NEET BIOLOGY

STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS

ANATOMY OF FLOWERING PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The cheif water conducting elements of xylem in gymnosperms are
A
Vessels
B
Fibres
C
Transfusion tissue
D
Tracheids
Explanation: 

Detailed explanation-1: -Let us start with a portrait of the different cell types.:Tracheids are the chief water-conducting elements in gymnosperms and seedless vascular plants. They can also be found in angiosperms. Tracheids are elongated cells, closed at both ends. They are 1 mm on average.

Detailed explanation-2: -Final answer: The chief water-conducting elements of the xylem in gymnosperms are tracheids.

Detailed explanation-3: -a) Gymnosperms like Gnetales species have the presence of xylem tracheids and sieve tubes in phloem in their vascular system.

Detailed explanation-4: -The chief water conducting elements of xylem in gymnosperms are tracheids. These are elongated cells with tapering ends and are dead because of deposition of lignin. These show scalariform, annular, reticulate or bordered pitted thickening.

Detailed explanation-5: -Tracheids are considered the chief water-conducting elements in gymnosperms and pteridophytes.

There is 1 question to complete.