Mixing meat with dairy, and shellfish and pork.
Yes! You don't need a kosher cookbook. Just remove the non-kosher ingredients.
No. Cows are kosher.
No.
There is no non-kosher fruit.
That depends how religious you are. Orthodox Jews NEVER buy anything non-kosher. Yes, kosher wine can be stored in the same place as non-kosher wine as they're in sealed bottles.
Yes, there are non-kosher hotels in Israel.
It would be kosher if it came from a kosher animal.
Honey is kosher and some groups consider gelatin from non-kosher animals kosher because it is so far removed from its source.
Non-kosher pickles usually have the same ingredients that kosher pickles do only they're not made under kosher supervision and the ingredients used (vinegar mainly) might not be kosher.
It could be made with non-kosher ingredients.
Yes, but by doing so the oven will be rendered non-kosher, contaminate any kosher food placed therein, and have to be Kashered (ritually purified) before it can be used for kosher food.
Hindus do not eat beef no matter if it is Kosher or non-kosher.