Multiple choice general knowledge science & technology Which of the following plants cannot be classified as a grass? Bamboo Shallot Sugarcane Vernal Reveal answer Fill a bubble to check yourself B Correct answer Explanation Bamboo, sugarcane, and vernal grass are all grasses (Poaceae family). Shallots are bulb-forming plants in the Allium genus (like onions), related to lilies, not grasses.