Cell
Cell
Cell: there is large variety of living organisms around us. Each organism starts its life as a single cell. Cells have many functions which keep an organism alive. The cells is the basic structural and functional unit of all living organisms. It is the smallest unit of life and thus it is known as building blocks or basic structural unit of life. As the blocks can be joined in many ways to make the building of different shapes and sizes. In the same way all , living organisms are made differently of different shapes, sizes and by different number of cells.
| Cell type | Life span |
| Red blood cells | less than 120 days |
| White blood cells | 13 to 20 days |
| Liver cell | 200 to 300 days |
| Skin epidermal cells | 2 to 4 weeks |
| Cardiac cell | Long lived |
| Nerve cell | Long lived |
| Epithelia of small intestine | 1 week or less |
The branch of science that deals with the study of cell is called as cytology.
Cell theory was given by ____________________. | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following cell organelle is not enclosed by a unit membrane? | |||
| Right Option : B | |||
| View Explanation | |||
The history of cell began in 1665 with the publication of Micrographia in London by the scientist _________________. | |||
| Right Option : A | |||
| View Explanation | |||
Students / Parents Reviews [10]
Being a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
Prisha Gupta
8thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
Barkha Arora
10thIt was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Eshan Arora
8thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thMy experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
10thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
8thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
