The xylem fibres are classified into:

Laticifers are found in ..........

Vascular bundles containing cambium are called ......

$A$ vascular bundle in which two patches of phloem are present on both sides of the xylem is called:

$I.$ Phloem transports the food materials usually from the leaves to other parts of the plant.
$II.$ Phloem in the angiosperm is composed of sieve tube elements,companion cells,phloem parenchyma,and phloem fibres.
Identify which of the following statements is correct and select the correct option.

According to Haberlandt $(1914)$,the conducting part of the phloem is known as: