Humans cannot digest high fibre containing substances like grass. This is because humans:

Have shorter alimentary canal than herbivores.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Have longer alimentary canal than herbivores.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Do not produce cellulose digesting enzymes.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Have evolved to have only cooked leaves.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
Do not produce cellulose digesting enzymes.

Humans cannot digest high fibre containing substances like grass. It won't kill you, but it isn't advisable to snack on it. Human stomachs cannot digest hard raw leaves and grass easily, but cows can. This is because humans do not produce cellulose-digesting enzymes. Having a longer or a shorter alimentary canal is not a deciding factor in this.

Suggest Corrections

Similar questions

Q. Assertion: Carnivores have shorter small intestine while herbivores have longer small intestine.
Reason: Meat is more difficult to digest than cellulose.

Which of the following regions of the human alimentary canal does not produce any digestive enzyme?

Humans cannot digest high fibre substances like grass. This is because humans _____ .

Q. Which part of alimentary canal does not produce any digestive enzyme?

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.

Join BYJU'S Learning Program