has a tuberous stem
has a reduced stem and thick fleshy leaves
has adventitous roots
bears many buds at the nodes
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An onion is considered a bulb because it **has a reduced stem and thick fleshy leaves**. The bulb of an onion is a compressed, underground stem that contains a modified flower bud or growth point surrounded by modified, fleshy leaves called scales. These scales store nutrients that allow the plant to survive during dormancy and provide the energy needed for the plant to regrow in the next growing season. Therefore, the correct answer is **B**. Onions do not have a tuberous stem like potatoes, nor do they bear many buds at the nodes. While onions do have fibrous roots, these are not the reason they are classified as bulbs.
yes, onion has a reduced stem and a thick fleshy leave but the best answer to me is that they have adventituous roots
