Q12Multiple choice
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.
Show answer
(a) human beings do not have cellulose-digesting enzymes.