Cellulose rich food substances are good sources of roughage in human beings because [NCERT Exemplar]
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
Answer:A
Cellulose rich food substances are good sources of roughage in human beings because [NCERT Exemplar]
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