Subject :NSO Class : Class 5
Jai drew a graph which represented the amount of undigested food in different parts of our alimentary canal, during the process of digestion of a meal. The variables V to Z represent the organs of alimentary canal from mouth to anus.
Select the correct option regarding this.
AThe amount of undigested food should be zero at Z because digestion is completed before the food reaches anus.
BThe amount of undigested food at X and W should be interchanged because there is no digestion in oesophagus.
CA decrease in the amount of undigested food should be first observed in Y only because intestine is the primary site of digestion.
DBoth A and B
Ans 1:
Class : Class 6
Ans 2:
Class : Class 6
Ans 3:
Class : Class 7
(A)
Ans 4:
Class : Class 4
B is the correct answer