Biology 1120 Exam 4 Review Questions And
Answers 100% Correct
Why are bees important to the reproductive success of flowering plants? - ANSWER
Bees carry pollen to other plants
Which vascular tissue in both gymnosperms and flowering is for conducting water and
dissolved materials? - ANSWER Xylem
What is the structure labeled as 9 in the accompanying figure? - ANSWER Pistil
As a seed develops from an ovule, the ovule wall enlarges and develops into a -
ANSWER Fruit
The lowermost and outermost whorl on a floral shoot consists of petals - ANSWER False
Seed plants produce ovules, each of which is a megasporangium surrounded by -
ANSWER Integuments
After fertilization in angiosperms, what does the ovule develop into - ANSWER Seed
Gnetophytes are different from other gymnosperms in that gnetophytes have vessel
elements - ANSWER True
Most conifers have separate male and female reproductive parts on the same tree. This
condition is referred to as - ANSWER Monoecious
Which labels designates a female reproductive structure in the accompanying figure? -
ANSWER 8
The female gametophyte generation in angiosperms is found in the - ANSWER Ovule of
the ovary
The accompanying figures are representative of which of the following - ANSWER
Coniferophyta
A fruit develops from the ovary wall - ANSWER True
How is the pollen of pine trees disseminated - ANSWER Wind
What do the large female cones of a pine tree contain - ANSWER Megasporangia
The structure labeled as 9 in the accompanying figure was produced by - ANSWER
meiosis in the resting sporangium
, What makes up most of the mass of an individual mushroom - ANSWER Underground
mycelium
The primary mycelium of basidiomycetes is dikaryotic - ANSWER False
Which process marks the start of the dikaryotic stage (n+n) in the fungal reproductive
cycle - ANSWER Plasmogamy
Which of the following correctly describes fungal spores? - ANSWER They are nonmotile
and reproduce either sexually or asexually
Refer to the accompanying figure. The structure labeled as 1 is a - ANSWER Perforated
septum
The cell walls of fungi are composed of - ANSWER Chitin
Refer to the accompanying figure. What is missing in the filament labeled as A? -
ANSWER Septa
Like fungi, chytrid cell walls contain which of the following - ANSWER Chitin
How do mycorrhizae benifit plants - ANSWER Mycorrhizae increases a plant's
absorptive surface area of roots
Fungi that lack septa are called - ANSWER Coenocytic
The cell walls of fungi are composed of cellulose - ANSWER False
A lichen is a combination of a fungus and a photoautotroph - ANSWER True
Chytrids produce which of the following cells at some point during their life cycle, which
is an indicator of fungal evolution - ANSWER Flagellate
Hyphae that contain two genetically distinct, sexually compatible nuclei within each cell
are described as - ANSWER Dikaryotic
A flower that has sepals, petals, and stamens, but lacks carpels is known as - ANSWER
Incomplete and imperfect
Which of the following phyla is unusual because it is composed of a single species -
ANSWER Ginkgophyta
In the process of double fertilization, one sperm fuses with the egg and the other sperm
fuses with a spore - ANSWER False
Which is an example of a monocot - ANSWER Onions
The name conifer comes from the reproductive parts of conifers as they have separate
male and female reproductive parts in different locations on the same plant. What is the
technical name for the structure bearing these reproductive parts - ANSWER Strobili
Answers 100% Correct
Why are bees important to the reproductive success of flowering plants? - ANSWER
Bees carry pollen to other plants
Which vascular tissue in both gymnosperms and flowering is for conducting water and
dissolved materials? - ANSWER Xylem
What is the structure labeled as 9 in the accompanying figure? - ANSWER Pistil
As a seed develops from an ovule, the ovule wall enlarges and develops into a -
ANSWER Fruit
The lowermost and outermost whorl on a floral shoot consists of petals - ANSWER False
Seed plants produce ovules, each of which is a megasporangium surrounded by -
ANSWER Integuments
After fertilization in angiosperms, what does the ovule develop into - ANSWER Seed
Gnetophytes are different from other gymnosperms in that gnetophytes have vessel
elements - ANSWER True
Most conifers have separate male and female reproductive parts on the same tree. This
condition is referred to as - ANSWER Monoecious
Which labels designates a female reproductive structure in the accompanying figure? -
ANSWER 8
The female gametophyte generation in angiosperms is found in the - ANSWER Ovule of
the ovary
The accompanying figures are representative of which of the following - ANSWER
Coniferophyta
A fruit develops from the ovary wall - ANSWER True
How is the pollen of pine trees disseminated - ANSWER Wind
What do the large female cones of a pine tree contain - ANSWER Megasporangia
The structure labeled as 9 in the accompanying figure was produced by - ANSWER
meiosis in the resting sporangium
, What makes up most of the mass of an individual mushroom - ANSWER Underground
mycelium
The primary mycelium of basidiomycetes is dikaryotic - ANSWER False
Which process marks the start of the dikaryotic stage (n+n) in the fungal reproductive
cycle - ANSWER Plasmogamy
Which of the following correctly describes fungal spores? - ANSWER They are nonmotile
and reproduce either sexually or asexually
Refer to the accompanying figure. The structure labeled as 1 is a - ANSWER Perforated
septum
The cell walls of fungi are composed of - ANSWER Chitin
Refer to the accompanying figure. What is missing in the filament labeled as A? -
ANSWER Septa
Like fungi, chytrid cell walls contain which of the following - ANSWER Chitin
How do mycorrhizae benifit plants - ANSWER Mycorrhizae increases a plant's
absorptive surface area of roots
Fungi that lack septa are called - ANSWER Coenocytic
The cell walls of fungi are composed of cellulose - ANSWER False
A lichen is a combination of a fungus and a photoautotroph - ANSWER True
Chytrids produce which of the following cells at some point during their life cycle, which
is an indicator of fungal evolution - ANSWER Flagellate
Hyphae that contain two genetically distinct, sexually compatible nuclei within each cell
are described as - ANSWER Dikaryotic
A flower that has sepals, petals, and stamens, but lacks carpels is known as - ANSWER
Incomplete and imperfect
Which of the following phyla is unusual because it is composed of a single species -
ANSWER Ginkgophyta
In the process of double fertilization, one sperm fuses with the egg and the other sperm
fuses with a spore - ANSWER False
Which is an example of a monocot - ANSWER Onions
The name conifer comes from the reproductive parts of conifers as they have separate
male and female reproductive parts in different locations on the same plant. What is the
technical name for the structure bearing these reproductive parts - ANSWER Strobili
