Question

Which of the given features of gynoecium is/are true for rose but false for tomato?


Multicarpellary


Fused stigma and style


Apocarpous


Ovary superior

Answer 1

If a gynoecium has a single carpel, it is called as monocarpous gynoecium. For example, beans, mustard, etc. If a gynoecium has multiple and free carpels, it is called as apocarpous gynoecium. As seen in rose, lotus, Michelia, etc. If a gynoecium has multiple carpels but fused into a single structure, it is called as syncarpous gynoecium. For example, sunflower, hibiscus, papaver, tomato etc.

Answer 2

Out of the given features of gynoecium apocarpous is true for rose but false for tomato.

• Tomato comes under the family, Solanaceae which is commonly called the potato family. They have bicarpellary or multicarpellary syncarpous ovule with superior ovary.
• On the other hand, roses belong to the Rosaceae family and have apocarpous condition.
• Syncarpous means that the carpels are fused while apocarpous denotes that the carpels are free.