NEETBotanyAnatomy of Flowering Plants
What is the feature of the vascular bundles in monocot leaves?
Options
- AThey are surrounded by a layer of thick-walled bundle sheath cells
- BThey are of similar sizes except in main veins
- CThey have reticulate venation
- DThey have a large number of large spaces and air cavities between the cells
Correct answer
B. They are of similar sizes except in main veins
Step-by-step solution
The anatomy of isobilateral leaf is similar to that of the dorsiventral leaf in many ways. It shows the following characteristic differences. In an isobilateral leaf, the stomata are present on both the surfaces of the epidermis; and the mesophyll is not differentiated into palisade and spongy parenchyma . In grasses, certain adaxial epidermal cells along the veins modify themselves into large, empty, colourless cells. These are called bulliform cells. When the bulliform cells in the leaves have absorbed water and