Introductory Biology I, Exam I Spring, 2014
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1 Introductory Biology I, Exam I Spring, 2014 Name: Instructions: There are 65 questions; each is worth 2 pts. Write down the best answer for each one. Please make sure that you fill out your scantron correctly. In case of discrepancy, the answer on the scantron will be considered your answer. When you re finished, please hand in the scantron. You may keep the exam. Good luck! 1) You observe that three different species of cat have long canines. From this you conclude that all cats have long canines. This is an example of: a) Inductive reasoning b) Deductive reasoning c) no reasoning at all 2) Based on some preliminary observations, you hypothesize that zebras can run faster than wildebeest. You go out and observe zebras and wildebeest, and discover that you are wrong. Your original hypothesis is an example of: a) Inductive reasoning b) Deductive reasoning c) no reasoning at all 3) Humans and leopards are in the same: a) Genus b) species c) Family d) Order e) Class 4) Taxonomic category between Family and species: a) Genus b) Phylum c) Kingdom d) Order e) Tribe 5) The correct scientific name of the spotted turtle (a turtle found around here) is: a) Clemmys guttata b) Clemmys Guttata c) clemmys guttata d) Clemmys guttata e) clemmys guttata 6) True or false: the system of classification we use reflects (as best we know) evolutionary relationships: 7) The only group of animals which does not have tissues: a) Cnidaria b) Platyhelminthes c) Nematoda d) Mollusca e) Porifera 8) Generally asymmetrical (with a few radially symmetrical species): a) Cnidaria b) Platyhelminthes c) Nematoda d) Mollusca e) Porifera 9) A type of cell found in sponges: a) Cnidocytes b) Flame cells c) red blood cells d) Choanocytes 10) True or false: sponges can move using jet propulsion: 11) Cnidaria are named after these types of cell: a) Cnidocytes b) Flame cells c) red blood cells d) Choanocytes 12) Corals are members of which phylum? a) Platyhelminthes b) Nematoda c) Mammalia d) Porifera e) Cnidaria 13) Shistosomiasis is caused by members of which phylum? a) Platyhelminthes b) Nematoda c) Mammalia d) Porifera e) Cnidaria
2 14) Shistosomiasis passes from person to person using this animal as an intermediate host: a) squirrel b) mosquito c) snail d) tse-tse fly e) cat 15) True or false: a diet pill company once sold diet pills consisting of tape worm eggs: 16) These worms have a complete digestive tract but no circulatory system: a) round worms b) flat worms c) segmented worms d) snails 17) A disease that affects up to 60% (depending on your source) of kids in the U.S.: a) hookworm b) elephantiasis c) heartworm d) shistosomiasis e) pinworm 18) An advanced group of worms, this group has a circulatory system and is sgemented: a) Plathyheminthes b) Nematoda c) Annelida d) Molluska e) Cnidaria 19) Members of this phylum are once again being used in medicine: a) Plathyheminthes b) Nematoda c) Annelida d) Molluska e) Cnidaria 20) All mollusks have the following (careful): a) radula b) shell c) circulatory system d) muscular foot 21) The most intelligent invertebrates are probably: a) ants b) sponges c) jellyfish d) clams e) octopus and squid 22) True or false: the blue ringed octopus from Australia can be deadly to humans: 23) The most successful group of animals on the planet. Period. a) Plathyhelminthes b) Arthropoda c) Annelida d) Chordates e) Cnidaria 24) The phylum Arthropoda is named after which feature? a) exoskeleton b) open circularory system c) jointed appendages d) antenna 25) Horseshoe crabs belong to which subphylum (be careful): a) Trilobites b) Chelicerates c) Crustaceans d) Uniramians 26) And extinct subphylum of Arthropods: a) Trilobites b) Chelicerates c) Crustaceans d) Uniramians 27) The closest living phylum to the Chordates: a) Trilobites b) Crustaceans c) Cnidaria d) Echinoderma e) Insecta 28) Not a characteristic of the Chordates (sometime in their life cycle): a) dorsal hollow nerve cord b) notochord c) gill slits d) dermal ossicles 29) Members of this group are responsible for damaging the fishing industry in the great lakes: a) Reptilia b) Mammalia c) Agnatha d) Osteichthyes
