Q.

Which specialised cell provides interconnectivity for air spaces
 a) Parenchyma          b) Chlorenchyma         c) Sclerenchyma          d) None of these

1 A
2 B
3 C
4 D

Ans.

(a) Most cells of a plants have a part of their surface in contact with air. This is also facilitated by the loose packing of parenchyma cells in leaves