EASY
Earn 100

Xylem fibre is a
(a)Bast fibre
(b)Wood fibre
(c)Heart wood
(d)Libriform fbre

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Important Questions on Structural Organisation in Plants
EASY
The balloon-shaped structures called tyloses

EASY
Tracheids differ from the tracheary elements in:

EASY
Which is the living mechanical tissue in plants?

EASY
The xylem in plants are responsible for

MEDIUM
Where are companion cells located in plants? Mention their functions.

MEDIUM
Which of the following are characteristic of angiosperms ?

MEDIUM
Give an account of structure and function of xylem.

MEDIUM
Describe components of phloem. Define translocation.

MEDIUM
Choose the incorrectly matched pair from the options given below

MEDIUM
Which is the only constituent of xylem that is living?

MEDIUM
What is phloem? Give its constituents and mention their functions.

MEDIUM
Nucleus is not present in

MEDIUM
Which component of xylem is responsible for the transport of minerals?

MEDIUM
Companion cells are associated with

MEDIUM
Name a component of phloem formed by the end to end fusion of cells with perforated transverse walls.

MEDIUM
What is xylem? Give its constituents and mention their functions.

MEDIUM
Identify the phloem component which provides mechanical strength to this tissue.

MEDIUM
Differentiate between tracheids and vessels.

MEDIUM
Differentiate between xylem and phloem.

EASY
Sieve tubes are suited for translocation of food because they possess

