A group of cells alike in form, function and origin constitute a/an

Options

A. Tissue
B. Organ
C. Organelle
D. Organ system

Answer

To solve the question, "A group of cells alike in form, function and origin constitute a/an," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question is asking for a term that describes a collection of cells that share similar characteristics in terms of their shape (form), their role (function), and their source (origin).

2. **Analyze the Options**: The options provided are:
- a) Tissue
- b) Organ
- c) Organelles
- d) Organ system

3. **Define Each Option**:
- **Tissue**: A group of cells that are similar in structure and function.
- **Organ**: A structure composed of different types of tissues working together for a specific function.
- **Organelles**: Specialized structures within a cell that perform specific functions (e.g., mitochondria, nucleus).
- **Organ System**: A group of organs that work together to perform complex functions (e.g., the digestive system).

4. **Identify the Correct Answer**: Based on the definitions:
- The term that best fits the description of a group of cells that are alike in form, function, and origin is **Tissue**.

5. **Conclusion**: Therefore, the correct answer to the question is **Tissue**.

### Final Answer:
A group of cells alike in form, function, and origin constitute a/an **Tissue**.

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