NEET BIOLOGY

PLANT PHYSIOLOGY

TRANSPORT IN PLANT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following statements are true
A
Both xylem and phloem are made up of non-living tissue
B
Both xylem and phloem allow flow of materials both up and down the plant
C
Both xylem and phloem have no nucleus
D
Both xylem and phloem are formed of many cells joined end to end
Explanation: 

Detailed explanation-1: -2. What are the similarities between xylem and phloem? Xylem and phloem both are complex tissues having more than one kind of cell. Both of them are the components of the vascular tissue system in plants.

Detailed explanation-2: -Xylem and phloem facilitate the transportation of water, minerals and food throughout the plant. Xylem carries water and minerals from the roots to the leaves. Whereas, phloem carries the food prepared by the leaves to different parts of the plant.

Detailed explanation-3: -Phloem is living tissue, responsible for transporting food and other organic materials. Xylem consists of dead cells (parenchyma is the only living cells present in the xylem). Pholem mainly contains living cells (fibres are the only dead cells in the phloem).

There is 1 question to complete.