Which one of the following organisms reproduces sexually only once in its lifetime?
1. Banana plant
2. Mango
3. Tomato
4. Eucalyptus
(a) Monocarpic plants are those plants which flower once in their life e.g., all annuals (wheat, rice), biennials like carrot and radish, perennial like bamboo. Banana is a monocarpic plant, so reproduces sexually once in its lifetime. The rest of the options are incorrect.