Practice question

Alkaline yellow-green fluid (C) is the right choice. This sits at the heart of Digestive System: the wording points straight to what is happening in the tissue or organ system. A useful study habit is to ask what the structure or process is for: Alkaline yellow-green fluid is the option that correctly names the structure, process, or principle asked for in Digestive System. That reasoning supports Alkaline yellow-green fluid. One solid sentence about why this works is enough for recall — you do not need a long essay for every MCQ. When you practise, cover the choices first, write Alkaline yellow-green fluid from memory, then reveal the letter — that habit builds real recall for Digestive System.