Description : Onion is a modified form of – (1) leaf (2) stern (3) root (4) None of these
Last Answer : (2) stern Explanation: An onion has a modified form of stem called a bulb, or more specifically a tunicate bulb. In this type of modified stems, the stem is enclosed by a covering of ... encircles the bulb, which is where tunicate comes from. Nutrients for the plant are stored within the bulb.