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47 questions
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- Q1What is the first step in the process of genetic engineering?Inserting DNA into a host organismCloning the DNAIdentifying a trait of interestReplicating the DNA30sSTEM_BIO11/12-IIIa-b-6
- Q2In the process of genetic engineering, what is a plasmid?A small circle of DNA that is transferred into a host organismA protein that helps to replicate DNAA type of enzyme that cuts DNAThe host organism that receives the new trait30sSTEM_BIO11/12-IIIa-b-6
- Q3Which enzyme is used to cut DNA strands at specific locations during genetic engineering?PolymeraseLigaseRestriction enzymeHelicase30sSTEM_BIO11/12-IIIa-b-6
- Q4What is one of the applications of recombinant DNA technology?Manufacture of plasticCreation of black holesProduction of natural gasProduction of insulin30sSTEM_BIO11/12-IIIa-b-7
- Q5How does recombinant DNA technology contribute to the field of agriculture?Development of genetically modified cropsIntroduction of new pestsImprovement in irrigation systemsSoil erosion control30sSTEM_BIO11/12-IIIa-b-7
- Q6Which of these is an application of recombinant DNA in the medical field?Creating superhuman abilitiesIncreasing human heightProduction of vaccinesEnhancing eyesight to see through walls30sSTEM_BIO11/12-IIIa-b-7
- Q7What is the estimated age of the Earth?45 million years old4.5 billion years old450 million years old4.5 million years old30sSTEM_BIO11/12-IIIc-g-8
- Q8Which period in the geologic time scale is known as the 'Age of Mammals'?Cenozoic EraMesozoic EraProterozoic EonPaleozoic Era30sSTEM_BIO11/12-IIIc-g-8
- Q9During which geologic time period did the first life forms appear on Earth?Proterozoic EonCambrian PeriodArchean EonNeogene Period30sSTEM_BIO11/12-IIIc-g-8
- Q10Which of the following is NOT a mechanism that produces change in populations from generation to generation?MitosisArtificial selectionGenetic driftNatural selection30sSTEM_BIO11/12-IIIc-g-9
- Q11What is the process by which traits that improve an organism's chances of survival and reproduction are passed on more frequently to future generations than those that do not?Genetic driftMutationNatural selectionArtificial selection30sSTEM_BIO11/12-IIIc-g-9
- Q12In biology, what is the term for changes in the genetic composition of a population caused by chance or random events?Genetic driftMutationNatural selectionArtificial selection30sSTEM_BIO11/12-IIIc-g-9
- Q13Which of the following best describes the concept of descent with modification in evolutionary biology?It is the process by which species undergo changes over time, leading to diverse forms of life from common ancestors.It is the process where all living organisms descended from the same ancestor without any changes.It is the process where species stay the same over time to maintain their original characteristics.It is the process where an organism randomly decides to modify its physical characteristics.30sSTEM_BIO11/12-IIIc-g-10
- Q14Which of the following processes plays a major role in descent with modification?Natural selectionCross-pollinationSelective breedingArtificial insemination30sSTEM_BIO11/12-IIIc-g-10
- Q15What is the end result of the process of descent with modification over successive generations?Immediate change in organism's physical characteristicsNo change in species over timeOccurrence of new speciesDecrease in species diversity30sSTEM_BIO11/12-IIIc-g-10