When a fungal spore germinates and continues to grow, it grows from a
tip and forms a strand called a hypha
base and forms a strand called a hypha
tip and forms a strand called a mycelium
base and forms a strand called a mycelium
Which of the following is the BEST description of the role of a substrate in relation to a fungus?
Defense
Camouflage
Reproduction
Source of nutrients
Hyphae that exhibit positive chemotaxis will grow
towards each other for reproductive purposes.
towards each other to share a rich food source
away from each other to ensure distribution of spores
away from each other to avoid the rapid depletion of nutrients in one area
A hyphal strand that is termed coenocytic usually
has nuclei and cross walls
lacks nuclei and cross walls
lacks nuclei, but has cross walls
has nuclei, but lacks cross walls
Which phylum does a puffball belong to?
Phylum Oomycetes
Phylum Ascomycetes
Phylum Zygomycetes
Phylum Basidiomycetes
Which phylum does Rhizopus stolonifer belong to?
Which phylum produces an N + N secondary mycelium?
Which of the following MOST ACCURATELY describes the production of basidiospores?
Singularity
In clusters of four
In clusters of eight
Hundreds at a time
Which of the following types of spores is produced asexually?
Ascospores
Zygospores
Basidiospores
Conidiospores
A specialized hyphal strand that runs horizontal to the substrate is called a
stolon
rhizoid
mycelium
sporangiophore
Fungal rhizoids have the dual purposes of
anchoring and absorbing nutrients
asexual reproduction and anchoring
spreading out the fungus and absorbing nutrients
asexual reproduction and spreading out the fungus
Which phylum of fungi has cellulose cell walls?
The hyphae of egg fungi are
N and coenocytic
2N and coenocytic
3N and coenocytic
4N and coenocytic
Ringworm and athlete’s foot are fungal diseases caused by members of which phylum?
Phylum Deuteromycetes
What is the major characteristic that unifies Phylum Deuteromycetes?
A lack of known sexual reproductive structures
A lack of known asexual reproductive structures
Coenocytic hyphae with one nucleus in each cell
A coenocytic hyphae with one nucleus in each cell
Lichen could NOT be symbiotic relationships between fungi and
plants
protists
animals
monerans
Why are lichens considered a pioneer organism?
They can be found almost everywhere
They were one of the first known organisms
They conduct life processes in very simple ways
They are one of the first organisms to grow in disturbed areas
Which of the following is NOT a type of lichen?
Foliose — leafy, often found in trees
Fruticose — has upright fruiting bodies
Crustose — crust-like, grows flat on surfaces
Branchiose — branching, forms a network of strands
Mycorrhiza is a symbiotic relationship between a fungus and what else?
Lichen
Roots of plants
Another fungus
Photosynthetic parts of plants
Which phylum provided the original source of penicillin?
Which part of an alga is NOT correctly matched with its function?
Float — buoyancy
Holdfast — anchorage
Stipe — conduct water
Blade — photosynthesis
Pigment molecules other than chlorophyll-a capture light energy and
make products other than glucose
store it to make glucose at another time
pass it along to chlorophyll-a for making glucose
make glucose, but less efficiently than chlorophyll-a.
The seaweeds along the shores of the coast of BC are members of
Phyla Chlorophyta and Phaeophyta
Phyla Phaeophyta and Rhodophyta
Phyla Chlorophyta and Rhodophyta
Phyla Phaeophyta, Chlorophyta, and Rhodophyta
Green algae is considered to be the most related to land plants because it
has vascular tissue, which other algae lack
is equipped with guard cells and stomata to control gas exchange
is predominantly a sporophyte, where other algae are gametophytes
stores glucose as starch, rather than oils or other complex carbohydrates
Which of the following is LEAST useful when distinguishing between Chlamydomonas and Euglena?
Flagella
Eyespots
Pyrenoid body
Contractile proteins
Which of the following ideas does NOT support the notion that Volvox is a multicellular colony?
It has simple tissues and organs
Most of the component cells are all very similar to each other
If broken apart, it can reassemble or replace the missing parts
There is some communication and coordination between the component cells.
The holdfasts of Spirogyra are an advantage and a disadvantage because they
anchor the plant and absorb chemicals from the soil
anchor the plant and make it an easier target for herbivores
enable it to absorb chemicals from the soil, which may be toxic to its growth
enable it to grow taller increasing the possibility of breaking the filamentous structure
Which of the following is TRUE about alternation of generations?
sporophytes produce spores that grow into gametophytes, which produce gametes
sporophytes produce gametes that grow into gametophytes, which produce spores
sporophytes produce spores that grow into other sporophytes, which produce gametes
gametophytes produce gametes that grow into other gametophytes, which produce spores.
Ulva is biologically significant because
it is eaten as dulce
it can grow on land and in the water
it is harvested for its agar-producing abilities
it displays the same kind of life cycle as moss
Which of the following is LEAST problematic for moss growing on land?
Drying out in the sun
Getting soaked in the rain
Obtaining water through its roots
Obtaining enough light for photosynthesis
To which phylum does moss belong?
Phylum Bryophyta
Phylum Phaeophyta
Phylum Chlorophyta
Phylum Tracheophyta
Which of the following most correctly identifies the role of guard cells?
Open to let CO2 in and O2 and H2O out
Open to let O2 in and CO2 and H2O out
Open to let CO2 and H2O in and O2 out
Open to let O2 and H2O in and CO2 out
Select the TRUE statement from among the following statements about moss.
The sporophyte is photosynthetic, but the gametophyte is not
The gametophyte is photosynthetic, but the sporophyte is not
Both the gametophyte and the sporophyte are photosynthetic
Neither the sporophyte nor the gametophyte is photosynthetic
At what stage in the moss life cycle does meiosis occur?
In the spore capsule
In spores before they germinate
In the gametophytes for the production of gametes
In the top of a female gametophyte, resulting in the growth of the sporophyte
Which of the following is present in ferns but not present in moss?
Vascular tissue
Guard cells and stomata
Specialized structures to produce spores
Specialized structures to produce gametes
Which of the following most correctly identifies the roles of vascular tissues?
Xylem conducts H2O and dissolved minerals up to the leaves, where phloem transports the products of photosynthesis down a stem
Phloem conducts H2O and dissolved minerals up to the leaves, where xylem transports the products of photosynthesis down a stem
Xylem conducts H2O and dissolved minerals up to the leaves, where phloem transports the products of photosynthesis away from the leaves
Phloem conducts H2O and dissolved minerals up to the leaves, where xylem transports the products of photosynthesis away from the leaves
A fiddlehead is an immature
sporophyte frond
gametophyte frond
sporophyte prothallium
gametophyte prothallium
Sori are a specialization found on
fronds for the production of spores.
fronds for the production of gametes
gametophytes for the production of spores
gametophyes for the production of spores
Which is the most logical sequence of plants during succession on land?
Moss — grass — shrubs — trees
Ferns — grass — shrubs — trees
Algae — moss — grass — shrubs
Lichen — trees — logs — decomposers
Of which phylum is agar a derivative?
Phylum Rhodophyta
