Plants use photosynthesis to make energy for themselves and this process is located in the chloroplast. If you can't remember this, you might remember the name chlorophyll which is the food a plant makes. The prefix is similar as you can see.
SELECTIVE BREEDING INVOLVES CHOOSING PARENTS WITH PATICULAR CHARACTERISTICS TO BREED TOGETHER AND PRODUCE OFFSPRING WITH MORE DESIRABLE CHARACTERS . ... CROSS BREEDING INVOLVES TWO DIFFERENT BREEDS FROM THE SAME SPECIES TO CREATE A NEW BREED