A cell is the structural, functional and basic unit of a life. Every living organism existing on the planet earth are made up of a cell. Therefore, the cell is called a basic unit of life.
CBSE Notes Class 11 Biology Chapter 8 The Unit of Life
The term cell was first discovered by an English philosopher Robert Hooke in the year 1665. A cell has specialized organelles with different functions. There are two main types of cell.
- Prokaryotic cells
They are the cells which do not have the true nucleus. All the single-celled or unicellular organisms including amoeba, bacteria, and paramecium are grouped into prokaryotes.
- Eukaryotic cells
They are the cells with the true nucleus and other specialized organelles. All the multicellular organisms including Plants, animals, birds, algae, reptiles are grouped into Eukaryotes and are composed of many cells.
For more information about the Cell-The Unit of Life, click on the below-mentioned links.
| Cell | Cell Structure |
| Animal Cell | Plant Cell |
| Cell Organelles |
Prokaryotic and Eukaryotic Cell |
Frequently Asked Questions on CBSE Class 11 Biology Notes Chapter 8: Cell the Unit of Life
Is Class 11 CBSE Biology difficult?
Biology involves a lot of diagrams and pictorial representation. Constant practise in these can make Biology an easy subject.
How can students revise Class 11 CBSE Biology?
Students can make use of notes to revise any subject before the exam. Notes which contain charts, tabulations will help in the last minute revision.
What can a student do to score high marks in Class 11 CBSE Biology?
Practise question papers, study from notes, draw and learn diagrams which are difficult. These are some of the ways to score high grades in Biology.
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