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WorksheetsBiology Exam
Total questions: 140
Worksheet time: 1hrs 10mins
The branch of biology dealing with the classification of organisms into group is called what?
binomial nomenclature
taxonomy
homology
identification
Aristotle's classification system was:
discontinued when bacteria and other microbes were discovered
not adequate because it was based on two kingdoms and eight phyla
a natural system of classification
an artificial system of classification
Divisions of a phylum in the Linnaean system of classification are:
classes
orders
families
genera
Carolus Linnaeus did his work in the:
6th century BC
18th century AD
12 century AD
29th century AD
The step below (smaller than) a family in the modern classification system is:
genus
suprafamily
superfamily
subfamily
Which of the following kingdoms has heterotrophic members ONLY?
Eubacteria
Fungi
Protista
Plantae
Small organisms that lack organized nuclei are placed by most modern classifications into the kingdom:
Plantae
Chordata
Eubacteria
Animalia
Which of the following kingdoms contains multicellular organisms with tissues and organs?
Eubacteria
Fungi
Protista
Animalia
The mold growing on a piece of bread belongs in kingdom:
Monera
Fungi
Protista
Plantae
To classify an organism is to:
assign it to a scientific group
identify the taxonomic group to which it belongs
find out its genus-species name
put information about it in a secret file
Which of the following is not a characteristic of archaea?
Many live in extreme environments such as volcanoes and acidic springs.
They include species that produce methane.
Peptidoglycan is absent from their cell walls.
They are eukaryotic.
Refer to the three images above. A doctor treated several patients who were sick from food poisoning. They had all eaten lunch at the Greasy Spoon restaurant. A state health inspector was immediately sent to inspect the restaurant and found Staphylococcus aureus in a sample of chicken salad. Which image did the inspector see under his microscope? Only one choice is correct.
image A
image B
image C
Refer to the three images above. None of the ill patients from the previous question had eaten the chicken salad. However, the health inspector found Bacillus cereus in the potato salad of the restaurant. All the people who had food poisoning had eaten the potato salad. Which image did the food inspector see under his microscope? Only one choice is correct.
image A
image B
image C
Refer to the three images above. Rhodospirillum rubrum was one of the three bacterial species that a student prepared to view under his microscope. Which image did he see when viewing this bacteria? Only one choice is correct.
image A
image B
image C
Gram staining
is used to classify bacteria.
can predict whether a particular antibiotic will be effective for treating a certain bacteria.
detects amounts of peptidoglycan in the cell walls of bacteria.
all of the above
Antibiotics control bacteria by __________
directly killing them
slowing their growth
both A and B
neither A nor B
Which bacterial structure protects a bacterium from drying out?
nucleoid
flagellum
capsule
none of these
A bacterium can transfer a plasmid to another bacterium during
binary fission.
transduction.
conjugation.
transformation.
Autotrophic bacteria that photosynthesize belong to the group known as
cyanobacteria.
decomposers.
opportunistic pathogens.
microbiota.
Which cellular structures do viruses lack?
mitochondria
ribosomes
both A and B
neither A nor B
The cell walls of most fungi are composed of:
slime
cellulose
silica
chitin
Athlete's foot fungus belongs in the phylum:
Ascomycota
Myxomycota
Zgyomycota
Basidiomycota
Yeasts belong to which phylum?
Ascomycota
Myxomycota
Zygomycota
Basidiomycota
The most common form of reproduction in yeasts is:
gamete formation
zoospore formation
budding
conjugation
The stalk of the muschroom is the:
button
basidium
gill
stipe
Rusts and smuts belong in which phylum?
Ascomycota
Zygomycota
Myxomycota
Basidiomycota
Basidiomycotes that can cause severe damage to crops are:
powdery mildews
rusts
downy mildews
bracket fungi
A relationship between two organisms that are living together is called?
recapitulation
symbiosis
leavening
biosynthesis
Lichens that look like small crinkly leaves are called what?
fruticose
crustose
foliose
sucrose
Lichens that have stalks and branches and often look like little shrubs are called:
crustose
foliose
fruticose
sucrose
Which of the following animals has an endoskeleton?
spiny lobster
black bear
blue eyed darner dragonfly
antler coral
Which of the following animals has an exoskeleton?
orb spider
green iguana
cutthroat trout
mule deer
What type of body plan does a house cat have?
bilateral symmetry
assymetry
radial symmetry
none of these
Which of the following is not a characteristic of an animal?
the exchanging of gases with its environment
reproducing after its own kind
reproducing after its own kind
being autotrophic
Most animals are what?
invertebrates
vertebrates
both A & B
neither A nor B
Which of the following is a significant difference between sponges and other animals?
sponges have an asymmetrical body plan
sponges do not move through their environments
sponges have no germ layers
all of these are differences
Sponges are hermaphroditic, which means that sponges:
are all male
are all female
have both male and female reproductive structures
none of these
The phylum Cnidaria is named for the cnidocytes found in these organisms. Cnidocytes are specialized _____ cells.
swimming
feeding
stinging
reproductive
Cnidarians exist in one of two forms, as either a ____ or ____
polyp, nematocyst
medusa, coral
nematocyst, medusa
medusa, polyp
Animals with radial symmetry can be divided into left and right halves by a line through their center.
true
false
In which order would you find a mosquito.
