A. Banana is a perennial plant. It reproduces sexually only once in its lifetime. Hence, it flowers only once its life. After reproducing sexually once, reproduction in the banana plant is done by parthenocarpy.
B. Mango is a perennial plant because it grows and flowers for more than two years.
C. Tomato is a perennial plant as it continues to grow and flowers for than two years.
D. Eucalyptus is an annual plant. It completes its life cycle within one year and then dies.
So, the correct answer is 'Banana plant'.