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Life, 4/e

Ricki Lewis, University of New York at Albany
Mariëlle Hoefnagels, University of Oklahoma
Douglas Gaffin, University of Oklahoma
Bruce Parker, Utah Valley State College

Plant Form and Function

Chapter Quiz


1	What type of plant tissue covers and protects the plant and controls gas exchange?
		A)	meristematic tissue
		B)	dermal tissue
		C)	ground tissue
		D)	vascular tissue


2	______________ meristems are responsible for primary growth (growth in length) of the plant.
		A)	Apical
		B)	Lateral
		C)	Intercalary
		D)	All of these are correct.


3	Where in a young plant would you expect to find collenchyma cells?
		A)	near differentiated cells, such as vascular tissue
		B)	as packing in the pith
		C)	near the meristematic tissue which is dividing and growing
		D)	near the epidermis


4	Cells that give a pear its gritty texture are _____________.
		A)	sclerenchyma sclerids
		B)	sclerenchyma fibers
		C)	collenchyma
		D)	chlorenchyma


5	What are the specialized epidermal cells that monitor gas exchange in leaves?
		A)	stomata
		B)	guard cells
		C)	trichomes
		D)	cuticle


6	The least specialized conducting cells are __________ that move water in nonflowering and flowering plants.
		A)	vessel elements
		B)	sieve cells
		C)	tracheids
		D)	sieve tube members


7	_______________ are the cells of phloem located near sieve tube members that help transfer carbohydrates into and out of sieve tube members.
		A)	Vessel elements
		B)	Sieve cells
		C)	Companion cells
		D)	Tracheids


8	The areas of stems to which leaves attach are ___________.
		A)	nodes
		B)	internodes
		C)	axils
		D)	rosettes


9	Examples of modified stems include which of the following?
		A)	stolons
		B)	thorns
		C)	tendrils
		D)	tubers
		E)	All of these are correct.


10	What is the name given to leaves whose leaflets are attached to one point at the top of the petiole?
		A)	simple
		B)	pinnate
		C)	palmate
		D)	compound


11	Within the typical leaf, _______________ cells are specialized for light absorption.
		A)	palisade mesophyll
		B)	spongy mesophyll
		C)	vein
		D)	epidermal


12	Trees that shed their leaves at the end of the growing season are called _____________ trees.
		A)	arboreal
		B)	deciduous
		C)	evergreen
		D)	None of these is correct.


13	What is an embryonic root called?
		A)	plumule
		B)	cotyledon
		C)	radicle
		D)	root cap


14	What substance or structure at the root tip protects it from desiccation?
		A)	root cap
		B)	endodermis
		C)	mucigel
		D)	the Casparian strip


15	What is the innermost ring of cortex tissue called?
		A)	endodermis
		B)	hypodermis
		C)	Casparian strip
		D)	pericycle


16	Tissue that produces branch roots that eventually reach into the soil is called __________.
		A)	endodermis
		B)	hypodermis
		C)	Casparian strip
		D)	pericycle


17	True or false. Lateral meristems are called the vascular cambium and the cork cambium.
		A)	True
		B)	False


18	Firs, pines, and spruces produce what kind of wood?
		A)	softwood
		B)	hardwood
		C)	heartwood
		D)	sapwood


19	True or false. The epidermis of a plant is generally nonphotosynthetic.
		A)	True
		B)	False


20	True or false. Most plants stop growing at some point because meristems age and cease to function.
		A)	True
		B)	False

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