NEET BIOLOGY

STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS

ANATOMY OF FLOWERING PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
All xylem elements, when mature, are dead except
A
Tracheids
B
Vessels
C
Xylem parenchyma
D
Xylem fibres
Explanation: 

Detailed explanation-1: -Xylem is a complex permanent plant tissue . It is involved in the conduction of minerals and water from roots to other parts of the plant. It consists of vessels, tracheids, xylem fibres and xylem parenchyma. Except for xylem parenchyma, all other components of xylem tissue are dead.

Detailed explanation-2: -The cells of xylem are dead at maturity and devoid of protoplasm except for xylem parenchyma cells, which are living cells.

Detailed explanation-3: -According to researchers and botanists, the elements of xylem tissue are dead except for the living parenchyma. The location of the xylem vessels is present in the vascular bundle carved into the plant and the xylem movement is unidirectional.

Detailed explanation-4: -Tracheids, vessels and xylem fibres are dead when mature.

There is 1 question to complete.