Question 12 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.
Which of the following statements about dietary fibres are incorrect?
A. It stretches the intestinal muscles, so they can push unwanted waste.
B. Food rich in fibre content is milk.
C.They are digestible substances like cellulose, which is found in plant foods.
D.They are stringy, indigestible substances like pectin, hemicellulose found in plant foods such as broccoli.