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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

Reproduction of Flowering Plants

Chapter Quiz


1	When is asexual reproduction advantageous?
		A)	environmental conditions are unstable
		B)	plants are well-adapted to unchanging surroundings
		C)	when there is predation
		D)	never


2	What is the product of the union of the haploid egg and sperm (the haploid gametes)?
		A)	zygote
		B)	gametophyte
		C)	sporophyte


3	The plant sporophyte produces haploid spores by ____________.
		A)	meiosis
		B)	mitosis
		C)	both of these are correct


4	The sepals are green leaves on the outside of a flower. What is another term applied to the sepals as a unit?
		A)	corolla
		B)	androecium
		C)	gynoecium
		D)	calyx


5	Male reproductive structures of a flower consist of ___________.
		A)	filaments, anthers
		B)	stigma, style, and ovary
		C)	filaments, stigma
		D)	anthers, style, ovary


6	True or false. A plant species with both male and female parts on the same plant, such as corn, is called dioecious.
		A)	True
		B)	False


7	In which structures of flowering plants do microspores form?
		A)	filaments
		B)	ovaries
		C)	pollen sacs in anthers
		D)	styles


8	A microgametophyte is also known as a _____________.
		A)	androecium
		B)	immature plant
		C)	pollen grain
		D)	filament


9	How many mitotic divisions does the megaspore undergo to form a megagametophyte?
		A)	1
		B)	2
		C)	3
		D)	4


10	The two nuclei remaining in the large cell following mitosis are called ___________.
		A)	zygotes
		B)	polar nuclei
		C)	tube nuclei
		D)	diploid nuclei


11	True or false. Self-fertilization increases genetic variability and is more important in changing environments.
		A)	True
		B)	False


12	Strategies used by plants to attract animals include __________.
		A)	flower color
		B)	shape
		C)	odor
		D)	All of these are correct.


13	True or false. Wind-pollinated plants invest less energy in producing abundant pollen than they would if they developed flowers
		A)	True
		B)	False


14	True or false. Stigmas bind pollen from about any plant.
		A)	True
		B)	False


15	What portions are fertilized during double fertilization?
		A)	two polar nuclei and one egg cell
		B)	two egg cells to form two seeds
		C)	one tube nucleus and one polar nucleus
		D)	two egg cells and one polar nucleus


16	Does a seed house a dormant gametophyte or dormant sporophyte?
		A)	gametophyte
		B)	sporophyte


17	What is another name for the embryonic epicotyl plus its young leaves?
		A)	plumule
		B)	radicle
		C)	cotyledon
		D)	hypocotyl


18	A peach is an example of what type of fruit?
		A)	drupe
		B)	aggregate
		C)	berry
		D)	pome


19	Methods of seed dispersal include which of the following?
		A)	burrs that hook onto animal fur
		B)	winged seeds, like a dandelion
		C)	water dispersal
		D)	shiny berries
		E)	All of these are correct.


20	The fleshy middle portion of a fruit is the ____________.
		A)	pericarp
		B)	exocarp
		C)	mesocarp
		D)	endocarp

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