By using ginger with the skin removed, you can be more rest assured because ginger is found disrespectful to the ground and that is why it also has a lot of soil and bacteria present in it. It cannot be said that the upper skin of ginger is poisonous, but it is very important to clean it thoroughly before using it. For this, first, you put ginger in water for a few hours, and when it becomes a little soft, then rub it very well and wash it, so that there is no soil left in it. If you don't want to spend that much effort, then peeling it and using it is a better option. But even after peeling, again wash the ginger thoroughly, then use it only.
The seeds and interior of tomatoes are very harmful in some climates. It has been seen many times that the tamarind looks fresh from the outside but its interior is rotten, so always look very carefully while cutting vegetables like tomatoes or capsicum and you can recognize it even by smelling it if you have a little bit. If in doubt, don't use it. Many times some people grind tomatoes and do it, for this also first cut tomatoes, check them and only then grind them in a mixer.
These white spots leaves are not good for health because they could be infected by some fungus or any specific bacteria so one to should not have those leaves.