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Exam 3 Practice Test
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Fragen in diesem Quiz (55)
1Which feature/trait do squid and octopus have that other members of phylum Mollusca, such as clams/oysters/snails, do not have?
- Aheterotrphy
- Bbilateral symmetry
- Cclosed circulatory system
- Dtissues
- Emulticellularity
2Which of the following is (are) unique to animals ?
- Aheterotrophy
- Bflagellated gametes
- Cnervous conduction and muscular movement
- Dthe structural carbohydrate, chitin
- Ecells that have mitochondria
3What is an important advantage to a closed circulatory system?
- Aquicker early development
- Bimproved movement/activity
- Cdevelopment of coelom
- Ddevelopment of tissues
4Which of the following groups of insects do we think has the highest number of species?
(NOTE: over 400,000 species have been described so far in this group of insects)- Abutterflies
- Bflies
- Cbeetles
- Dbees/wasps/ants
- Egrasshoppers
5Which of these, if true, would support the claim that the ancestral cnidarians had bilateral symmetry?
1.) Cnidarian larvae possess anterior-posterior, left-right, and dorsal-ventral sides/positions.
2.) Cnidarians have fewer Hox genes than bilaterians.
3.) All living cnidarians have both endoderm and ectoderm layers as embryos.
4.) All cnidarians are acoelomate.- Astatements 2 & 4 only
- Bstatement 1 only
- Cstatements 2 & 3 only
- Dstatements 3 & 4 only
6Which of the following is NOT a feature of chordates?
- Apharyngeal slits/clefts
- Becdysis (i.e., molting)
- Cdorsal. hollow nerve cord
- Dpost-anal tail
- Enotochord
7Which of the following are the only living animals that descended directly from dinosaurs?
- Asnakes
- Bbirds
- Ctuataras
- Dlizards
- Ecrocodiles
8What can ~ most amphibians do that humans cannot do?
- Awalk using legs
- Bbreathe through their skin
- Cresist gravity with bony internal skeleton
- Dhave separate pulmonary circuit
- Ebreathe through lungs
9Which 2 important features distinguish bony fish (e.g., goldfish, grouper) from cartilaginous fish (e.g., stingrays, sharks)?
- Agill cover/operculum & post-anal tail
- Bpost-anal tail & swim bladder
- Cdorsal, hollow nerve chord and gills
- Dswim bladder & gill cover/ operculum
- Edorsal, hollow nerve chord & post-anal tail
10Which of the following are the most abundant and diverse of living vertebrates?
- Amammals
- Bbirds
- Cinsects
- Damphibians
- Eray-finned fishes
11Do members of the phylum Cnidaria have a separate mouth and anus?
- AYes
- BNo
12In terms of numbers of species, which is the most successful group of animals?
- Abirds
- Bmollusks
- Cfishes
- Dmammals
- Earthropods
13Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that...
- Aarthropods evolved before vertebrates did
- Bancestral arthropods must have been poorly adapted to aquatic life and thus experienced a selective pressure to invade land
- Carthropods have had more time to coevolve with land plants than vertebrates have had
- Dextant terrestrial arthropods are better adopted to terrestrial life than are extant terrestrial vertebrates
14Of the following organisms, which are amniotes ?
- Aegg-laying mammals only
- Bamphibians
- Cfishes
- Dmammals
- Eplacental mammals only
15Which of these characteristics added most to vertebrate success in relatively dry environments?
- Athe ability to maintain a constant body temperature
- Btwo pairs of appendages
- Ca four-chambered heart
- Dthe shelled, amniotic egg
- Ebony scales
16What kind of symmetry do members of the phylum Porifera exhibit?
- Abilateral symmetry
- Bisohedral symmetry
- Cradial symmetry
- Dno symmetry
17Some corals have photosynthetic organisms (i.e., zooxanthellae) living within their tissues. What benefit do these corals get from their photosynthetic 'house- mates"?
- Asugars
- BCO2 (carbon dioxide)
- Cprey items that the zooxanthellae capture
- Da safe place to live
18What feature do cnidarians have that porifera do not have?
- Amulticellularity
- Bsexual reproduction
- Chetertrophy
- Dtissues
19Which of the following terms describes an animal with a body cavity completely enclosed within mesoderm tissue?
- Apseudocoelomate
- Bquasicoelomate
- Ccoelomate
- Dacoelomate
20The presence of a swim bladder allows the typical ray-finned fish to stop swimming and still
- Abe highly maneuverable
- Beffectively circulate its blood
- Cuse its own bladder as a respiratory organ
- Dnot sink
21Which of the following features is NOT present in arthropods?
- Amolting of exoskeleton to grow
- Bclosed circulatory system
- Csegmentation of body parts
- Dopen circulatory system
- Emolting (i.e., replacement of "old" exoskeleton with new one)
22Which of the following is not an insect?
