This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: nutrition and digestion, Subject name: Biochemistry
[{'content': 'Dietary fibre contain \nSelect and explain. \nA. Collagen, B. Pectin, C. Proteoglycans, D. Starch', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Dietary fibre contains remnants of plant cells resistant to hydrolysis by the enzymes of alimentary canal. Fibre is basically composed of 2 categories : 1. Water insoluble components. 2 . Warer soluble components. 1. Water insoluble : Cellulose, Hemicellulose, Lignin 2. Water soluble : Pectins, Mucilagesn, Gums.', 'role': 'assistant'}]