162694
Mark the incorrect statement.
I. Companion cell are specialised parenchymatous cells.
II. The sieve tube elements and companion cells are connected by pit fields present between their common logitudinal walls.
III. The functions of sieve tubes are controlled by cytoplasm to sieve tube cells.
IV. Companion cell lie adjacent to sieve tube cells.
V. Companion cells help in maintaining the pressure gradient in sieve tube.
162694
Mark the incorrect statement.
I. Companion cell are specialised parenchymatous cells.
II. The sieve tube elements and companion cells are connected by pit fields present between their common logitudinal walls.
III. The functions of sieve tubes are controlled by cytoplasm to sieve tube cells.
IV. Companion cell lie adjacent to sieve tube cells.
V. Companion cells help in maintaining the pressure gradient in sieve tube.
162694
Mark the incorrect statement.
I. Companion cell are specialised parenchymatous cells.
II. The sieve tube elements and companion cells are connected by pit fields present between their common logitudinal walls.
III. The functions of sieve tubes are controlled by cytoplasm to sieve tube cells.
IV. Companion cell lie adjacent to sieve tube cells.
V. Companion cells help in maintaining the pressure gradient in sieve tube.
162694
Mark the incorrect statement.
I. Companion cell are specialised parenchymatous cells.
II. The sieve tube elements and companion cells are connected by pit fields present between their common logitudinal walls.
III. The functions of sieve tubes are controlled by cytoplasm to sieve tube cells.
IV. Companion cell lie adjacent to sieve tube cells.
V. Companion cells help in maintaining the pressure gradient in sieve tube.