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.


NCERT Class VIII
Science - Exemplar Problems

Chapter 2. Nutrition in Animals

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2015-05-27T18:01:18+05:30

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D)  cellulose breaks down into smaller components which
are egested as roughage.
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