Q12 of 30 Page 6

Cellulose-rich food substances are good source of roughage in human beings because

Cellulose is a component present in plant cell wall. Human beings are unable to digest this cellulose because of absence of enzyme cellulase in the body which helps in cellulose digestion.

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10

Cud is the name given to the food of ruminants which is

 11

Choose the correct order of terms that describes the process of nutrition in ruminants.

 13

Name the parts of the alimentary canal where

(i) water gets absorbed from undigested food. :


(ii) digested food gets absorbed.


(iii) taste of the food is perceived.


(iv) bile juice is produced.

 14

Mark the following statements as True or False. If false, write the correct statements.