| Consider the following statements. |
| I. Endodermis is the last layer of cortex and is single layerd. It is characterised by presence of Casparian strips. |
| II. Cotton is chiefly composed of epidermal hair of seed chemically, it is cellulose. |
| III. The vascular bundles containing cambium are said to closed but if no cambium develops, they are referred as open. |
| Which of the statements given above are correct? |
A) I and II
B) I and III
C) II and III
D) I, II and III
Correct Answer: A
Solution :
The vascular bundles containing cambium are said to be open, but if no cambium develops, they are referred as closed. Due to absence of cambium, the secondary growth is not found. In most monocotyledons, closed vascular bundles are found.
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