Zoology Final Exam
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- 1.The structure of mollusks that forms the shell and houses the gills is the
- A.
Mantle
- B.
Gastrovascular Cavity
- C.
Epidermis
- D.
Visceral mass
- E.
Periostracum
- 2.The kidneys of mollusks both excrete waste and remove excess water, This type of kidney is called a
- A.
Postnephridia
- B.
Mesonephridia
- C.
Metanephridia
- D.
Protonephridia
- E.
Notanephridia
- 3.The portion of the radula that supports the teeth and is cartilaginous is called the
- A.
Spicule
- B.
Odontophore
- C.
Radula Muscles
- D.
Pen
- E.
Collumella
- 4.The structure of mollusks that forms the shell and houses the gills is the
- A.
Mantle
- B.
Gastrovascular cavity
- C.
Epidermis
- D.
Viscedral mass
- E.
Periostracum
- 5.The first larval stage that is typical of mollusks is the
- A.
Planula
- B.
Actinotroph
- C.
Veliger
- D.
Trochophore
- E.
Glochidium
- 6.A mollusks shell is made of three layers arranged from the outside to the inside
- A.
Mantle layer, prismatic layer, periostracum
- B.
Prismatic layer, periostracum, mantle layer
- C.
Periostracum, prismatic layer, nacreous layer
- D.
Nacreous layer, periostracum, mantle layer
- E.
Periostracum, nacreous layer, prismatic layer
- 7.The structure that is used for feeding in most mollusks is the
- A.
Buccal cavity
- B.
Mouth
- C.
Radula
- D.
Odontophore
- E.
Gilles
- 8.The body of a typical mollusk can be divided into two main sections the
- A.
Head and foot
- B.
Head and mantle
- C.
Mantle cavity and foot
- D.
Head-foot and mantle
- E.
Head-foot and visceral mass
- 9.Which of the following is not used by mollusks for the purpose of respiration?
- A.
Gills
- B.
Mantle
- C.
Ctendia
- D.
Lung
- E.
Visceral mass
- 10.Which of the following is not a modified version of the foot?
- A.
Fins
- B.
Tentacles
- C.
Arms
- D.
Siphon
- 11.A mollusk that is a univalve with one opening to the shell or does not have a shell and shows torsion to some extent is in the class
- A.
Scaphopoda
- B.
Gastropoda
- C.
Bivalvia
- D.
Cephalopoda
- E.
Mollusca
- 12.Torsion is a process that rotates _______________ of the body of gastropods.
- A.
Surface
- B.
Mantle
- C.
Viscera
- D.
Tentacles
- E.
Shell
- 13.Some gastropods have a horny plate that covers the shell aperture; this structure is called a (an)
- A.
Osmoradia
- B.
Osphradia
- C.
Operculum
- D.
Olid
- E.
Oocap
- 14.The shells of gastropods usually twist to the right. This is known as
- A.
A coil
- B.
A whorl
- C.
Sinistral
- D.
Dextral
- E.
Ambidextral
- 15.The adaption of bivalves to a sedentary, filter feeding lifestyle that exploits the sand of a beach as a habitat has lead to the loss of the ______________ and the radula.
- A.
Head
- B.
Foot
- C.
Mantle
- D.
Visceral mass
- E.
Gills
- 16.The major group of gastropods known as the Pulmonates are more commonly known as
- A.
Sea slugs and hares
- B.
Limpets and conch
- C.
Snails and slugs
- D.
Albalones
- E.
Nudibranchs
- 17.A mollusk that has a shell of two valves and is usually a filter feeder is a
- A.
Scaphopoda
- B.
Gastropoda
- C.
Bivalvia
- D.
Cephalopoda
- E.
Mollusca
- 18.
- A.
Between the mantle and the shell
- B.
All of the area enclosed by the two shells and exposed when you open the shell
- C.
The area around the heart
- D.
The cavities inside the siphons
- E.
The space inside the small tubules that form the gills
- 19.Mollusks such as a clam breath by passing water in which of the following paths
- A.
Incurrent siphon, suprabranchial chamber, gills, excurrent siphon
- B.
Incurrent siphon, gills, suprabranchial chamber, excurrent siphon
- C.
Incurrent siphon, gills, excurrent siphon
- D.
Incurrent siphon, mantle, gills, excurrent siphon
- E.
Incurrent siphon, gills, mantle, excurrent siphon
- 20.A mollusk that is an active predator, has tentacles, and is marine would be in the class
- A.
Scaphopoda
- B.
Gastropoda
- C.
Bivalvia
- D.
Cephalopoda
- E.
Mollusca
- 21.The jet propulsion method of swimming that is seen in squid is accomplished by forcing water from the mantle cavity through a
- A.
Siphuncle
- B.
Radula
- C.
Excurrent siphon
- D.
Funnel
- E.
Blow hole
- 22.A cephalopod that has an external shell and represents a group that is mostly extinct would be a
- A.
Giant squid
- B.
Cuttlefish
- C.
Nautilus
- D.
Ammonoid
- E.
Octopus
- 23.The water current in the body of a cephalopod provides
- A.
Oxygen for respiration
- B.
Jet power for rapid locomotion
- C.
A means of carrying wastes and gametes out of the body
- D.
Only a and c are true
- E.
All of the above are true
- 24.
- A.
Trochophore larvae
- B.
Glochidial parasites
- C.
Helpless sessile larvae that must metamorphose into adult forms
- D.
Juvenile that resemble small adults
- E.
There is much variation and all of the above occur among the group
- 25.The alternating longitudinal and circular muscle contractions that pass along the body to facilitate locomotion are called
- A.
Progressive
- B.
Peristaltic
- C.
Hydrostatic
- D.
Regressive
- E.
Coelomic
- 26.The polychaetes differ from the other annelids by having a well-developed head that often bears the eyes, antennae, and sensory palps, and is often called a __________ or first segment.
- A.
Cephalostomium
- B.
Periostracum
- C.
Peristomium
- D.
Prophylactic
- E.
Prostomium
- 27.The paddle-like appendages that characterize the polychaetes are called
- A.
Propodia
- B.
Peripodia
- C.
Parapodia
- D.
Setae
- E.
Septa
- 28.Food is drawn into the mouth of an oligiochaete by suction created by the muscular
- A.
Contraction
- B.
Pharnyx
- C.
Jaws
- D.
Chloragogen
- E.
Prostomium
- 29.The annelids have a double circulation in that materials can be moved by the blood or by the
- A.
Coelomic fluid
- B.
Peristalsis of the intestine
- C.
Excretory organs
- D.
Respiratory flaw
- 30.The nephridium occupies two segments and is composed of a ciliated funnel called a ________
- A.
Protenephridia, metanephridia
- B.
Protonephridia, nephridiopore
- C.
Metanephridia, nephrostome
- D.
Metanephridia, nephridiopore
- E.
Nephrostome, nephridiopore
- 31.The structure of oligiochaetes, which secretes mucus and produces a cocoon that protects the developing young zygotes is called the
- A.
Slime layer
- B.
Epidermis
- C.
Setae
- D.
Clitellum
- E.
Prostomium
- 32.The hirudineans have ___________ segments, and anterior and posterior suckers, and no ____________.
- A.
15, parapodia
- B.
34, jaws
- C.
12, paddles
- D.
34, parapodia
- E.
15, jaws
- 33.Leeches feed from the body fluids of prey. When a leech feeds it does all of the following except
- A.
Attaches with posterior sucker
- B.
Secretes an anticoagulant
- C.
Secretes an anesthetic
- D.
Secretes an antibiotic
- E.
Attaches with segmental setae
- 34.The gizzard of an earthworm
- A.
Absorbs calcium into the blood circulation
- B.
Excretes calcium from the blood into the intestines
- C.
Stores ingested food
- D.
Grinds the ingested food so it may be absorbs
- E.
Nothing really, just connects the crop and the intestine
- 35.The hirudineans
- A.
Are endoparasites
- B.
Develop an increasing number of segments during adult life
- C.
Usually lack setae
- D.
Typically have anterior and midventral sucker, similar to flukes
- E.
Utilize parapodia for respiration
- 36.The type of tissue found around the intestine in the annelids tha can synthesize glycogen and break free to distribute nutrients in the coelom is called
- A.
Choragogen tissue
- B.
Pancreatic tissue
- C.
