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A tissue is a group of similar cells hel...

A tissue is a group of similar cells held together by a cementing substance produced by them, for performing a specific function. There are two types of tissue in plants i.e., meristematic tissue and permanent tissue. Meristematic tissue are found in all growing parts of plants such as root and shoot tips. These are called apical meristem. The tissue occurs right from the birth of plant, are called primary meristems. Permanent tissue arise from meristematic tissue and constitute major portion of the plant body. These includes simple and complex tissues. Simple tissues are parenchyma, sclerenchyma and collenchyma, complex tissue are xylem and phloem.
Which cells have the ability to divide?

A

Meristem

B

Xylem

C

Phloem

D

None of these

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The correct Answer is:
### Step-by-Step Solution: 1. **Understanding the Definition of Tissue**: - A tissue is defined as a group of similar cells that are held together by a cementing substance produced by them and perform a specific function. 2. **Identifying Types of Plant Tissues**: - There are two main types of tissues in plants: - **Meristematic Tissue**: This tissue is responsible for growth and has the ability to divide. - **Permanent Tissue**: This tissue arises from meristematic tissue and does not generally divide further. 3. **Characteristics of Meristematic Tissue**: - Meristematic tissues are found in the growing parts of plants, such as the tips of roots and shoots (apical meristem). - They are present from the birth of the plant and are referred to as primary meristems. 4. **Characteristics of Permanent Tissue**: - Permanent tissues arise from the differentiation of meristematic tissues and constitute the major portion of the plant body. - Permanent tissues can be classified into simple tissues (like parenchyma, sclerenchyma, and collenchyma) and complex tissues (like xylem and phloem). 5. **Identifying Cells with Dividing Ability**: - Among the types of tissues discussed, only the **meristematic tissue** has the ability to divide. - In contrast, permanent tissues (xylem and phloem) do not have the ability to divide. 6. **Conclusion**: - Therefore, the cells that have the ability to divide are the **meristematic cells**. ### Final Answer: The cells that have the ability to divide are **meristematic cells**. ---
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Meristematic Tissues

Meristematic Tissues

Meristematic Tissues

Permanent tissues differ from meristematic tissue in