A tissue is best defined as
- A group of similar cells performing a specific function
- A cell organelle inside the nucleus of the cell
- A single cell that lives independently of others
- A complete organ such as the heart or the lung
Show answer and solution
Correct answer: A. A group of similar cells performing a specific function
1. The chapter section 3.1 gives the definition explicitly.
2. A tissue is a group of similar cells doing one job.
3. Many tissues together form an organ.
4. So option A is correct.
_Source: Selina Concise Biology Class 9, Ch 3 Tissues, Plant and Animal Tissues (Mistral OCR'd PDF), section 3.1_