Question

Why are large air spaces present in aerenchyma?
Ncert solutions for Class 11th Biology Lab Manual Chapter 4 Exercise 4 Question 1

Answer 1

In order to provide buoyancy to the plants & to allow the circulation of gases large air spaces are present in aerenchyma.

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Answer 2

Answer:-

The large air-filled cavities provide a low-resistance internal pathway for the exchange of gases between the plant organs above the water and the submerged tissues.