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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
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 showy 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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