Cellulose-rich food substances are good source of roughage in human beings because - (a) human beings do not have cellulose-digesting enzymes.
- (b) cellulose gets absorbed in the human blood and converts into fibres.
- (c) the cellulose-digesting bacteria convert cellulose into fibres.
- (d) cellulose breaks down into smaller components which are egested as roughage.
Solution:
The correct option is (a).
Cellulose-rich food substances are good sources of roughage in human beings because human beings do not have cellulose-digesting enzymes. Cellulose does not break down into smaller components and is egested as roughage.
The correct option is (a).
Cellulose-rich food substances are good sources of roughage in human beings because human beings do not have cellulose-digesting enzymes. Cellulose does not break down into smaller components and is egested as roughage.