Companion cells in gymnosperms? -Biology

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Description : Companion cells of phloem are found in – (1) Gymnosperms (2) Bryophyta (3) Pteridophyta (4) Angiosperms

Last Answer : (4) Angiosperms Explanation: Only in angiosperms are sieve tubes and companion cells found in the plaloern. In other vascular plants, parenchyma cells function in the same way as companion cells (that ... living protoplasm), but they are not derived from the same mother cell as the sieve element.

Description : Phloem in gymnosperms lacks (a) both sieve tubes and companion cells (b) albuminous cells and sieve cells (c) sieve tubes only (d) companion cells only.

Last Answer : (a) both sieve tubes and companion cells

Description : Phloem in gymnosperms lacks (a) both sieve tubes and companion cells (b) albuminous cells and sieve cells (c) sieve tubes only (d) companion cells only

Last Answer : (a) both sieve tubes and companion cells

Description : Companion cells of phloem are found in (1) Gymnosperms (2) Bryophyta (3) Pteridophyta (4) Angiosperms

Last Answer : Angiosperms

Description : Companion cells function? -Biology

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Description : Companion cells are associated with? -Biology

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Description : Companion cells are usually seen associatied with

Last Answer : Companion cells are usually seen associatied with A. Fibres B. Trancheids C. Vessels D. Sievenes

Description : State the function of a) sieve tubes b) sieve plate c) companion cells d) phloem fibres.

Last Answer : a) Sieve tubes: They play an important role in the conduction of food. b) Sieve plate: It allows the food to pass through the pores. c) Companion cells: They control the passage of food through the phloem. d) Phloem fibres: They provide tensile strength to the plant body.

Description : What are companion cells?

Last Answer : Companion cells are living cells that are closely associated with sieve tubes. They control the passage of food through phloem.

Description : Bordered pits are found in (a) sieve cells (b) vessel wall (c) companion cells (d) sieve tube wall.

Last Answer : (b) vessel wall

Description : Transport of food material in higher plants takes place through (a) companion cells (b) transfusion tissue (c) tracheids (d) sieve elements.

Last Answer : (d) sieve elements.

Description : Function of companion cells is (a) providing energy to sieve elements for active transport (b) providing water to phloem (c) loading of sucrose into sieve elements by passive transport (d) loading of sucrose into sieve elements.

Last Answer : (d) loading of sucrose into sieve elements.

Description : Companion cells are closely associated with (a) sieve elements (b) vessel elements (c) trichomes (d) guard cells.

Last Answer : a) sieve elements

Description : Bordered pits are found in (a) sieve cells (b) vessel wall (c) companion cells (d) sieve tube wall

Last Answer : (b) vessel wall

Description : Transport of food material in higher plants takes place through (a) companion cells (b) transfusion tissue (c) tracheids (d) sieve elements.

Last Answer : d) sieve elements.

Description : Function of companion cells is (a) providing energy to sieve elements for active transport (b) providing water to phloem (c) loading of sucrose into sieve elements by passive transport (d) loading of sucrose into sieve elements.

Last Answer : (d) loading of sucrose into sieve elements.

Description : Companion cells are closely associated with (a) sieve elements (b) vessel elements (c) trichomes (d) guard cells.

Last Answer : (a) sieve elements

Description : Companion cells are usually seen associated with which tube? —

Last Answer : Sieve tube

Description : Companion cells are closely associated with (1) Guard cells (2) Sieve elements (3) Vessel elements (4) Trichomes

Last Answer : (2) Sieve elements

Description : The only plant cells without nuclei among the following are : (1) Cambium cells (2) Root hairs (3) Companion cells (4) Tracheid cells

Last Answer : Cambium cells

Description : $ Sieve tubes have "P" proteins. ! In gymnosperms, sieve tubes are associated with albuminous cells.

Last Answer : $ Sieve tubes have "P" proteins. ! In gymnosperms, sieve tubes are associated with albuminous cells. A. If ... is wrong D. If both As and R are wrong.

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Last Answer : d) bryophytes and pteridophytes.

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