Yes. Different plants will have the same types of cells in them, unless the difference is such as between monocotyledonous (monocots) trees or dicotyledonous (dicots) trees. Dicots have two types of...
No, There is only one type of Jalapeno. But it is part of the Capsicum annuum species which includes Bell peppers and Cayenne. There are many different kinds of Chili peppers.