Multiple choice general knowledge science & technology Which of the following is not a drainage pattern: dendritic trellis radial all of these describe drainage patterns Reveal answer Fill a bubble to check yourself D Correct answer Explanation The question uses negative phrasing - it asks which is NOT a drainage pattern. Options A, B, and C (dendritic, trellis, radial) are all valid drainage patterns, so option D is correct because it states they all describe drainage patterns.