9th class science-Tissues-CBSE NCERT Solution

9th class science-Tissues-CBSE NCERT Solution

‘Tissues and Types of Tissues’ of  Class 9 Science.

Tissues – Our body is made up of Tissues. When the number of cells combines and perform the same function, then it is called Tissues. There are two types of tissues – Plant Tissues and Animal Tissues.

These are the Dividing Tissues which are located in specific regions.

• Apical Meristem – These are present at the tip of the stem and roots. They increase the length of the plant.
• Intercalary Meristem– These are present at the base of the leaves and at inter nods. It helps in the growth of the inner nodal region.
• Later Meristem – There are present on lateral sides of steam and roots. It increases the diameter due to the cambium.

Structure of Meristem–

• They have dense cytoplasm to the nucleus.
• They have a thin wall of cellulose and do not have vacuoles.

The Function of Meristem is to divide and help in growth.

For more details on Plant Tissues, click CBSE Class 9 Science

Permanent Tissues-

When the cell of Meristematic Tissues loses their ability to divide, then it becomes Permanent Tissues.

Types of Permanent Tissues–

Simple Tissues- It is the basic Packing Tissue which is made up of only one type of Tissue.

Continue.. Class 9 science Tissues..

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