To determine which plant has sunken stomata, we need to understand what sunken stomata are and why they occur. Sunken stomata are a type of adaptation commonly found in plants that grow in arid or dry environments. This adaptation helps reduce water loss by transpiration.
Let's examine each option:
From this analysis, we can conclude that among the given options, Nerium is the plant that has sunken stomata, adapting to its dry environment by reducing water loss.
| List-I | List-II |
| A. Vexillary aestivation | I. Brinjal |
| B. Epipetalous stamens | II. Peach |
| C. Epiphyllous stamens | III. Pea |
| D. Perigynous flower | IV. Lily |