Archeoblastic tissue
- D.
Nephridial tissue
- E.
Excretory tissue
- 37.Polychaetes have the ability to tolerate a wide range of salinity in their enviornment. This ability is called
- A.
Eukaroyte
- B.
Euryhaline
- C.
Eurytopic
- D.
Euploidy
- E.
Salthappy
- 38.The typical annelid body wall is composed of several layers. Which of the following layers is in the correct order, outside to inside?
- A.
Peritoneum, circular muscle, cuticle
- B.
Longitudinal muscle, circular muscle, cuticle
- C.
Cuticle, epidermis, longitudinal muscle
- D.
Epidermis, peritoneum, longitudinal muscle
- E.
Cuticle, longitudinal muscle, peritoneum
- 39.Polychaetes contain all or some of the following sensory organs except
- A.
Simple eyes
- B.
Statocysts
- C.
Nuchual organs
- D.
Chemorecptors
- E.
Neurosecretory cells
- 40.Which of the following best describes the nervous system of leeches?
- A.
Two small brains with a single dorsal nerve cord
- B.
Two small brains with a single ventral nerve cord
- C.
Two small brains with double dorsal nerve cord
- D.
Two small brains with a double ventral nerve cord
- E.
One small brain with a single ventral nerve cord
- 41.Which of the following best describes the circulatory system of earthworms?
- A.
A double transport system with coelomic and circulatory fluid transport
- B.
A double transport system with lymph and circulatory fluid transport
- C.
A single transport system with circulation by blood only
- D.
A single transport system with circulation by coelomic fluid only
- E.
A blood vascular system
- 42.Respiration in annelids occur via all of the following except
- A.
Skin
- B.
Gills
- C.
Parapodia
- D.
Setae
- 43.The order in which water passes through the body of a simple sponge is
- A.
Spongocoel - ostia - osculum
- B.
Osculum - spongocoel - ostia
- C.
Osculum - ostia - spongocoel
- D.
Ostia - spongocoel - osculum
- E.
Ostia - osculum - spongocoel
- 44.The simplest canal system in sponges is found in the
- A.
Asconoids
- B.
Leucononoids
- C.
Syconoids
- D.
Cubozoids
- E.
Hydroids
- 45.The most complex and the most common canal systems of sponges is found in the
- A.
Asconoids
- B.
Leucononoids
- C.
Syconoids
- D.
Cubozoids
- E.
Hydroids
- 46.The gelatinous matrix found in sponges is
- A.
Spongin
- B.
Collagen
- C.
Pinacoderm
- D.
Mesohyl
- E.
Spiculin
- 47.Study of the marine hawksbille tutle stomach contents found that sponges were a major portion of their diet. Sponges are usually protected from predators by protective
- A.
Pinacocytes
- B.
Choanocytes
- C.
Spicules
- D.
Amoebocytes
- E.
Nematocysts
- 48.The outer thin, flat epithelial-like cells that cover the outside and some inside surfaces of sponges are
- A.
Pinacocytes
- B.
Choanocytes
- C.
Spiclues
- D.
Amoebocytes
- E.
Spongin
- 49.The modified cells of sponges that form circular bands and provide just a little constriction to control flow are
- A.
Pinacocytes
- B.
Choanocytes
- C.
Spiclues
- D.
Myocytes
- E.
Amoebocytes
- 50.A sponge feeds by
- A.
Using a net and current that sweeps food particles through it
- B.
Squeezing the spongocoel cavity to suck debris in and out through the osculum
- C.
Beating the flagella of collar cells to form a current; food is absorbed by collar cells
- D.
Beating the flagella of collar cells form a current from the osculum to pores; food is engulfed by archaeocytes in the central cavity
- E.
Photosynthesis
- 51.Cells that move about in the mesohyl and digest particles and may specialize for other functions are the
- A.
Archaeocytes
- B.
Pinacocytes
- C.
Choanocytes
- D.
Spongocytes
- E.
Pogocytes
- 52.Specialized archaeocytes that secrete spicules are
- A.
Collencytes
- B.
Sclerocytes
- C.
Choanocytes
- D.
Spongocytes
- E.
Spiculocytes
- 53.The structural protein found in all sponges is
- A.
Spongin
- B.
