Bio Final Review MC questions
Quiz by Jennifer Lynn
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20 questions
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- Q11. A civic leader wishes to limit the amount of pollution that is carried along runoff into rivers and streams. One plan that can help accomplish this is to limit the:Amount of CFCs entering theAmount of CO2 entering the atmosphere atmosphereUse of nitrogen-fixing crops on farmsUse of fertilizers on farms120s
- Q22. Which of the following best describes how DNA and RNA are similar?They both contain the nitrogen bases cytosine and guanine.They both contain the nitrogen bases thymine and adenine.They both are formed in a double-helix structure.They both are composed of five different nucleotides.120s
- Q3Structures that have a similar evolutionary origin and structure but are adapted for different purpose, such as the limbs in the diagram are called:embryonic structures.homozygous genesanalogous structures.homologous structures.120s
- Q44. Charles Darwin proposed that organisms produce many more offspring than can possibly survive on the limited amount of resources available to them. According to Darwin, the offspring that are most likely to survive are those that:are born first and grow fastestare best adapted to the environmentare largest and most aggressivehave no natural predators120s
- Q55. Each of the following is an abiotic factor in the environment except:Plant lifeTemperatureRainfallSoil type120s
- Q6Structure II in the above diagram represents:mRNArRNADNAtRNA120s
- Q7The process illustrated in the diagram is called:ReplicationMutationTranslationTranscription120s
- Q8What is the original source of almost all the energy in most ecosystems?WaterSunlightCarbonCarbohydrates120s
- Q9Which is a biotic factor that affects the size of a population in a specific ecosystem?Concentration of oxygen in the ecosystemAverage temperature of the ecosystemNumber and kinds of predators in the ecosystemType of soil in the ecosystem120s
- Q10Nitrogen fixation is carried out primarily by:ConsumersHumansBacteriaPlants120s
- Q11The diagram represents undisturbed rock strata in a given region. A representative fossil of an organism is illustrated in each layer. Which statement best describes a relationship between these representative organisms?All of these organisms probably evolved at the same timeOrganism A was older than organism B and organism COrganism A was probably younger than organism B and organism COrganism C probably gave rise to organism A and organism B120s
- Q12If the diagram represents a part of the process of protein synthesis, strand A would:pick up and transfer nucleic acids to the nucleus.serve as a RNA code for the synthesis of DNA.pick up and transfer specific amino acids to the cytoplasmserve as a DNA code for the synthesis of messenger RNA120s
- Q1313. What is the name of the process shown in the diagram?ReplicationTranscriptionProtein synthesisTranslation120s
- Q14If a mutation or change in genetic information, introduces a new skin color in a lizard population, which factor might determine whether the frequency of the new characteristic will increase?How many other variations of the characteristic are presentHow many variations the population hasWhether the change was caused by nature or humanWhether the change makes some lizards more fit for their environment than other lizards120s
- Q1515. Upon closer examination of the skeleton of whale, the pelvic and femur bones can be observed and are shown in the diagram. What is this showing?Natural selectionArtificial selectionHomologous structuresVestigial structures120s
