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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

Plantae

Chapter Quiz


1	Which of these traits does not characterize plants?
		A)	cellulose cell walls
		B)	autotrophic
		C)	glycogen as a nutrient reserve
		D)	chlorophylls a and b


2	During alternation of generations, a plant alternates between ______________.
		A)	gametophyte and sporophyte
		B)	diploid and haploid
		C)	gamete-producer and spore-producer
		D)	All of these are correct.


3	The main criterion used to differentiate between major plant groups is ____________.
		A)	color
		B)	type of chlorophyll
		C)	presence of vascular tissue to transport water and nutrients
		D)	flower type


4	Plants most likely evolved from what group?
		A)	freshwater green algae called charophytes
		B)	red and brown algae
		C)	Chrysophyta
		D)	All of these groups gave rise to at least one group of land plants.


5	What trait(s) enabled plants to conquer dry land?
		A)	lignin reenforcing cell walls
		B)	vascular tissue
		C)	waterproof cuticle and stomata
		D)	All of these are correct.


6	At what point in evolutionary history did the coevolution of flowers and insects become important?
		A)	at the beginning of the Cambrian
		B)	during the Devonian period
		C)	about 90 million years ago
		D)	recently, around 100,000 years ago


7	The archegonia of a moss produces a(n) ___________.
		A)	abundant supply of sperm cells
		B)	flower
		C)	egg
		D)	spores


8	True or false. Most bryophyte reproduction occurs asexually.
		A)	True
		B)	False


9	What do bryophytes require for successful reproduction that other more complex plants do not?
		A)	high summer temperatures
		B)	a period of dormancy
		C)	free water in which sperm can swim to eggs
		D)	freezing temperatures to activate sperm cells


10	The bryophyte that has a thalloid life form and reproduces asexually by gemmae is the _________.
		A)	moss
		B)	liverwort
		C)	hornwort
		D)	All of these are correct.


11	How are the cells of hornworts different from the cells of other bryophytes?
		A)	interlocking
		B)	thick-walled
		C)	one chloroplast per cell
		D)	All of these are correct.


12	Peat moss is economically important because it is a significant ____________.
		A)	source of fertilizer
		B)	renewable energy source
		C)	habitat for other organisms
		D)	ecosystem


13	How do seedless vascular plants differ from bryophytes?
		A)	well-developed cuticle
		B)	vascular tissue
		C)	different life cycle
		D)	Both a and b are correct.


14	The largest group of seedless vascular plants are the ___________.
		A)	true ferns
		B)	horsetails
		C)	club mosses
		D)	whisk ferns


15	The simplest seedless vascular plants with no true leaves and no roots are the ______________.
		A)	true ferns
		B)	horsetails
		C)	club mosses
		D)	whisk ferns


16	True or false. One of the most significant events in the evolution of vascular plants was the origin of the seed.
		A)	True
		B)	False


17	The spores of a seed-bearing plant can give rise to a ______________.
		A)	male gametophyte
		B)	female gametophyte
		C)	sporophyte
		D)	Both a and b are correct.


18	The oldest living tree species is a ____________.
		A)	gingko
		B)	conifer
		C)	Gnetophyte
		D)	pine tree


19	True or false. The pine life cycle is so rapid that new seeds are sprouting only three months after pollination.
		A)	True
		B)	False


20	Angiosperms are the only plants that produce _____________.
		A)	pinnate leaves
		B)	flowers
		C)	sperm
		D)	seeds


21	The extinction of dinosaurs in the Tertiary period _____________.
		A)	coincided with a great loss of plant diversity
		B)	lead to the rapid evolution of the cycads
		C)	was followed by an explosion of angiosperm evolution
		D)	was followed by a distinct increase in gymnosperm populations

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