Collagen
- C.
Spiculin
- D.
Mesohyl
- E.
Gorgonin
- 54.Cells responsible for water flow and capture of some particles are the
- A.
Myocytes
- B.
Archaeocytes
- C.
Choanocytes
- D.
Pinacocytes
- E.
Gemmules
- 55.Which is NOT a trait of sponges?
- A.
Sessile filter feeders
- B.
Body wall has two cell layers
- C.
Flagellated collar cells move water
- D.
Water enters through the osculum
- E.
Types of amoeboid cells digest food and make skeletal fibers and gametes
- 56.Reproduction is sponges is
- A.
Asexual by budding
- B.
Sexual by gemmules
- C.
Sexual with both male and female sex cells in separate individual
- D.
Asexual by pedal laceration
- E.
All of the above
- 57.The ________ stage is best adapted for cnidarians living in colonies while the ____ stage helps in dispersal and survival in open oceans.
- A.
Gastrazooid; dactylozooid
- B.
Lappet; rhopalium
- C.
Medusa, polyp
- D.
Polyp; medusa
- E.
Dactylozooid; gastrozooid
- 58.
- A.
Respiratory
- B.
Nervous
- C.
Circulatory
- D.
Excretory
- E.
Reproductive
- 59.Throughout most cnidarian groups, the basal or pedal disc serves to
- A.
Be the base of the tentacles
- B.
Attach the cnidarian to the substrate
- C.
Generate buds
- D.
Perform extracellular digestion
- E.
Harbor sensory cells
- 60.The class Hydrozoa contain Hydra, Obelia, and
- A.
The Portuguese man-of-war
- B.
Aurelia
- C.
The sea anemones
- D.
Most of the corals
- E.
Moon jellyfish
- 61.Hydra reproduces asexually by
- A.
Buds
- B.
Nematocysts
- C.
Gland cells
- D.
Gametes
- E.
Producing temporary gonads
- 62.The function of rhopalia is
- A.
Digestive
- B.
Respiratory
- C.
Sensory
- D.
Reproductive
- E.
Excretory
- 63.Sea anemones and corals lack
- A.
A sexual stage
- B.
An asexual stage
- C.
A polyp stage
- D.
A medusa stage
- E.
A larval stage
- 64.Hermaphroditic sea anemones that produce sperm first and eggs later in order to prevent sel-fertilization, are called
- A.
Asexual
- B.
Pre-testicular
- C.
Postgynous
- D.
Protandrous
- E.
Precocious
- 65.The correct sequence in the life cycle of the jellyfish Aurelia is
- A.
Planula, ephyra, scyphistoma
- B.
Scyphistoma, planula, ephyra
- C.
Planula, scyphistoma, ephyra
- D.
Ephyra, planula, scyphistoma
- E.
None of the above
- 66.Which statement about cnidarians is NOT true?
- A.
Reproduction is both sexual and asexual
- B.
Some forms are sessile and others are motile
- C.
They live in either marine or freshwater environments
- D.
Tentacles are used to capture prey and put it into the mouth
- E.
The body plan is tube-within-a-tube, with both mouth and anus
- 67.A/an ______ is close to the land and has either no lagoon or a very shallow lagoon.
- A.
Atoll
- B.
Barrier reef
- C.
Fringing reef
- D.
Bank or patch reef
- E.
Cresting reef
- 68.Moon Jellyfish belong to the class
- A.
Anthozoa
- B.
Scyphozoa
- C.
Hydrozoa
- D.
Cubozoa
- E.
Moonozoa
- 69.Sensory cells responsible for maintaining balance and equilibrium are
- A.
Ocelli
- B.
Statocysts
- C.
Nerve cells
- D.
Gland cells
- E.
Muscle cells
- 70.The epidermis of most cnidarians does NOT contain which of the following cells
- A.
Epitheliomuscular cells
- B.
Gland cells
- C.
Interstitial cells
- D.
Nutritive muscular cells
- E.
Sensory cells
- 71.Which of the following in NOT a subclass of class Anthozoa?
- A.
Zoantharia
- B.
Alcyonaria
- C.
Daria
- D.
Ceriantipatharia
- 72.Food moves into the body of an anemone by which path?
- A.