Coleoptera
Hymenoptera
Diptera
Orthoptera
In which order would you find a butterfly?
Coleoptera
Hymenoptera
Diptera
none of the above
In which order would you find a wasp?
Coleoptera
Hymenoptera
Diptera
Orthoptera
Which group has chewing mouthparts as adults?
beetles
butterflies
flies
fleas
Which insects have scales, powdery wings?
Coleoptera
Hymenoptera
Diptera
Lepidoptera
Which group contains social insects?
Coleoptera
Hymenoptera
Diptera
Lepidoptera
Which group has exactly 4 pairs of legs?
Arachnida
Diplopoda
Chilopoda
Insecta
Which group has respiration only by gills?
Arachnida
Crustacea
Chilopoda
Diplopoda
Purchasing praying mantis eggs to be placed in a garden is an example of which method of insect control?
environmental control
biological control
quarantine
genetic control
The strong silk case that moth larvae spin is called a:
pupa
cocoon
hive
chrysalis
Which of the following is NOT a characteristic that is shared by all chordates?
post-anal tail
pharyngeal pouches
dorsal notochord
vertebrae made of bone
What physical feature do ALL fish have?
gills
jaws
bony skeletons
vertebrae
Which of the following are cartilaginous fishes?
lungfishes
trouts and salmons
sharks and rays
all of these
Which of the following features do hagfish and lampreys lack?
fins
jaws
mucus
none of these
To which group do sharks and rays belong?
cartilaginous fishes
ray-finned fishes
jawless fishes
lobe-finned fishes
Which of the following correctly traces the flow of blood through a fishes body?
heart, body, gills, back to heart
heart, gills, body, back to heart
heart, gills, back to heart, body
none of these
The males of some fish species engage in mating season rituals in which two males harmlessly gauge each other's strength by vigorously fanning water toward each other with their tails . Which sense or sensory organ are they relying on in these instances?
vision
taste
lateral line
none of these
Which structure(s) do fish use to help regulate the flow of water over their gills?
lateral line
gill filaments
pectoral fins
operculum
Which of the following is true of the salt-pump cells found in fish gills?
Those of both fresh water and salt water fish pump salt out of the fish's body
Those of freshwater fish pump salt into the fish's body, while those of saltwater fish pump salt out of the fish's body
Those of freshwater fish pump salt out of the fish's body, while those of saltwater dish pump salt into the fish's body
only saltwater fish have salt-pump cells, which pump salt into the fish's body
While bony fishes maintain neutral buoyancy with their swim bladders, cartilaginous fishes maintain their vertical position in the water column by means of:
the buoyancy provided by a large, oily liver
ift generated by their pelvic fins
both A and B
neither A and B
The tympanic membrane in the frog:
covers the middle ear
serves as a respiratory membrane
supports the small intestine
covers the eye
Identify part number 9
teeth
esophagus
stomach
eustachian tube
Which of these is NOT an amphibian?
tiger salamander
tuatara
tree frog
toad
Identify part # 12.
colon
fat
gall bladder
bladder
Toads differ from frogs in that they:
lay their eggs on land
have internal fertilization
live mostly on land
are carnivorous
Estivation is a time of:
winter activity in amphibians
winter inactivity in amphibians
summer inactivity in amphibians
summer activity in amphibians
Respiration in amphibians may occur by all of the following EXCEPT:
gills
lungs
spiracles
skin
Identify part # 3.
heart
stomach
spleen
gall bladder
Identify part # 5
duodenum
large intestine
small intestine
colon
The skin of a frog is richly supplied with:
poison glands
scales
blood vessels
tiny hairs
In the modern classification system, each group on one level can be divided into several groups on the next lowest level.
true
false
Each level of the currently used classification hierarchy can be divided into smaller units by using prefixes like "sub" or "infra".
true
false
An earthworm belongs in the kingdom Eubacteria.
true
false
A tomato plant belongs in the kingdom Protista.
true
false
Both the genus and species names should be italicized or underlined, but only the genus name should be capitalized.
true
false
God created the organisms and told them to reproduce after their kind; therefore, many creationists believe that this establishes the ability to reproduce as the primary criterion for a natural classification system.
true
false
You discover a unicellular organism in a pool in an abandoned salt mine. The organism has cell walls, but the walls do not contain peptidoglycan. The new organism is likely a species of bacteria.
