1. The large intestine does not secrete any enzymes.   True   False   2. Pepsin is an enzyme contained in _______ juice.   gastric   intestinal   pancreatic   Hint Half-n-half Clue   3. Which of the following statements about enzymes is false?   Enzymes are vitamins by nature.   Enzymes are required in very small quantities.   Enzymes act on a specific substrate to form a specific product.   Enzymes act best between a narrow range of temperature known as 'optimum temperature'.   Half-n-half Clue   4. Which enzyme does not act on carbohydrates?   amylopsin   ptyalin   steapsin   invertase   Half-n-half Clue   5. Trypsin is an enzyme contained in _______ juice.   pancreatic   gastric   intestinal   Half-n-half Clue   6. Erepsin is an enzyme contained in _______ juice.   intestinal   pancreatic   gastric   Half-n-half Clue   7. The liver secretes a chemical compound called bile, which contains no enzymes.   True   False