Permanent Tissue
Permanent Tissue
The division and differentiation of the cells of meristematic tissues give rise to permanent tissues. Cell division is the formation of two or more daughter cells from one mother cell. A cell has broadly two ‘parts: nucleus and cytoplasm. In cell division both parts divide successively.
Cell Differentiation is when developing tissues and organs change from simple to more complex forms to become specialized for specific functions. The cells of permanent tissues lose the capacity to divide and attain a permanent shape, size and function.
Classification of Permanent Tissues:
1. Depending on Their Origin, permanent tissues are of two types—primary and secondary.
Primary Permanent tissues are derived from apical and intercalary meristems,
Secondary Permanent tissues are derived from lateral meristems, or cambium cells
2. On the basis of their composition, permanent tissues can be simple or complex. Besides these there are special secretory tissues:
Simple Permanent Tissues consist of similar permanent cells that perform the same function or a similar set of functions. Parenchyma, collenchyma and sclerenchyma are three types of simple permanent tissues.
Complex Permanent Tissues are a group of different types of cells that perform a common function. Xylem and phloem are two types of complex permanent tissues.
_________________ are a group of different types of cells that perform a common function. | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following are correct ? (a) The division and differentiation of the cells of permanent tissues give rise to meristematic tissues . (b) The cells of permanent tissues lose the capacity to divide and attain a permanent shape, size and function. | |||
| Right Option : B | |||
| View Explanation | |||
The cells of ___________________ tissues lose the capacity to divide and attain a permanent shape, size and function. | |||
| Right Option : A | |||
| View Explanation | |||
Students / Parents Reviews [10]
It 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
10thBeing 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
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
8thIt 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
10thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
7thMy 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
7thIt 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
8thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
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.
