Do vegetables help prevent scurvy and if so is it just a certain few or a majority of them?

Yes, many vegetables can help prevent scurvy, and so can many fruits. Scurvy is a deficiency of vitamin C. Some food sources are:

Papaya, Red bell peppers (uncooked), Broccoli, Brussel sprouts, Strawberries, Oranges, Cantaloupe, Kiwi, Cauliflower, and Dark green leafy vegetables like Kale, Mustard greens, etc.