AP BIOLOGY

PLANTS

TRANSPORT IN PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Phloem cells are dead
A
True
B
False
Explanation: 

Detailed explanation-1: -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).

Detailed explanation-2: -It is a living tissue, which is responsible for transporting food and other organic materials. Xylem generally consists of dead cells (parenchyma is the only living cell present in the xylem).

Detailed explanation-3: -Final answer: Phloem fibre is dead tissue.

Detailed explanation-4: -Phloem consists of living cells. The cells that make up the phloem are adapted to their function: Sieve tubes – specialised for transport and have no nuclei .

Detailed explanation-5: -Phloem companion cells are parenchymatous and these have a nucleus. These are also the living cells of phloem. Phloem fibers are dead.

There is 1 question to complete.