biostp.2

Chapter 23
Name Date Class
1
The factor that controls photoperiodism in
flowering plants is .
A hours of darkness
B amount of fertilizer
C air temperature
D dormancy
2
Identify the missing labels in the diagram
below.
1
5
The uniting of a sperm and an egg to form a
zygote is called .
A pollination
B fertilization
C meiosis
D germination
6
Describe how the strawberry plant shown in
the figure below has reproduced.
Cell divisions
4
Cell divisions
Diploid cells
(2n) Reproductive cells
develop
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Male gamete
(sperm)
Cell divisions
Female gamete
(egg)
3
Mature gametophyte
2
Cell divisions
A 1-meiosis forms spores; 2-zygote forms;
3-diploid; 4-sporophyte
B 1-sporophyte; 2-meiosis forms spores;
3-haploid; 4-zygote forms
C 1-sporophyte; 2-meiosis forms spores;
3-diploid; 4-zygote forms
D 1-zygote forms; 2-sporophyte; 3-diploid;
4-meiosis forms spores
3
During the life cycle of a moss, where does
fertilization of the haploid egg take place
A in the female gametophyte archegonium
B in the male gametophyte antheridium
C in the female gametophyte capsule
D in the gametophyte prothallus
4
A characteristic of anthophytes is the .
A production of cones
B production of prothallus
C production of gemmae
D production of flowers
A asexually by fragmentation
B sexually by egg and sperm
C asexually by horizontal stems
D sexually by fragmentation
7
In flowering plants, fertilization takes place
.
A when pollen lands on the sticky stigma
B when pollen lands on the anther
C when a zygote forms
D when a stamen touches a pistil
8
Flowering plants with strong scents are usually
pollinated by .
A animals
B wind
C self-pollination
D cross-pollination
9
A spore or microspore is a .
A diploid cell produced by a sporophyte
B diploid cell produced by a gametophyte
C haploid cell produced by a gametophyte
D haploid cell produced by a sporophyte
STANDARDIZED TEST PRACTICE CHAPTER 23 45