There are several homepages with low carb food lists. Lowcarb-foods, lowcarbdiets, healthaliciousness, authoritynutrition and many more sites have good lists.

lowcarbdiets.about.com has a comprehensive list of low carb diet foods. As you can see, fruits, vegetables and grains are top of the list as they are all low carb options.

No, unfortunately, wheat is not a low carb food. For more information about low carbohydrate foods, and what is and what is not a low carb food, see the page link, further down this page, listed under Related Questions.

To find a list of low carb foods there are serveral websites online that give advice and tell you the best method to take. These websites are: Natural low carb store (which also sells items), low carb diets, Atkins and Nutrition data.

No, spaghetti is considered a high-carb food.