Role of different parts of the mouth in helping us to taste keeping sugar crystals over the tongue

Role of different parts of the mouth in helping us to taste keeping sugar crystals over the tongue.
**A .**1) Place some sugar crystals on the tongue and keep mouth opened and see that your tongue doesn’t touch the palate.
2) Record the time from the moment you placed the crystals on your tongue till you got the taste by using stop watch.
3) Now repeat the test by placing the sugar crystals on the tongue and pressing it against the palate.
4) Record the time from placing sugar crystals to getting the taste. Or put a drop of sugar solution on your tongue using a dropper.
Observation:
Based on the above activity we know that taste can be identified easily when the tongue
is pressed against the palate.