Yes.
Orthodox Jews are only allowed to eat kosher foods.
Yes, they could eat lettuce, corn, apple,nuts,and vegetables/fruits, and lot of kinds of food.
Yes, Lettuce is 100% allowed. It is very healthy
Yes.
Religiously observant Jews will only eat in restaurants that are kosher certified.
Pork is not allowed to eaten by Jews, Muslims. Hindus are allowed to eat pork but many choose not to very often. Sikhs are also allowed to eat pork but chose not to very often
Muslims aren't allowed to eat pork. Jews aren't supposed to eat meat from any animal that does not chew its cud and have split hooves.
yes they are they are only not allowed to eat dairy and meat together.
No, Jews are allowed to eat honey. This is because there is a special exemption in the bible which makes honey Kosher, or pure to eat.
It's shellfish.
No. Jews are not allowed to eat or drink blood (Leviticus ch.3).
Yes, but Ashkenazi Jews are stricter than Sephardi Jews.