- Abutterfly
- Bbettle
- Cant
- Dspider
- Ebee
23Acoelomate (i.e., no coelom) is a feature of chordates... true or false?
- ARichtig
- BFalsch
24Which of the following organisms does NOT have a 4 chambered heart?
- Acrocidile
- Bparrot
- Cfrog
- Dopossum
- Eplatypus
25A "complete digestive tract" differs from a gastrovascular cavity in that only the complete tract
- Apermits extracellular digestion
- Bhas teeth and tentacles to help with ingestion
- Cuses its surface area for nutrient absorption
- Dhas specialized compartments
- Eallows elimination of undigested waste
26In humans, the first opportunity for ingested food to undergo enzymatic hydrolysis is in the
- Amouth
- Bstomach
- Cliver
- Dsmall intestine
- Elarge intestine
27The brush border/microvilli of the epithelial cells lining the small intestine have a specific form. What is their function?
- Aclean the surfaces of the intestinal cells
- Bpromote movement of waste products
- Cpromote movement of chyme
- Dnutrient absorption
- Ewaste excretion
28The bile salts function in fat digestion by
- Ahydrolyzing fat molecules to glycerol and fatty acids
- Bseparating individual fat molecules from each other
- Cdissolving fats in water
- Ddispersing big droplets of fats to small droplets
- Etriggering the secretion of pancreatic lipase
29Increased glucose levels in blood, after a meal trigger
- Aglucagon release from pancreas
- Binsulin release from the pancreas
- Csecretin release from the duodenum
- Dcholecystokinin release from the pancreas
- Eactivation of amylase in the blood
30Glucagon, the pancreatic hormone, functions to
- Astimulate hunger
- Binhibit activity in the small intestine
- Cincrease fat storage in fat cells
- Dreduce glucose levels in the blood
- Estimulate the liver to release glucose
31The fluid that moves around in the circulatory system of a typical arthropod is the
- Aintracellular fluid
- Binterstitial fluid/hemolymph
- Cblood plasma
- Ddigestive juices
- Ecytosol
32Corrected order of blood flow in human circulatory system:
- Aleft ventricle, aorta, right ventricle, lungs, & systemic capillaries
- Bleft ventricle, right ventricle, aorta, systemic capillaries , & lungs
- Cleft ventricle, aorta, systemic capillaries , right ventricle, & lungs
- Dleft ventricle, aorta, lungs, systemic capillaries, right ventricle
33Which of the following tissue types is incorrectly matched with its function?
- Aepithelial tissue- covers and lines organs and body cavities
- Bmuscle tissue- holds the tissues and organs in place
- Cconnective tissue- stores fat and provides flexibility
- Dnervous tissue- processing and transmission of information
34Heat exchange between an organism and its environment to maintain body temperature (thermoregulation) is achieved by
- Aradiation
- Bconduction
- Cconvection
- Devaporation
- Eall of the above
35For blood flow in fish gills, net movement of oxygen from water into blood occurs only in the first half of the distance where blood and water are in close contact
- ARichtig
- BFalsch
36The desert ant, which lives in the Sahara Desert, has several features and behaviors that allow it to live in such a harsh environment. These include all the following, except
- Aliving in underground burrows that are much cooler than the above ground temperatures.
- Bunusual enzymes that work optimally at extremely hot temperatures.
- Conly leaving its burrows during the day to capture its prey items.
- Dlong legs that allow it to run very fast to capture its prey so it spends little time aboveground.
- Elong legs which lift its body above the extremely hot desert sands.
37Galapagos iguanas are the only iguana species that regularly spends time in saltwater, where they eat macroalgae growing on the submerged rocks. They manage to stay warm enough to swim in the very cold waters surrounding the Galapagos islands. They stay warm enough by all the following, except
- AThey gain heat via conduction by laying next to other iguanas that are warmer.
- BThey gain heat via evaporation in their relatively large nasal (i.e., nose) cavities.
- CThey gain heat via radiation from the sun shining down on them.
- DThey gain heat via conduction from lying on the dark rocks on land.
38A defining characteristic of birds
- Ais a four-chambered heart.
- Bis that they build nests and care for their young.
- Care feathers.
- Dis their having both a systemic circuit and a pulmonary circuit.
- Eis endothermy.
39The 4 characteristic features of chordates include all the following, except
- Anotochord.
- Bdorsal hollow nerve cord.
- Cpost-anal tail.
- Dpharyngeal slits/clefts.
- Ebony or cartilaginous vertebral column.
40Successful invasion of the land by tetrapods required all the following, except
- Asystems to prevent embryos from drying out.
- Bsystem to prevent the whole-body desiccation.
- Clungs which were more efficient than fish gills to extract oxygen from the air.