Mouth-pharnz-syphonoglyph-gastrovascular cavity
- B.
Mouth-syphonoglyph-pharynx-gastrovascular cavity
- C.
Mouth-gullet-pharynx-gastrovascular cavity
- D.
Syphonoglyph-mouth-pharynx-gastrovascular cavity
- 73.A planarian feeds by
- A.
Attaching with a sucker and extracting blood
- B.
Tearing and sucking food particles via a mid-ventral proboscis
- C.
Engulfing food particles through an anterior mouth and excreting waste via an anus
- D.
Soaking all nutrients from the environment through its thin epidermal surface
- E.
Sucking nutrients in from the environment through its flame cell system
- 74.In flame cells,
- A.
Light is detected
- B.
Cilated sperm are stored
- C.
Undigested food is expelled
- D.
Slow fires actually burn food for energy
- E.
Cilia drive fluids through the tubules for excretion
- 75.Turbellarians, such as the planaria, move by
- A.
Flame cells
- B.
Small pseudopods
- C.
Lateral undulation of muscles
- D.
Expulsion of fluids as seen in squid
- E.
Secreting a slime track of mucus and pushing against it with epidermal cilia and muscular waves
- 76.Which of the following statements about planaria is not true?
- A.
The rudimentary circulatory system has a small central heart
- B.
Planaria cut in halff regenerate to form two complete worms
- C.
Movement occurs through ciliary cells and muscle movement
- D.
Tissue levels include endoderm mesoderm and ectoderm
- E.
Cephalization consists of a brain and sense organs in the a head region
- 77.The nervous system of a freshwater planarian consists of
- A.
Only a diffuse epidermal nerve plexus underneath the ventral skin
- B.
A simple brain of ganglion cells leading to a ladder-type nerve network
- C.
Only sensory and motor neurons but no association neurons
- D.
The first complex central nervous system
- E.
No cells since they were lost along with other unnecessary systems in parasites
- 78.The male capulatory organ of turbellarians is called a
- A.
Rhabdite
- B.
Pilidium
- C.
Cirrus
- D.
Hydatid
- E.
Gonopore
- 79.The intermediate host of the blood fluke is
- A.
Fish
- B.
Human
- C.
Snail
- D.
Dog
- E.
Rate
- 80.The blood fluke Schistosoma is
- A.
An endoparasite
- B.
An ectoparasite
- C.
Free-living
- D.
Mutualistic
- E.
None of the above
- 81.The name of the free-swimming, ciliated stage that hatched from a trematode egg is the
- A.
Sporocyst
- B.
Cerocaria
- C.
Miracidium
- D.
Larva
- E.
Rhabdites
- 82.Animals with three well defined germ layers and that have one solid mass of tissue rather than tissues and organs nestled inside a body cavity are
- A.
Pseudocoelomates
- B.
Acoelomates
- C.
Coelamates
- D.
Quasicoelomates
- E.
None of the above
- 83.
- The correct sequence of development is a typical fluke life cycle is
- A.
Egg, miracidium, cercaria, sporocyst
- B.
Egg, miracidium, sporocyst, cercaria
- C.
Egg, sporocyst, cercaria, miracidium
- D.
Egg, cercaria, miracyst, sporocyst
- E.
Egg, sporocyst, miracidium, cercaria
- 84.Humans become infected with blood flukes by
- A.
Eating infected fish
- B.
Eating infected crabs or crayfish
- C.
Drinking water contaminated with eggs
- D.
Wading in infected waters
- E.
Eating undercooked pork
- 85.Trematodes have a body covering known as a(an)
- A.
Exoskeleton
- B.
Cuticle
- C.
Epithelium
- D.
Tegument
- E.
Shell
- 86.A farmer in a rice paddy in Asia becomes infected with the liver fluke by
- A.
Eating infected snails
- B.
Drinking water contaminated with eggs
- C.
Eating infected undercooked or uncooked fish
- D.
Swimming or wading in infected water, where cercariae enter the skin
- E.
Eating bad rice
- 87.Animals that have three germ layers of embryonic tissue but have organs in a cavity that is not completely lined with mesoderm are
- A.
Coelomate
- B.
Acoelomate
- C.
Pseudocoelomate
- D.
