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Answer: A. Group is similar cells which are common in origin
The simple tissue is defined as a group of similar cells that are of common origin. These tissues are made up of identical cells that perform the same function and arise from the same origin.
Understanding Simple Tissues in Plants
Simple tissues are a type of plant tissue composed of structurally and functionally similar cells. These tissues are classified into three main types:
- Parenchyma: Thin-walled, living cells involved in storage, photosynthesis, and secretion.
- Collenchyma: Thickened cells at the corners, providing mechanical support to growing plant parts.
- Sclerenchyma: Dead cells with thick lignified walls, offering strength and rigidity to mature plants.
Since all cells in a simple tissue share the same structure and function, option (A) is correct.
Why Are the Other Options Incorrect?
- (B) Different types of cells performing the same functions. This describes complex tissues like xylem or phloem, which consist of multiple cell types working together.
- (C) Different types of cells perform different functions. This refers to organs or systems, not simple tissues.
- (D) Organised group of cells performing many functions. This describes an organ, not a simple tissue.
To wrap it up, simple tissue is defined as a group of similar cells with a common origin, making Option A the correct choice. These tissues help plants in essential functions like support, storage, and photosynthesis, and form the building blocks of plant organs.
Common Doubts in Biology