- Dredesigned heart and circulatory systems to support larger muscles.
- Elegs to support the weight of the body.
41A student in a general biology 2 class told their professor that they missed class the previous week because they had suffered an injury to their notochord. Is this possible?
- ANo, as the notochord is located within and protected by the rigid vertebral column containing calcium phosphate.
- BNo, as human adults do not have a notochord.
- CYes, as the notochord is made of cartilage which is not as rigid as bone.
- DYes, as general biology 2 students very often suffer damage to their notochords because of poor posture when reading their textbooks.
- EYes, as the notochord is not contained within or protected by the bony vertebral column.
42How many different cell types are in the human body?
- A~50
- B~200
- C4
- D~100
- E~500
43Is the human body’s response to excessively cold temperatures, shivering and vasoconstriction of blood vessels near the skin surface, voluntary or involuntary?
- Avoluntary
- Binvoluntary
- CIt depends on the person
44A true 4-chambered heart does not allow
- Athe mixing of blood from the systemic circuit with the pulmonary circuit.
- Bthe mixing of blood from the pulmonary circuit with the gill circuit.
- Cthe mixing of blood from the right side of the body with the left side of the body.
- Dthe mixing of blood from the systemic circuit with the gill circuit.
- Ethe mixing of blood from the right lung with the left lung.
45Is the human body’s response to excessively hot temperatures, sweating and vasodilation of blood vessels near the skin surface, voluntary or involuntary?
- Avoluntary
- Binvoluntary
- CIt depends on the person
46Where do absorbed fats finally enter the blood?
- Awithin chylomicrons in the lymph at the subclavian veins
- Bfrom epithelial cells lining the small intestine into the hepatic portal vein
- Cwithin chylomicrons in the lymph into the hepatic portal vein
- Dwithin chylomicrons in the liver
- Efrom epithelial cells lining the small intestine into the hepatic portal artery
47The body stores excess glucose as all the following, except
- Aglycogen in the pancreas
- Bglycogen in the muscles
- Cglycogen in the liver
- Dfat in adipose tissue
48Why is the protease pepsin released from cells in an inactive form?
- Aso it can reach very high concentrations within the cells
- Bso that it can be produced constantly
- Cso it does not break down proteins found within the cells
- Dso it can be produced only when it is needed
- Eso it can be more easily transported across plasma membranes
49What would be an important consequence of losing all your alpha cells in your pancreas?
- Ainability to lower your blood glucose levels once they are > 90 mg/100ml
- Binability to raise your blood glucose levels once they are < 90 mg/100ml
- Cinability to increase the pH of the chyme entering your duodenum
- Dinability to decrease the pH of the chyme entering your duodenum
- Einability to use glucose as a source of energy in your cells
50A very low level of glucose in the blood after a long period of fasting will cause
- Aactivation of amylase in the blood.
- Bpepsinogen release from chief cells in the stomach.
- Cinsulin release from the pancreas.
- Dsecretin release from the duodenum.
- Eglucagon release from the pancreas.
51What is meant by the term “essential” in reference to nutrients?
- AThey cannot be synthesized within the human body and need to be a part of the diet.
- BThey are needed only during early developmental stages and are not needed once an organism reaches maturity.
- CThey can only be synthesized by plants and therefore are not needed by animals.
- DThey can only be synthesized by animals and therefore are not needed by plants.
- EThey can be created from scratch/de novo within the human body from other organic molecules.
52Which of the following is mismatched?
- AO2 rich blood — arteriole
- BO2 rich blood — left ventricle
- CO2 poor blood — venule
- DO2 rich blood — pulmonary artery
- EO2 poor blood — right atrium
53The following structures are involved in the vertebrate circulatory system: (1) veins, (2) arterioles, (3) capillaries, (4) venules, and (5) arteries. What is the correct order of blood flow once it leaves the capillary beds?
- A5, 2, 3, 4, 1
- B1, 2, 3, 4, 5
- C4, 1, 5, 2, 3
- D4, 1, 2, 5, 3
- E5, 2, 1, 4, 3
54Why do arteries have thicker walls than veins have?
- Ato minimize the passage of molecules through the endothelial cells
- Bto allow greater diffusion of amino acids and glucose
- Cto allow greater diffusion of O2 and CO2
- Dto tolerate the greater blood pressure found within the arteries
- Eto maintain the volume of blood in the circulatory system
55What is returned to the blood at the junction between the lymphatic system and the circulatory system?
- Achylomicrons
- BBOTH fluid lost from the capillary beds and chylomicrons
- Cfluid lost from the capillary beds
- Dglucose and amino acids from digestion
Informationen
- Beschreibung
- Practice test for Dr. Geiger Biology 2 Exam
- Autor
- Jaslyn Villalona
- Sprache
- English
- Aufrufe
- 79
- Schlagwörter
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