EASY
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What are xylem fibres made of?

Important Questions on Transport in Plants

EASY
Tracheids differ from the tracheary elements in:
EASY
The balloon-shaped structures called tyloses
MEDIUM

Match column I with column II and select the correct answer.

  Column I   Column II
A. Tracheids 1. Phloem
B. Companion cells 2. Xylem
C. Intrafascicular cambium 3. Secondary meristem
D. Cork cambium 4. Primary meristem
MEDIUM
The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is:
MEDIUM
Name the main components of xylem. Which of these is most suitable for carrying water?
HARD
Which of the following statement is true?
HARD
Give any four differences between tracheids and vessels.
HARD
In plants having longest vessel, oil glands are formed
HARD
What is xylem? Explain the structure of various kinds of components of xylem.
EASY
Which of the following statement is true?
MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

EASY
In stems, the protoxylem lies towards the center (pith) and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called
HARD
Distinguish between Tracheid and vessel
MEDIUM
Name the main components of xylem. Which of these is suitable for carrying water?
EASY
Vessels are present in the xylem of:
MEDIUM

I. Cells are living and thin-walled and their cell walls are made up of cellulose.

II. They store food material

III. The radial conduction of water in plants takes place by the help of these tissues.

Which of the above features belongs to xylem parenchyma?

HARD
Which of following option is correct for both tracheid and vessels?