Sclerenchyma
Sclerenchyma
Tissues are the group of cells that perform a particular function. In plants there are present two type of tissues : Meristametic tissues and permanent tissues. Sclerenchyma is a type of simple permanent tissue.
Sclerenchyma:
The tissue is composed of long, narrow cells whose walls are evenly thickened with lignin. Lignin is a chemical that acts like cement, sticking fibres and hardening them. Sclerenchyma cells are dead. They are packed together closely and provide strength and flexibility to plant parts.
They are present in stems, veins of leaves, the hard covering of seeds and nuts, and the husk of coconut.
Which of the following are correct : (a) Tissues are the group of cells that perform a particular function. (b) In plants there are present two type of tissues are meristametic tissues and permanent tissues. (c) Sclerenchyma is a type of simple permanent tissue. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct ? (a) Tissues are the group of cells that perform a particular function . (b) Sclerenchyma is a type of complex permanent tissue. | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following are correct ? (a) Meristametic tissues and permanent tissues are present in collenchyma . (b) Sclrenchyma are packed together closely and provide strength and flexibility to plant parts. (c) Sclrenchyma are present in stems, veins of leaves, the hard covering of seeds and nuts, and the husk of coconut . | |||
| Right Option : B | |||
| View Explanation | |||
Students / Parents Reviews [10]
My 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
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
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
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
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
8thI 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
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
7thAbhyas 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.
