Question

Which of the following is not a simple tissue? *

Answer 1

Explanation:

xylem is the correct option

Answer 2

Answer:

xylem is not a simple tissue.

Explanation:

• The xylem is not a simple tissue; it is a complicated tissue. The vascular tissue known as xylem is found in plants and is largely responsible for moving water and nutrients from the roots to the stem and leaves. They also give the plants mechanical strength.
• While other tissues are instances of Simple Permanent Tissue, the Xylem is not one. A Complex Permanent tissue called xylem is involved in the movement of water inside the body of plants.
• Simple tissues have only one function, but complex tissues have several cell types and carry out multiple functions, such as support and conduction. Complex tissues include phloem and xylem, for instance.
• The vascular tissue of plants called xylem transports water and dissolved minerals from the roots to the rest of the plant while also offering structural support. The tracheary components, a variety of specialized, water-conducting cells, make up xylem tissue.

Xylem can be found:

• in vascular bundles, which are found in both woody and non-woody portions of plants.
• In woody plants, a meristem known as the vascular cambium lays down secondary xylem.
• as a component of an unbroken Stelar arrangement, as in many ferns.

Primary xylem:

Primary growth from procambium results in the formation of the primary xylem. Protoxylem and metaxylem are parts of it. Protoxylem develops first, followed by secondary xylem and metaxylem. Compared to the protoxylem, the metaxylem has broader vessels and tracheids.

Secondary xylem:

From vascular cambium, secondary xylem is created during secondary growth. Although members of the gymnosperm groups Gnetophyta and Ginkgophyta as well as, to a lesser extent, those of the Cycadophyta have secondary xylem, the two principal groupings are:

• There are around 600 species of conifers (Coniferae) in existence.   All species contain secondary xylem, and this group's species are all rather similar in terms of structure. The secondary xylem of many conifers that grow to be tall trees is utilized and sold as softwood.
• angiosperms (Angiospermae): there are approximately 250,000  known species of angiosperms. Within this group secondary xylem is rare in the monocots.Many non-monocot angiosperms become trees, and the secondary xylem of these is used and marketed as hardwood.