Chapter Quiz


1	Parenchyma cells containing numerous chloroplasts are called sclerenchyma.
		A)	True
		B)	False


2	Lateral conduction of water occurs in long-lived, horizontal parenchyma cells called rays.
		A)	True
		B)	False


3	Water movement between tracheid cells occurs only when the torus is in the center of the pit pair.
		A)	True
		B)	False


4	Specialized epidermal cells called lenticels border stomata on the surface of leaves.
		A)	True
		B)	False


5	The periderm is composed of cork cells, replaces the epidermis, and constitutes the outer bark in woody plants.
		A)	True
		B)	False


6	Which of the following is NOT a primary meristem?
		A)	ground meristem
		B)	protoderm
		C)	cork cambium
		D)	procambium


7	Which type of meristem develops at intervals along the stem in the vicinity of nodes?
		A)	apical meristem
		B)	intercalary meristem
		C)	lateral meristem
		D)	vascular cambium


8	Sclerids and fibers are two forms of
		A)	sclerenchyma.
		B)	epidermal tissue.
		C)	parenchyma.
		D)	transfer cells.


9	Celery strings are an example of
		A)	periderm.
		B)	collenchyma.
		C)	xylem.
		D)	none of the above.


10	In tracheid cells, pits are
		A)	areas in which no secondary walls have developed.
		B)	formed wherever two tracheids are in contact with one another.
		C)	necessary for water transfer.
		D)	all of the above.


11	What is the name of the cell that is closely associated with sieve tube members in phloem tissue?
		A)	sieve plate
		B)	lumen
		C)	companion cell
		D)	chlorenchyma


12	What is the name of the multi-layered epidermis covering the aerial roots of an orchid?
		A)	procambium
		B)	root cap
		C)	root hair
		D)	velamen


13	Cutin is defined as
		A)	the cells surrounding the stomata.
		B)	a fatty substance secreted by epidermal cells.
		C)	a type of multi-layered epidermis.
		D)	specialized parenchyma.


14	Which of the following is a function of the epidermis?
		A)	resistance to water loss
		B)	resistance to pollution
		C)	resistance to pathogens
		D)	all of the above


15	The function of lenticels is to
		A)	prevent water loss.
		B)	provide gas exchange.
		C)	produce new bark.
		D)	produce suberin.


16	Which of the following is an example of a secretory substance?
		A)	suberin
		B)	latex
		C)	albumin
		D)	all of the above

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