What happens when you plug your nose and eat an apple?

When you plug your nose and eat an Apple, you significantly reduce your ability to smell, which is a crucial part of tasting food. This can make the Apple taste bland or less flavorful because much of what we perceive as taste comes from our sense of smell. The texture and sweetness of the Apple may still be enjoyable, but the overall eating experience will be diminished. Essentially, you'll mostly experience the Apple's crunch and sweetness without the accompanying aroma.