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Biology, 6/e

Author Dr. George B. Johnson, Washington University
Author Dr. Peter H. Raven, Missouri Botanical Gardens & Washington University
Contributor Dr. Susan Singer, Carleton College
Contributor Dr. Jonathan Losos, Washington University

Plant Reproduction

Multiple Choice Quiz

Please answer all questions


1	In the angiosperm life cycle, which of the following is not a member of the sporophyte generation?
		A)	carpel
		B)	anther
		C)	pollen
		D)	ovary


2	A number of megaspores degenerate after being produced by the meiosis of the megaspore mother cell. That number is
		A)	4
		B)	3
		C)	2
		D)	1


3	Early seed plants were pollinated by
		A)	bees
		B)	birds
		C)	wind
		D)	butterflies


4	A plant that flowers in its second year of growth and then dies is
		A)	a biennial
		B)	a semi-annual
		C)	an annual
		D)	a perennial


5	Which of the following flowering arrangements promotes self-pollination?
		A)	monoecious
		B)	dioecious
		C)	dichogamous
		D)	none of the above


6	Herbaceous perenials store food in their
		A)	branches
		B)	trunk
		C)	roots
		D)	leaves
		E)	shoots


7	Which of the following is not an annual plant?
		A)	cabbage
		B)	corn
		C)	sunflower
		D)	wheat
		E)	soybean


8	The male gametophyte of a flowering plant is the
		A)	pollen sac
		B)	microspore
		C)	sperm cell
		D)	microspore mother cell
		E)	pollen grain


9	If a flower is to be pollinated by moths, it should be
		A)	red
		B)	blue
		C)	purple
		D)	orange
		E)	yellow


10	Plants that produce only ovules or pollen are called
		A)	monoecious
		B)	monogamous
		C)	dichogamous
		D)	dioecious
		E)	bigamous


11	Angiosperm fossil pollen appears clearly in the early part of the _______________ period.
		A)	Triassic
		B)	Permian
		C)	Carboniferous
		D)	Jurassic
		E)	Cretaceous


12	Which of the following is a plant whose seeds are dispersed by wind?
		A)	elm
		B)	oak
		C)	willow
		D)	cottonwood
		E)	milkweed


13	If a flower is to be pollinated by bees, it should be
		A)	red
		B)	white
		C)	blue
		D)	green
		E)	orange


14	In most plants, petals are most similar to
		A)	leaves
		B)	stamens
		C)	sepals
		D)	carpels
		E)	stems


15	Angiosperms are believed to have evolved in a climate that was characterized by _______________ conditions.
		A)	extreme temperatures and dry
		B)	even temperatures and moist
		C)	warm temperatures and dry
		D)	cold and dry
		E)	cold and moist


16	Plants producing both staminate and pistilate flower on the same plant are said to be
		A)	monoecious
		B)	dioecious
		C)	heteroecious
		D)	dichogamous
		E)	polyoecious


17	A trend in floral evolution is
		A)	bilateral symmetry
		B)	spiral symmetry
		C)	radial symmetry
		D)	lateral symmetry
		E)	asymmetry


18	Genetic self-incompatibility tends to increase
		A)	pollen dispersal
		B)	inbreeding
		C)	pollination
		D)	isolation
		E)	outcrossing


19	Many genes are known that affect both leaves and
		A)	petals
		B)	stamens
		C)	sepals
		D)	carpels
		E)	corollas


20	If a flower is to be pollinated by birds, it should be
		A)	blue
		B)	white
		C)	yellow
		D)	red
		E)	green


21	The female gametophyte of an angiosperm is the
		A)	embryo sac
		B)	ovule
		C)	megaspore mother cell
		D)	egg cell
		E)	antipodal cell


22	If a flower is to be pollinated by moths, it should
		A)	be heavily scented
		B)	be shaped like a tulip
		C)	close about noon
		D)	be brightly colored
		E)	be dioecious


23	Which of the following is not characteristic of primitive flowers?
		A)	flowering parts are numerous
		B)	flowers are arranged in definite whorls
		C)	petals and sepals are similar
		D)	unfused flower parts
		E)	spirally arranged carpels


24	When one plants potatoes, the "seed pieces" are parts of
		A)	stolons
		B)	adventitious leaves
		C)	rhizomes
		D)	suckers
		E)	runners


25	Which of the following is not a major adaptation that has contributed to the enormous success of angiosperms over all other vascular plants?
		A)	seeds
		B)	flowers
		C)	fruit
		D)	racheids
		E)	all of the above


26	The part of a flower that protects the developing bud is the:
		A)	ovary
		B)	petal
		C)	sepal
		D)	anther
		E)	pistil


27	The part of the flower that produces pollen is the:
		A)	ovary
		B)	petal
		C)	sepal
		D)	anther
		E)	pistil


28	Which of the following is not part of the innermost whorl of the flower?
		A)	stamens
		B)	style
		C)	pistil
		D)	stigma
		E)	ovary


29	Pollen grains on the stigma of a flower reach the egg by forming a
		A)	cotyledon
		B)	seed
		C)	pollen tube
		D)	carpel
		E)	generative cell


30	Self-pollination can occur in which of the following
		A)	dichogamous plants
		B)	dioecious plants
		C)	pistillate plants
		D)	staminate plants
		E)	none of the above


31	Angiosperms produce ovules that are completely enclosed by sporophyte tissue at the time they are pollinated.
		A)	True
		B)	False


32	Pollination by insects depends on the random movement of insects from flower to flower.
		A)	True
		B)	False


33	In angiosperms, the male gametophyte contains a single sperm that unites with the egg to produce the seed.
		A)	True
		B)	False

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