Q. Which enzymes are likely to act on the baked potatoes eaten by a man, starting from the mouth and as it moves down the alimentary canal?

1. Salivary maltase → carboxy peptidase → trypsinogen
2. Salivary amylase → pancreatic amylase → disaccharidases
3. Disaccharidase like maltase → lipases → nucleases
4. Pancreatic amylase → salivary amylase → lipases