3 30) A unique characteristic of the Chondrichthyes is: a) teeth b) lungs c) gills d) cartilage skeleton e) live birth 31) Rays and skates feed mostly on: a) humans b) jellyfish c) mollusks and other bottom dwellers d) algae 32) The most successful group of bony fish: a) Lobe fined fish b) Lung fish c) Ray finned fish 33) Gold fish, salmon, and tuna are examples of: a) Lobe fined fish b) Lung fish c) Ray finned fish 34) The first group of vertebrates to invade land, these animals are handicapped by a moist skin: 35) Caecilians are members of which group of animals? 36) An amniotic egg (an egg that can survive on land) is first found in: 37) True or false: dinosaurs probably did not go extinct - birds are probably just feathered dinosaurs: 38) Group that has many adaptations for weight loss: a) Reptiles b) Birds c) Mammals d) Amphibians e) Marsupials 39) Hair and mammary glands are unique to: a) Reptiles b) Birds c) Mammals d) Amphibians e) Osteichthyes 40) A group of mammals that lays eggs: 41) The duck-billed platypus is a memmber of the: 42) The Koala is a member of the: 43) The two most successful orders of mammals are: a) Elephants and hedgehogs b) primates and shrews c) rodents and bats d) carnivores and anteaters e) rabbits and whales 44) Designed to absorb nutrients, water and minerals from the soil: a) roots b) shoots c) stems 45) A type of vascular tissue that moves water upwards in a plant: a) xylem b) phloem c) none of the above
4 46) Mosses are generally small because they do not have: a) roots b) photosynthesis c) spores d) a vascular system 47) A plant that was thought to cure liver disease in the middle ages: a) moss b) club moss c) liverwort d) gymnosperm e) angiosperm 48) True or falls: club mosses used to get as large as trees: 49) Cycads belong to which group of plants? a) Gymnosperms b) Angiosperms c) Ferns d) Bryophytes 50) Rice, corn, wheat and bananas all belong to which group of plants? a) Monocots b) Dicots c) Gymnosperms 51) Part of the male reproductive system in a flower: a) Carpels b) ovary c) stigma d) style e) anthers 52) True or false: some flowers reek of dead corpses and are pollinated by flies: 53) True or false: seedless grapes are grown using only asexual reproduction: 54) Not one of the four most important elements (in the body): a) Oxygen b) Hydrogen c) Carbon d) Nitrogen e) Calcium 55) True or false: compounds or molecules always have the same characteristics as the elements that make them up: 56) An atom with 6 neutrons probably has how many electrons? a) 4 b) 5 c) 6 d) 12 e) 18 57) Hydrogen and oxygen in a single water molecule are held together by a/an (careful (see next question)): a) covalent bond b) ionic bond c) hydrogen bond 58) Water molecules are held together by: a) covalent bonds b) ionic bonds c) hydrogen bonds 59) A liquid with a ph of 2 would probably be: a) acidic b) basic c) impossible to tell 60) The reaction used to link together monomers: a) hydrolysis b) dehydration 61) An example of a monosaccharide: a) starch b) sucrose c) cellulose d) glucose e) lactose
5 62) Fat is made up of fatty acid chains and: a) starch b) sucrose c) glycerol d) ethanol e) lactose 63) True or false: all polypeptides are proteins: 64) The exact sequence of amino acids is what kind of structure? a) primary b) secondary c) tertiary d) quaternary 65) Uracil is found in: a) DNA b) RNA c) none of the above Reminders: 1) Please put your G-number on the scantron before you hand it in. 2) You may keep the exam. 3) Use blackboard to look up your score (hopefully within 24 hours).
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