Bio II Homework- Chapters 28, 29
Which of the following statements concerning microsporidia is FALSE?
They have mitochondria and Golgi complexes.
In a fungus, a complex multicellular reproductive structure is called:
a fruiting body.
The club fungi typically reproduce by producing:
basidia
Mushrooms that we eat are technically referred to as:
basidiocarps.
The cell walls of fungi are composed of
chitin
The characteristic brown, blue-green, pink, or other tints of ascomycetes are due to the ______ of their conidia
color
Reproduction in the black bread mold occurs between __________ hyphae.
+ and -
Fungi can grow under all of the following conditions except:
a dry environment
An example of a unicellular fungus
a yeast
The sac fungi are characterized by sexual reproductive structures called
asci
Yeasts reproduce asexually by:
budding
Asexual reproduction in sac fungi involves production of spores called
conidia
Cycads may be characterized as being:
dioecious and having motile sperm.
In plants, ovaries develop into:
fruits
The largest cones produced on a pine tree, the ones we are typically most familiar with, are the female cones that contain:
megasporangia
Most fungal spores are __________ reproductive cells that are produced __________.
nonmotile; sexually or asexually
In flowering plants, the immature male gametophyte is the:
pollen grain
Angiosperms have __________ in their phloem.
sieve tube elements
An example of a member of phylum Zygomycota is:
the black bread mold.
Which is NOT a member of phylum Ascomycota?
the black bread mold.
What makes up most of the mass of an individual mushroom?
underground mycelium
A __________ is a filament that makes up the vegetative body of most fungi
hypha
In plants, ovules develop into:
seeds
Seeds are reproductively superior to spores because:
seeds contain a young plant and also are protected by a seed coat.
__________ is a common chytridiomycete which exhibits alternation of generation.
Allomyces
What is FALSE when concerning gymnosperms and angiosperms?
Both groups have free-living gametophytes.
Extracts from the ginkgo tree are sold in over the counter (OTC) medicines purported to increase memory. Extracts from what other gymnosperm are also sold in OTC medicines, some of which have useful effects and others of which have controversial effects?
Ephedra
What am I? I am coenocytic, lack sexual reproduction, and reproduce asexually via blastospores.
Glomeromycetes
How many sperm cells contribute to the process of reproduction in angiosperms?
2
Monocot
A plant with parallel veins and floral parts in threes or multiples of three
Which of the following statements concerning mycorrhizae is FALSE?
Arbuscular mycorrhizae are extracellular.
Members of phylum __________ are the most primitive of the fungi and were previously classified as protists.
Chytridiomycota
Which one of the following is mismatched?
Dutch elm disease-glomeromycetes
Which of the following phyla is unusual, as it is composed of a single species?
Ginkgophyta
Which of the following gymnosperm groups has the most efficient water-conducting cells?
Gnetophyta
Alternation of generations
When plants have a distinct haploid stage and diploid stage
Leaf __________ in the fall is an adaptation for flowering plants to survive harsh winters in temperate climates.
abscission
Which of the following is not an adaptation of flowering plants that contributed to their evolutionary success?
adaptability of the gametophyte generation
The most diverse, successful, and familiar group of plants today
angiosperms
In a flowering plant, the __________ is the site of meiosis and, ultimately, the production of pollen.
anther
Which of the following is not a characteristic of fungi?
cell wall of lipopolysaccharides
Which group of fungi has hyphae that are multinucleate and not divided by septa?
coenocytic
In flowering plants, the __________ generation is dominant.
diploid sporophyte
In plants, phloem is associated with transport of
dissolved sugars
A basic difference between gymnosperms and flowering plants is: gymnosperms produce seeds borne naked, while flowering plants produce seeds enclosed within a fruit.
gymnosperms produce seeds borne naked, while flowering plants produce seeds enclosed within a fruit.
Black bread mold is __________, which means that it is self-sterile.
heterothallic
If a flower has sepals, petals, and stamens but lacks carpels, then that flower is
incomplete and imperfect.
Mycorrhizae benefit plants by:
increasing absorptive surface area of roots.
Evidence from vascular tissues and developmental stages suggests that stamens evolved from:
leaves
Most conifers have separate male and female reproductive parts on the same tree. This condition is referred to as:
monoecious.
In a mushroom, the primary mycelium is composed of __________ cells.
monokaryotic
A __________ is a tangled mass of hyphae.
mycelium
Dikaryotic cells are denoted as:
n + n
The female gametophyte generation in angiosperms is found in the:
ovule of the ovary
After fertilization in angiosperms, the ovule develops into the
seed
When bread gets moldy with visible black or blue spots, you are looking at masses of the colored:
spores
During pollination of flowering plants, pollen lands on the
stigma
The endosperm of an angiosperm seed is typically:
triploid (3n).
In plants, xylem is associated with the transportation of:
water and minerals
An example of a plant disease caused by a basiodiomycete is:
wheat rust
Pine pollen is primarily disseminated by:
wind
