Sonia placed 5 gm each of food items P, Q, R and S in digestive
juices X and Y for 3 hours. After 3 hours, she recorded the amount of undigested food in each setup as shown in the figures.
If digestive juice X is from saliva and Y is from stomach, then which food item is rich in (i) carbohydrates and (ii) proteins?
(i)----(ii)
AP---S
BQ---R
CS---P
DR---Q