the _______.   jejunum   duodenum   ileum   Half-n-half Clue