Biology II lab Final test
what flagellate is symbiotic with termites?
Trichonympha
ascomycetes are responsible for many serious plant diseases including a. mildew b. dutch elm disease c. chestnut blight d. all of the above e. B and C
all of the above
green algae can be found growing on a. sidewalks b. automobiles c. trees d. all of the above
all of the above
if you inhibited germination in a monocot, what structures would not develop? a. coleoptile b. radicle c. coleorhiza d. all of the above
all of the above
protists can function in the environment as a. autotrophs b. heterotrophs c. parasites d. all of the above
all of the above
the type of life cycle seen in plants is called
alternation of generations
the most diverse group of plants is the
angiosperms
rod-shaped bacteria are known as
bacilli
nonvascular plants are generally short because they
cannot transport nutrients
gram stain is a laboratory technique used to distinguish between various kinds of bacteria based on the characteristics of the
cell wall
freshwater "ich", or white spot disease, is caused by
ciliophora
the most structurally complex animal-like protists are
ciliophora
plasmodial slime molds
contain many nuclei in one mass of cytoplasm.
what happens when an anther ruptures?
pollen grains are released
which of the following structures is a characteristics of amoebas?
pseudopodia
of the steps listed below, which was the last procedure done when you performed a gram stain?
stain with safranin
which of the following is not considered an animal-like protist?
volvox
because american holly has male plants and female plant, it is an example of
an imperfect flower
using a pointed instrument, you can remove the pollen of a flower from the
anther
which of the following plants has a dominant gametophyte generation?
any true moss
the stucture in mosses producing the egg is called the
archegonium
diatoms
are autotrophs with a glassy cell wall that contains silica
hurricane katrina provided an opportunity to advance our study of which phylum of fungi?
ascomycota
what are the purpose of pili in bacteria?
attachment and conjugation
a plant that lacks a stem is most likely a
nonvascular plant
bacteria that require oxygen for survival are known as
obligate aerobes
gram-positive bacteria stain
purple
which of the following are nitrogen-fixing proteobacteria?
rhizobium spp.
fronds in ferns developed from which structure?
rhizomes
gymnosperms consist of all of the following except
sphenophyta
when a seed of the conifer germinates, it develops into a
sporophyte
if you see a fern with brown spots on the underside of the frond, you can conclude that
the fern has produced spores
when a cotyledon emerges from the soil, it means that
the seed has germinated
eating ergot-contaminated grains can cause which of the following? a. strong uterine contractions b. hallucinations c. severe burning sensation d. A and B e. A, B, and C
A, B, C
a ginko tree giving off a bad smell is
a female because females produce seeds that have an unpleasant smell
based on the uses of horsetails during the pioneer days, the "tail" of the dried plant can be described as
abrasive
in the 19th century peat moss was used to pack abscesses. the antibacterial properties are mainly the result of its _____ pH.
acidic
in what types of environment do bacteria live? a. extremely hot/cold b. digestive system of humans/animals c. deep underground d. all of the above e. B and C
all of the above
the inhibition of what stage in the Plasmodium malariae will help to prevent a female Anopheles spp.. mosquito from injecting the infective stage of malaria into the bloodstream of the host? a. asexual stage of development b. sexual stage of development c. exoflagellation d. all of the above
all of the above
which of the following are gram-positive bacteria? a. staphlyococcus spp. b. streptococcus spp. c. mycobacterium spp. d. all of above
all of the above
which of the following bacteria is pathogenic in humans? a. mycoplasma pneumoniae b. borrelia burgdorferi c. clostridium botulinum d. all of the above
all of the above
which of the following is a distinct advantage the angiosperms have over the seedless plants? a. seeds are not enclosed in an ovule b. nutrition is stored after fertilization c. nutrition is given to potential offspring d. all of the above
all of the above
flowers can be described as a. complete b. incomplete c. inflorescence d. all of these statements are correct
all of these statements are correct
the pericarp of a fruit contains which region? a. exocarp b. endocarp c. mesocarp d. all of these statements are correct
all of these statements are correct
the sporophyte generation is dominant in the life cycle of the a. tulip b. water lily c. orchid d. all of these statements are correct
all of these statements are correct
what differentiates dicots from monocots? a. number of cotyledons b. venation of leaves c. arrangement of vascular bundles d. all of these statements are correct
all of these statements are correct
_____ are the cellular structure of ascomycetes on which spore-producing structures are born
ascocarps
cases of chronic respiratory illness in humans have been documented in buildings where the ventilation system has been found to contain black mold. which of the following phyla is likely to be responsible?
