1. Leaving Certificate Biology Evolution & Variation iQuiz SECOND Press the F5 Key to Begin, Then click on this Blue Box FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on  Enable this content

2. What term is given to the genetic makeup of an individual or the genes that they inherit? Genotype PhenotypeGene pool Genetic code

3. A spontaneous change in the sequence of nitrogenous bases in a gene or a chromosome is called … Genotype Test crossMutation Phenotype

4. A feature that an organism or species possesses, develops or evolves that suits/adjusts the organism to its environment to increase it’s chances of survival and reduce competition is … EvolutionAn adaptation Natural selectionA vestigial form

5. How modern plants and animals have gradually developed from pre-existing forms over long periods of time is also known as … Natural selectionEvolution AdaptationMutations

6. The ability to cycle a bicycle is an example of … A spontaneous generation A gene expression An inherited variation An acquired variation

7. Which of the following describes characters of organisms that have seemingly lost most or all of their function in a species through evolution? PentadactylVestigiality HomologousAdaptive radiation

8. The term used to describe the same structure found on different organisms, originating from a common ancestor, but with different functions is … Vestigial structure Adaptive radiation Homologous structure Pentadactyl limb

9. The way nature selects organisms with advantageous genes which allow them to adapt to the environment, and pass them on to successive generations is known as … AdaptationNatural selection EvolutionMutations

10. What term is given to the five- fingered appendage found in nearly all terrestrial vertebrates? Pentadactyl limb Forelimb HindlimbNone of these

11. Which of the following is not an inheritable blood disorder? Diabetes mellitusHaemophilia Cystic fibrosisSickle cell anaemia

12. Which of the following is a result of natural selection? Inherited variations Speciation Spontaneous mutations Over-breeding

13. Which of the following is not an area of study in support of evolution? Palaeontology Comparative anatomy EmbryologyTaxonomy

14. In addition to Darwin, another scientist associated with theories of evolution is … MendelWallace JennerBenedict

15. Homologous chromosomes which are similar in both the sexes are referred to as … Sex chromosomesHomozygous AutosomesHeterozygous

16. Which of the following is not an example of a vestigial organ or structure? Muscle of the human ear Penguin’s wing Human appendix Coccyx of the human skeleton

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