CBSE Class 9 Science The Cell Exam Notes

CBSE Class 9 Science The Cell Exam Notes. Please refer to the examination notes which you can use for preparing and revising for exams. These notes will help you to revise the concepts quickly and get good marks.


In 1665, Robert Hooke observed the cell in a cork slice with the help of a primitive microscope. He saw that cork resembled the structure of a honey comb consisting of many little compartments. Robert Hooke called these boxes cells. Cell is a Latin word for 'little room.'

Unicellular And Multicellular Organisms

All living organisms are made up of one or more cells.  On the basis of cell number, organism are grouped into 2 categories -

Unicellular organisms :

* Organism in which a single cell make the whole body. For example, Amoeba, Paramecium, bacteria & Chlamydomonas.           

Multicellular organism :

* Organism in which body contains more than one cell. For example - Plante, animals & fungi.

Cell Size :

* The size of different cells ranges between broad limits.

* Some plants and animals cells are visible to the  naked eye.

* Most cells are visible only with microscope.

Please click on below link to download pdf file for CBSE Class 9 Science The Cell Exam Notes.


Click to View or Download pdf file
Click for more Science Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

CBSE Online Training for Teachers 2020

It is clear that this pandemic has utterly disrupted an education system that many assert was already losing its relevance. Enhancing professional development digitally is a need in the times of COVID-19, where social distancing and remote interactions is the new...

CBSE Decision on Board Exam 2020

The Class 10 and 12 exams are cancelled, and results for both 10th and 12th would be declared by July 15 based on internal exams. CBSE Class 12 students would have the option to appear for the exams at a later date. CBSE has a scheme in which marks scored in past 3...

Board Exams Class 10 and Class 12 Datesheet 2020

CBSE has announced the datesheet for the remaining exams of class 10 and class 12 exams. The exams are going to start in July. The class 10 and 12th board exams will be conducted for the remaining 29 papers from July 1 to July 15, 2020, at various centers nominated by...

CBSE Boards Answer Sheet Evaluation Class 10 and Class 12

HRD Minister Ramesh Pokhriyal, through a video conference with all the education ministers of the state, discussed the further steps to be taken to smoothen the education process during the Covid-19 lockdown. The most important topic which was discussed repeatedly on...

CBSE Boards Paper Checking to Start

As per the announcement recently released by the Ministry of Home Affairs, at least 3000 CBSE affiliated selected as evaluation centers for board exam answer sheets will be allowed to open for the limited purpose of evaluation purposes only. The answer sheets for Board...

Studies Today