Which of the following is a salad vegetable?

Correct option is A

Salad vegetables are consumed raw or minimally processed. They are tender and rich in vitamins.
Lettuce is a leafy vegetable commonly used in salads. Brinjal and okra are cooked vegetables.
Chilli is used as a spice, not salad vegetable. Thus, lettuce fits the category of salad vegetables.
Therefore, option (a) is correct.