true
false
Gram staining is used to determine whether a bacteria causes disease.
true
false
A bacterium’s capsule serves mainly as a means of movement.
true
false
The most common form of bacterial reproduction is binary fission.
true
false
All bacteria are heterotrophic.
true
false
Pneumonia and food poisoning are both caused by bacteria that are a normal part of the human microbiota.
true
false
The lytic cycle of viral reproduction causes rapid infection and destruction of host cells.
true
false
A virus may reproduce through either the lytic cycle or the lysogenic cycle, but not both.
true
false
Cold sores are an example of a disease caused by a bacteria.
true
false
HIV/AIDS is a retrovirus that can force its host cell to transcribe the viral RNA into the host cell’s DNA.
true
false
Viruses are sometimes used as pest control agents.
true
false
Protozoans and chromists were formerly classified in a single kingdom—Protista—that is not part of modern taxonomy.
true
false
Generally speaking, protozoans are autotrophs, while chromists are heterotrophs.
true
false
Most protozoans are motile, that is, they are capable of movement.
true
false
Protozoans can move by means of cilia, flagella, or pseudopodia.
true
false
The protozoan shown here will move using its cilia
true
false
Protozoans such as paramecia use contractile vacuoles to expel waste products into their environment.
true
false
Protozoans lack the specialized structures needed to respond to changes in their environment.
true
false
Many protozoans such as paramecia can reproduce asexually through binary fission.
true
false
Though protozoans are an important part of aquatic food chains, many are pathogenic in humans.
true
false
Kingdom Chromista includes all the photosynthetic protists except algae.
true
false
Because they are generally autotrophs, most chromists lack the specialized structures found in protozoans.
true
false
Unlike protozoans, chromists can reproduce only asexually.
true
false
Because protists are relatively simple organisms, their classification has remained largely unchanged since their discovery.
true
false
Chromists play a relatively small role in marine ecosystems.
true
false
Animals with radial symmetry can be divided into left and right halves by a line through their center.
true
false
All animals are heterotrophic.
true
false
Animals have cell walls made of starch.
true
false
All animals have some kind of circulation to provide nutrients to all their cells.
true
false
Most animals reproduce sexually, but some can reproduce asexually.
true
false
The walls of a sponge's body are supported by the fluid pressure within the sponge's pores.
true
false
Sponges feed by trapping food particles carried by water currents through the sponge's pores.
true
false
Sponges are hermaphroditic, meaning that they have both male and female reproductive structures.
true
false
Cnidarians have no nerve tissue.
true
false
Many cnidarians have a life history that includes both polyp and medusa forms.
true
false
Cnidarians capture their prey with specialized stinging cells called cnidocytes.
true
false
Cnidarians that practice sexual reproduction are generally either male or female rather then hermaphroditic.
true
false
Reef-building corals live in a symbiotic relationship with algae.
true
false
A fluke is a parasitic roundworm.
true
false
The Ascaris female is longer than the male and has a hook shape on one end of her body.
true
false
An open circulatory system is characteristic of the annelids and the mollusks.
true
false
Only segmented worms have a closed circulatory systems.
true
false
Flatworms and segmented worms are generally hermaphroditic but cross-fertilize with other individuals.
true
false
Many parasitic worms have complex life cycles involving two or more hosts.
true
false
Earthworms play an important part in the environment by recycling dead organic matter into nutrient-rich castings.
true
false
Insects account for less than half of all animal species.
true
false
Insects are the only flying invertebrates.
true
false
Typically, millipedes have more legs than centipedes do.
true
false
Scorpions, barnacles, and ticks are all in the same Arthropod class.
true
false
Crayfish are capable of regenerating lost parts.
true
false
The shedding of an exoskeleton is called molting.
true
false
In nonaquatic chordates, such as terrrestrial mammals, the embryonic pharyngeal pouches develop into structures of the lower face, neck, and upper chest.
true
false
Cartilaginous fishes are so named because they have skeletons made of cartilage.
true
false
All jawless fishes, such as hagfish, are parasitic.
true
false
A fish detects vibrations in the water through the lateral line.
true
false
After being oxygenated in the gills, a fish's blood returns to the heart to be pumped to the rest of the body.
true
false
A fish's scales reduce drag, allowing the fish to move more easily through water.
true
false
Fish must move constantly to have oxygenated water over their gills
true
false
Saltwater fish remove excess walt from their blood through specialized cells located in their gills.
true
false
The swim bladders of bony fish are filled with oil to maintain neutral buoyancy.
true
false
many bony fishes chew their food with a second set of jaws known as post-buccal jaws.
true
false
a few species of fish practice parthenogenesis, the production of young from unfertilized eggs.
true
false
Fish include species that are herbivores as well as those that are carnivores.
true
false
Finning of sharks is considered a sustainable practice because the finned sharks are returned to the water and soon regrow their fins.
true
false
