333883 The vessel cells are devoid of ____

333884 Which cell control the functions of sieve tubes?

333885 Mark the incorrect statement.
I. Sieve tube members have sieve plates where they join with other sieve tube members.
II. The sieve tube elements and companion cells are connected by pit fields present between their common longitudinal walls.
III. Companion cells help in maintaing the pressure gradient in sieve tube.
IV. Companion cells lie adjacent to sieve tube cells.

333886 Xylem fibres have highly thickened walls and ____ central lumens.

333887 At maturity, phloem fibres,

333883 The vessel cells are devoid of ____

333884 Which cell control the functions of sieve tubes?

333885 Mark the incorrect statement.
I. Sieve tube members have sieve plates where they join with other sieve tube members.
II. The sieve tube elements and companion cells are connected by pit fields present between their common longitudinal walls.
III. Companion cells help in maintaing the pressure gradient in sieve tube.
IV. Companion cells lie adjacent to sieve tube cells.

333886 Xylem fibres have highly thickened walls and ____ central lumens.

333887 At maturity, phloem fibres,

333883 The vessel cells are devoid of ____

333884 Which cell control the functions of sieve tubes?

333885 Mark the incorrect statement.
I. Sieve tube members have sieve plates where they join with other sieve tube members.
II. The sieve tube elements and companion cells are connected by pit fields present between their common longitudinal walls.
III. Companion cells help in maintaing the pressure gradient in sieve tube.
IV. Companion cells lie adjacent to sieve tube cells.

333886 Xylem fibres have highly thickened walls and ____ central lumens.

333887 At maturity, phloem fibres,

333883 The vessel cells are devoid of ____

333884 Which cell control the functions of sieve tubes?

333885 Mark the incorrect statement.
I. Sieve tube members have sieve plates where they join with other sieve tube members.
II. The sieve tube elements and companion cells are connected by pit fields present between their common longitudinal walls.
III. Companion cells help in maintaing the pressure gradient in sieve tube.
IV. Companion cells lie adjacent to sieve tube cells.

333886 Xylem fibres have highly thickened walls and ____ central lumens.

333887 At maturity, phloem fibres,

333883 The vessel cells are devoid of ____

333884 Which cell control the functions of sieve tubes?

333885 Mark the incorrect statement.
I. Sieve tube members have sieve plates where they join with other sieve tube members.
II. The sieve tube elements and companion cells are connected by pit fields present between their common longitudinal walls.
III. Companion cells help in maintaing the pressure gradient in sieve tube.
IV. Companion cells lie adjacent to sieve tube cells.

333886 Xylem fibres have highly thickened walls and ____ central lumens.

333887 At maturity, phloem fibres,