1.6. Colour popping
Copy the picture of the fruit on to a new document and make one of the pieces of fruit stand out either by changing the colour saturation or making all the other fruit black and white. There are different ways of achieving this so you will need to choose your approach but one option is to use the Layers approach.
Can you colour pop one of the pieces of fruit?
Note
Choose your own picture to experiment with once you have done this one.
Here is one example of what the original picture might look like when finished:
One possible solution