Per NCERT, dietary CELLULOSE acts as which of the following in human nutrition?
AA vitamin
BA protein
CA high-calorie energy source
DRoughage — helping in digestion (humans cannot digest cellulose for energy, but it aids gut function)
Answer & Solution
Correct answer: D. Roughage — helping in digestion (humans cannot digest cellulose for energy, but it aids gut function)
Per NCERT §2.2.2, cellulose in our diet is roughage / dietary fibre, aiding digestion. Humans lack cellulase to digest it for energy.
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