Question

The wood is,in fact,a (1)Primary xylem (2)Primary phloem (3) Secondary xylem (4)Secondary phloem

Answer 1

Answer:

secondary xylem

Explanation:

secondary xylem is wood which in side plant

above secondary xylem secondary phloem will less present

Answer 2

Secondary xylem is the wood. Therefore the answer is (3) secondary xylem.

Explanation-

• Wood is found in stems and roots of the trees and are fibrous and porous tissue in nature.
• Secondary xylem has strong fibres and cellulose which provide support in the plants.
• Water-conducting tissues in the plants is due to the seconary growth.
• Wood is a very common example of dictos and gymnosperms.
• Wood is used as a construction material, used for making paper, making furniture, weapons, etc.
• These tissues conduct water and food throughout the plant.
• The thickness in stem is due to the secondary xylem in the plants.
• Gymnosperms and dictos show constant secondary growths.
• The wood is formed in layers.
• During each season a new layer of wood is formed.
• The rings are known as annual rings and are formed during this process.
• These rings estimate tree’s age.