ascomycota
which of the following is a gram-postive bacterium that also forms spores?
bacillus anthracis
seedless vascular plants are all of the following except
bryophyta
Mosses belong to the group of plants known as the
bryophytes
how do ferns reproduce?
by producing spores
which of the following bacteria are important oxygen producers?
cyanobacteria
how long can it take flowering plants to cycle from germination to maturity? a. weeks b. months c. years d. all of these statements are correct
d. all of these statements are correct
which of the following statements correctly describes the alteration of generations in a plant life cycle?
diploid sporophytes that produce spores by meiosis alternate with haploid gametophytes that produce gametes by mitosis
fruit development is accelerated by which of the following?
ethylene gas
when you peel an orange, you are removing the
exocarp
bacteria which can survive in environments containing oxygen but can also survive without it are called
facultative anaerobes
which of the following statements regarding ferns is true?
ferns have well-developed vascular tissue, roots, and stems
the parts of a flower in eudicots are typically arranged in multiples of
four or five
what is the structure derived from the ovary of a plant?
fruit
which of the following statements is true?
fruits are the mature ovaries of angiosperms
in a moss, most of the plants that we see are ________, while in a fern the most dominant stage is the ________
gametophytes; sporophyte
a long chain of rod-shaped bacteria with stain purple would fall into which category?
gram positive streptobacillus
which of the following is an incorrect paring of archae and their environment?
halophiles-alkaline conditions
____ are specalized hyphae that can penentrate host cells and absorb nutrients
haustoria
in order to be classified as an inflorescence, a plant must
have cluster of flower
if you cut the peduncle of a grass, the seed head
is destroyed
plasmodium
is the organism that causes malaria
which of the following has multiple carpels?
lemon
which disease has been shown to be caused apicomplexan using the female Anopheles as a vector?
malaria
unlike the seeds of angiosperms, the seeds of gymnosperms
mature on the surface of a cone scale
microspores of ferns are contained in what structure?
microsporangium
an organism such an euglena which can be either photoshynthetic or heterotrophic is known as
mixotrophic
which of the following statements about bacteria is not true?
most bacteria are pathogenic (disease-causing_
moss can reproduce asexually when
one bit of moss breaks off
the animal-like protist with both a macro and micronucleus is the
paramecium caudatum
what could break the dormany of a seed to initiate germination?
passing through the digestive tract, microbial activity and water are correct
the color of red algae comes from
phycobilins
the protist which cause potato blight and affected ireland drastically in the 1840's causing the irish potato famin is
phytophthora infestans
which of the following plants has a dominant sporophyte generation and a seed, but no fruit?
pine tree
a dandelion possess which of the following?
pistils and stamens
two characteristics shared by gymnosperms and angiosperms that are absent from earlier plant groups and represent key adaptations to life on dry land are
pollen and seeds
during pollination of the grasses, the tube cell forms the
pollen tube
archaea classified as _____ can live in extremely cold conditions, such as in the Antarctic
psychorophiles
there is a good chance you will eat carrageenan today and that you will eat nori at some point in your life, if you haven't already. in either case, you will be eating a product of
red algae
the ovule in seed plants is called
sporangium
a typical flower bud contains all of the following except
stamen
some bacteria produce an endospore that enables them to
survive under intolerable conditions
what happens to the seed cone in conifers as the seed develops?
the cone closes
while visiting yellowstone park, you see the famous geyser "old faithful." what type(s) of archaea would you most likely find in this water?
thermophiles
Monocot floral parts usually occur in multiples of
three
a plant that has ____ would be classified as a monocot
three flower parts
the _____ represents the sporophyte generation of a conifer, and the _____ produces gametophytes
tree; cone
which of the following bacteria causes the sexually transmitted disease syphilis?
treponema pallidum
which of the following is a parasite that causes African sleeping sickness, a disease spread by the tsetse fly?
trypanosoma
which protist causes chagas disease?
trypanosoma cruzi
because they lack vascular tissue, nonvascular plants are
unable to transport water
an herbaceous plant lacks
woody stems
the last life cycle stage in the sporophyte generation of the fern is the
zygote