A) includes live companion cells and dead sieve cells.
B) encompasses more stem volume than secondary xylem.
C) primarily stores carbohydrates.
D) is part of the inner bark.
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Multiple Choice
A) reflect light from leaf surfaces
B) store or secrete salt
C) defend against insects
D) structural support
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Multiple Choice
A) leaves
B) ground tissue
C) procambium
D) cork cambium
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Multiple Choice
A) vascular cambium.
B) cork cambium.
C) intercalary meristems.
D) ground meristem.
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Multiple Choice
A) Root hairs are white, while roots are brown.
B) Root hairs are extensions of single cells, while roots are multicellular.
C) Root hairs only absorb water, not nutrients like roots.
D) Root hairs do not have a cuticle.
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Multiple Choice
A) primary growth.
B) secondary growth.
C) vascular cambium growth.
D) mitotic growth.
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Multiple Choice
A) potassium
B) nitrogen
C) calcium
D) phosphorus
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Multiple Choice
A) root cap
B) zone of maturation
C) zone of elongation
D) zone of cell division
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Multiple Choice
A) They can be apical or lateral.
B) Meristematic cells divide into two cells, one of which remains a meristem cell and another that becomes a plant body cell.
C) Apical meristems give rise to three types of embryonic tissues.
D) Meristematic cells are found only in eudicots and not in monocots.
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Multiple Choice
A) meristem.
B) petiole.
C) stele.
D) receptacle.
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Multiple Choice
A) central vacuoles.
B) many chloroplasts.
C) oxygen bubbles.
D) veins.
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Multiple Choice
A) parenchyma tissue.
B) phloem tissue.
C) sclerenchyma tissue.
D) collenchyma tissue.
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Multiple Choice
A) parenchyma
B) aerenchyma
C) periderm
D) collenchyma
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Multiple Choice
A) xylem (primary and secondary) .
B) xylem (only primary) .
C) phloem (primary and secondary) .
D) phloem (only secondary) .
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Multiple Choice
A) Root hairs are tubular extensions of individual epidermal cells.
B) A root hair is isolated from its epidermal cell with a cross wall.
C) Root hairs generally live only a few days before being sloughed off.
D) Root hairs increase the absorption of water and minerals.
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Multiple Choice
A) gravity perception
B) rapid cell division
C) protection of the root tip
D) pushing away soil particles as the root grows
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Multiple Choice
A) have two or more petioles per blade.
B) have a blade divided into leaflets.
C) are toothed at the edges.
D) are alternately arranged.
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Multiple Choice
A) Secondary growth in plants is a result of lateral meristems.Trees and shrubs have active lateral meristems.
B) Secondary growth in plants increases the girth (diameter) of woody plants.
C) Secondary growth in woody plants results from two cylinders of actively dividing cells, the cork cambium and vascular cambium.
D) The cork cambium produces secondary phloem while the vascular cambium produces secondary xylem.
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Multiple Choice
A) 50 feet
B) 56 feet
C) 26 feet
D) 6 feet
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Multiple Choice
A) intercalary meristem
B) lateral meristem
C) primary meristem
D) secondary meristem
Correct Answer
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