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Home » Class 9 » Tissues » Complex tissue

Complex tissue

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 4 Comments

Question 1 What are complex tissue?
Question 2 Name two types of complex tissues?
Question 3 What is the function of xylem in plants?
Question 4 What is the function of phloem in plants?
Question 5 Name different types of xylem tissue?
Question 6 Name different types of phloem tissue?
Question 7 Differentiate between tracheid and vessels?
Complex 
The complex tissue consist of more than one type of cells.All the cells coordinate to perform a common function.they transport water,minerals salts,food material to various parts of plant body.
They are of 2 types:
1)Xylem
2)Phloem
They are conducting tissue and called as vascular tissue.
 
Xylem
It is composed of 4 different types of cell
1)Tracheids:They help in transport of water and minerals vertically.
 
2)Vessels:They help in transport of water and minerals vertically.
 
3)Xylem parenchyma:They store food,helps in sideways conduction of water.
 
4)xylem sclerenchyma(fibre):They are supportive in nature.
 
Phloem
It is composed of 4 types of cells:
1)Sieve tubes:They are tubular shape,their walls are perforated by numerous pores.
2)Companion cell:They are associated with sieve tubes is a small thin walled cells containing dense and very active cytoplasm an large elongated nucleus.
3)Phloem parenchyma
4)Phloem fibres:They are dead cells.
 
Phloem transport prepared food material from leaves to various plant parts.
 
 

Filed Under: Class 9, Tissues Tagged With: companion cell, complex tissue, phloem, phloem fibres, sieve tubes, tracheids, vessels, Xylem, xylem parenchyma, xylem sclerenchyma

About Mrs Shilpi Nagpal

Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. She has started this educational website with the mindset of spreading Free Education to everyone.

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Comments

  1. Biplab roy says

    December 11, 2018 at 8:46 am

    Thank you and it really helped me a lot

    Reply
  2. Shyna says

    September 26, 2019 at 6:28 am

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    Reply
  3. AYUSH thakur says

    December 28, 2019 at 5:09 pm

    It was really helpful.i got clear information about complex tissue,xylem,phloem related to my course.thanks class notes.org.in and Google assistant….

    Reply
  4. Palani says

    October 22, 2020 at 11:40 am

    Thank you its really help me for my examination

    Reply

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