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ISU BIOL 211 - Practice Final

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SI Bio 211 Practice Final12.05.071. Multicellularity is thought to have arisen due to serial endosymbiosis.a. Trueb. False2. A life cycle that can be described as alternation of generations with a dominant gametophyte generation characterizes:a. Bryophyteb. Gymnospermc. Angiospermd. Dinoflagellatese. None of the above3. All plants have all of the following features except:a. Cellulose in their cell wallsb. Reproduction by way of seedsc. Alternation of generationsd. All plants have all of the above features4. In plants, spores are __ and produced by __; gametes are __ and produced by __.a. Haploid, mitosis; haploid mitosisb. Haploid, meiosis; haploid meiosisc. Diploid, mitosis; haploid, mitosisd. Haploid, meiosis; haploid, mitosis5. Which term best explains why a multicellular organism, such as a lion, can carry out many more functions than a single cell in its body?a. Phylogenyb. Emergent propertiesc. Endosymbiotic relationshipsd. Reductionism6. Mitochondria are believed to have originated by a(n) ____relationship between a prokaryote and an early eukaryote.a. Parasiticb. Opportunisticc. Endosymbioticd. Commensualistic7. Protists are prokaryotes.a. Trueb. False8. Fungi play the role of:a. Decomposersb. Pathogensc. Food sourced. All of the above9. ____ compose the ____ of fungi.a. Hyphae, sporesb. Mycelium, hyphaec. Hyphae, myceliumd. Fruiting bodies, hyphae10. Which of the following shows the correct order of embryonic development?a. Zygote, blastula, 8-cell stage, gastrula, gastrulationb. Zygote, 8-cell stage, blastula, gastrulation, gastrulac. Zygote, blastula, gastrulation, gastrula, 8-cell staged. 8-cell stage, zygote, gastrualtion, gastrula, blastula11. Deuterostomes develop the ___ first and have ___, ___ cleavage.a. Mouth, radial, determinantb. Mouth, spiral, determinantc. Anus, radial, indeterminantd. Anus, radial, determinant12. sponges lack what defining characteristic?a. Choanocytesb. Cnidocytesc. True tissuesd. Bilateral symmetry13. Name the germ layers from the outside to insidea. Mesoderm, ectoderm, endodermb. Ectoderm, mesoderm, endodermc. Endoderm, mesoderm, ectodermd. Ectoderm, endoderm, mesoderm14. What is the difference between an acoelomate and a coelomate?a. Acoelomate has a body cavityb. Acoelomate lacks a body cavityc. Coelomate has true tissued. Coelomate lacks true tissue15. In mitosis, __, __ cells are produced; in meiosis, __,__ cells are produced.a. 4, haploid; 4 diploidb. 2 haploid; 4 diploidc. 4 diploid; 2 haploidd. 2 diploid, 4 haploid16. If my genotype is iAiB, what genotype could my father be?a. iAiBb. iAiAc. iBiBd. iie. a, b, and c only17. Genes that occur on the X chromosome and not on the Y chromosomes are ___.a. Nondisjuctionb. Mutatedc. Sex-linkedd. Recombined18. A heterozygous individual is crossed with a homozygous dominant individual. What is the probability of getting a heterozygote offspring?a. 0b. .25c. .5d. .7519. In a dihybrid cross of heterozygote, what proportion of the offspring will be phenotypically dominant for both traits?a. 1/16b. 3/16c. 1/4d. 9/1620. Meiosis II is similar to mitosis becausea. Sister chromatids separateb. Homologous chromosomes separatec. DNA replication precedes the divisiond. They both take the same amount of timeSI Bio 211 Practice Final12.05.0721. The bottom layer of sediment on the ocean floor is part ofthe:a. Pelagic zoneb. Oceanic zonec. Neritic zoned. Benthic zone22. Zero population growth occurs when:a. K=0b. N=0c. N=Kd. No organisms enter or leave23. I live in the Molecular Biology building but I have the capacity to travel anywhere in the world.a. My fundamental niche is the world and my realized niche is ISUb. My fundamental niche is the U.S. and my realized niche is MBc. My fundamental niche is MB and my realized niche is the worldd. My fundamental niche is the world and my realized niche is MB24. The half life of 238U is 4.5 billion years. A fossil contains 1/8 the normal ratio of 238U to 234Th. Approximately how old is the fossil?a. 9.5 billion yrsb. 13.5 billion yrsc. 4.5 billion yrsd. 15.5 billion yrs25. What is the most significant characteristic of Archaea?a. They live in extreme environmentsb. They have endosymbiontsc. They are all gram positived. They are resistant to antibiotics26. Photoheterotrophs get their carbon from ___ and their energy from___.a. CO2, sunlightb. Organic sources, sunlightc. CO2, chemical sourcesd. Organic sources, CO227. What is the central dogma of life?a. RNA -> proteins -> cellsb. DNA -> cells -> lifec. DNA -> RNA -> proteinsd. RNA -> DNA -> cells28. Where is food stored in the dicot seed?a. Rootsb. Stemc. Cotyledonsd. Endosperm29. A stamen is composed of:a. Stigma, style, ovaryb. Petals, sepalsc. Carpel, sepal, ovuled. Anther, filament30. What is lichen composed of?a. Algae and rootsb. Fungus and algaec. Hyphae and myceliumd. Plant and bacteria31. Eumetazoa are divided into the groupsa. Protostome and deuterostomeb. Metazoan and ametazoac. Lophotrophozoa and ecdysozoa d. Radiata and bilateria32. Which is the correct order of interphase?a. S, G1, G2, mitosisb. G1, G2, mitosis, Sc. G1, S, G2, mitosisd. S, mitosis, G1, G233. After what example would secondary succession take place?a. Glacierb. Volcanoc. Deforestationd. None of the above34. Cryptic coloration could be renamed:a. Batesian mimicryb. Camouflagec. Mullerian mimicryd. You cant see me35. All populations in an area plus the abiotic elements compose the:a. Communityb. Biospherec. Ecosystemd. Population36. Where do microtubules attach on a tetrad?a. At the endsb. At the centromerec. At the kinetochored. At the centrosome37. If the birth rate is higher than the death rate:a. The population will remain the sameb. The population will increasec. The population will decreased. Not enough information38. Which of the following effects result in a loss of genetic variation?a. Recombinationb. Bottleneck effectc. Founder effectd. Both B and C39. When a population is geographically divided, ___ may occur.a. Loss of genetic variationb. Gain of genetic variationc. Allopatric speciationd. Sympatric speciation40. Which of the following answers is correct?a. Correctb. Correctc. Correctd.


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ISU BIOL 211 - Practice Final

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