Cut Avocados Into Chunks; Place In A Large Bowl; Drizzle With Lemon Juice And Toss To Coat. Drain, Reserving The Lemon Juice; Set Avocados Aside. For Dressing, In A Small Bowl, Combine The Yogurt, Honey, Lemon Peel And Reserved Lemon Juice. In Another Large Bowl, Toss The Apple, Banana, Grapes, Oranges And Avocados. Serve With Dressing.