Quasicoelomate
- E.
Eucoelomate
- 88.Which statement is not correct about nematodes?
- A.
Nematodes lack circular muscles under the tegument
- B.
Nematodes have a complete digestive tract with a mouth, pharynx, and anus
- C.
The nervous system consists of a single nerve cord running dorsally down the body
- D.
Nematodes are all carnivores but may be free-living or parasitic
- E.
The body cavity provides a hydrostatic skeleton
- 89.Which of these parasites does not enter the mouth of its human host and leave as eggs with the human feces?
- A.
Pinworm
- B.
Ascaris
- C.
Hookworm
- D.
Tapeworm
- E.
Filiarial worms
- 90.In what two roundworm parasite cycles do worms get 'coughed up" and swallowed in order ot complete their life cycle
- A.
Hookworm and trichina
- B.
Ascaris and trichina
- C.
Ascaris and hookworm
- D.
Filarial worm and hookworm
- E.
Filarial worm and Ascaris
- 91.If you are discovered to have an infection of Ascaris worms, your most likely danger is
- A.
Anemia
- B.
Destruction of tissues as it migrates through your body
- C.
Blockage of the intestines
- D.
Starvation from lack of nutrition because it is absorbing all your food
- E.
Lymph blockage
- 92.Which of these is not a nematode?
- A.
Ascaris
- B.
Trichinella
- C.
Wuchereria
- D.
Hookworm
- E.
Schistosoma
- 93.The name "hookworm" is due to the fact they
- A.
Cluster in blood vessels in the liver and clog the veins
- B.
Burrow constantly through muscle tissue
- C.
Hook onto the intestine and consume blood and tissue fluids
- D.
Clog the lymph glands and expand the legs and arms
- E.
Have an anterior end that curves dorsally like a hook
- 94.If the main disease symptom is anemia, the most likely nematode parasite is
- A.
Trichinella
- B.
Ascaris
- C.
Pinworm
- D.
Hookworm
- E.
Planaria
- 95.
- A.
You consume contaminated water or food
- B.
You eat uncooked meat
- C.
Larvae burrow into your feet
- D.
Mosquitoes inject them into your bloodstream
- E.
You transfer them from your region if you don't wash your hands
- 96.Parasites found in the United States where people contract it up by eating poorly cooked pork meat, bear meat, etc is
- A.
Trichinella
- B.
Ascarius
- C.
Pinworm
- D.
Hookworm
- E.
Filarial worms
- 97.Dogs commonly suffer from heartworm caused by
- A.
Filarial worms
- B.
Tapeworms consumed in raw meat
- C.
Nematodes consumed as eggs in contaminated water
- D.
Licking their dirty paws
- E.
Licking their dirty butt (sorry it's getting late, I'm sleepy)
- 98.Juvenile Trichinella worms live in the
- A.
Liver
- B.
Lungs
- C.
Intestine
- D.
Lymph glands
- E.
Skeletal muscle
- 99.Elephantiasis is an enlargement of legs, arms, scrotum, and other tissues caused by
- A.
An infection of the human coelom by Ascaris
- B.
A large number o Trichinella worms encysting in the muscles
- C.
Contracting a disease that usually occurs in elephants
- D.
Microscopic nematode that reproduce and clog lymph glands
- E.
A protozoan that lives in tropical roundworms and which, when ingested by human, causes the muscles to bloat
- 100.The mild nematode infection somewhat common among children in teh southern United States, and transmitted as eggs from anal to oral regions by the hands is
- A.
Trichinella
- B.
Ascaris
- C.
Hoodworm
- D.
Pinworm
- E.
Ringworm
- 101.Most male nematodes bear a pair of posterior spicules which aid in
- A.
Locating a female nematode
- B.
Inseminating a female nematode
- C.
Attaching the worm to the intestinal wall
- D.
Attaching the worm to the bladder wall
- E.
Secreting mucus to prevent dehydration
- 102.Which of the following is not a factor that protects north American from many parasitic worm infecions
- A.
Much of the United States has bitter cold winter
- B.
Most of the population wears shoes
- C.
We usually cook our meat and there are very few raw meat dishes
- D.
We have superior drugs and surgeons
- E.
We do not use human excreta to directly fertilize crops
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