This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The method of naming organisms by using two names is known as A) Binomial nomenclature. B) Dinomial menoclature. C) Dichotomous naming. D) The scientific method. Show Answer Correct Answer: A) Binomial nomenclature. 2. Shifts average phenotypes against the intermediate phenotype and favors both extremes. A) Directional. B) Stabilizing. C) Disruptive. D) None of the above. Show Answer Correct Answer: C) Disruptive. 3. Structures that are superficially similar between organisms but arose by different evolutionary pathways (ex:bird wing and bat wing). A) Homologous Structure. B) Analogous Structure. C) Vestigial Structure. D) Archaic Structure. Show Answer Correct Answer: B) Analogous Structure. 4. An error in DNA copying that results in a new trait A) Homeostasis. B) Mutation. C) Natural Selection. D) Selective Breeding. Show Answer Correct Answer: B) Mutation. 5. What is the BEST way to determine whether two species are related? A) DNA. B) Fossils. C) Homologous Structures. D) Analogous Structures. Show Answer Correct Answer: A) DNA. 6. What happens when environment changes faster than adaptation? A) Animal migrates or becomes extinct. B) Animal mutates. C) Animal mates with animal with better characteristics. D) None of the above. Show Answer Correct Answer: A) Animal migrates or becomes extinct. 7. Which of the following can be a cause of the extinction of a species? A) Land degradation. B) Disease. C) Environmental change. D) All of these. Show Answer Correct Answer: D) All of these. 8. This is an ecological relationship in which two or more organisms depend on the same limited resource. A) Adaptation. B) Competition. C) Evolution. D) Natural selection. Show Answer Correct Answer: B) Competition. 9. Imprints or remains of once living organisms are called ..... A) Evolution. B) Vestigial Structures. C) Homologous Structures. D) Fossils. Show Answer Correct Answer: D) Fossils. 10. Which best describes the role of mutations in natural selection? A) Mutations help an organism to better survive in their environment. B) An organism may acquire a helpful mutation by interacting with the environment. C) A mutation may result in an adaptive trait that makes an organism more likely to survive and reproduce. D) Organisms with certain traits are more likely to win competitions for mutations. Show Answer Correct Answer: C) A mutation may result in an adaptive trait that makes an organism more likely to survive and reproduce. 11. Genetic Drift is more likely to happen in ..... A) Aquatic populations. B) Small populations. C) Terrestrial populations. D) Older populations. Show Answer Correct Answer: B) Small populations. 12. Evolution is driven by ..... A) Mutations. B) Genetric Drift. C) Migration/ Gene Flow. D) All options. Show Answer Correct Answer: D) All options. 13. Which type of evidence for evolution involves comparing the amino acid sequences of proteins across different species? A) Fossil records. B) Biogeography. C) Comparative biochemistry. D) Comparative anatomy. Show Answer Correct Answer: C) Comparative biochemistry. 14. How does the fossil record provide evidence for evolution? A) It shows that all species have remained unchanged over time. B) It demonstrates the gradual change in species over long periods. C) It indicates that species appear suddenly without any ancestors. D) It proves that all species were created at the same time. Show Answer Correct Answer: B) It demonstrates the gradual change in species over long periods. 15. Which of the following best describes the tiny legs whales have? A) Structures that grow and improve in function as they are used. B) Structures that function at certain times of the year. C) Structures that will become adaptations when the environment changes. D) Structures that have lost all or most of their function over time. Show Answer Correct Answer: D) Structures that have lost all or most of their function over time. 16. According to the fossil record, when did episodes of rapid speciation commonly take place? A) While Earth's continents were joined. B) While Earth's habitats were stable. C) Before major climatic changes. D) Following mass extinctions. Show Answer Correct Answer: D) Following mass extinctions. 17. A special version of the Allopatric speciation is ..... A) Peripatric speciation. B) Parapatric speciation. C) Sympatric speciation. D) All of the above. Show Answer Correct Answer: A) Peripatric speciation. 18. Which mechanism of change occurred in this given scenario:A certain species of hippos were hunted by humans, down to a population size of 20, resulting in less genetic variation. A) Mutation. B) Gene Flow. C) Genetic Drift. D) Natural Selection. Show Answer Correct Answer: C) Genetic Drift. 19. What was the main ingredients that caused heat energy to be trapped, creating a greenhouse effect, in the ealry atmosphere? A) Water and carbon dioxide. B) Oxygen. C) Carbon dioxide and oxygen. D) Nitrogen and carbon dioxide. Show Answer Correct Answer: A) Water and carbon dioxide. 20. The science that specializes in naming and classifying organisms is ..... A) Anatomy. B) Biology. C) Botany. D) Taxonomy. Show Answer Correct Answer: D) Taxonomy. 21. Trilobite fossils from different time periods show small changes in appearance. What might account for the changes? A) Catastrophic geologic events. B) Weathering and erosion. C) Increase in greenhouse gases. D) Response to environmental changes. Show Answer Correct Answer: D) Response to environmental changes. 22. Which of the following did NOT influence Darwin's ideas about natural selection? A) Ideas about geological change. B) Ideas about genetics. C) Ideas on population growth and competition. D) Ideas about common ancestry. Show Answer Correct Answer: B) Ideas about genetics. 23. 1)The prebiotic earth in the beginning was ..... A) Marshy. B) Rocky. C) Sandy. D) Gaseous. Show Answer Correct Answer: D) Gaseous. 24. What is a true statement about evolution? A) Individuals and populations evolve. B) Individuals evolve, populations don't. C) Populations evolve, individuals don't. D) None of the above. Show Answer Correct Answer: C) Populations evolve, individuals don't. 25. If finches with large beaks and finches with small beaks increase in a population while finches with average sized beaks decreases, which pattern of natural selection has occurred? A) Directional selection. B) Disruptive selection. C) Stabilizing selection. D) Sexual Selection. Show Answer Correct Answer: B) Disruptive selection. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 7 Evolution Quiz 1Class 12 Biology Chapter 7 Evolution Quiz 2Class 12 Biology Chapter 7 Evolution Quiz 3Class 12 Biology Chapter 7 Evolution Quiz 4Class 12 Biology Chapter 7 Evolution Quiz 5Class 12 Biology Chapter 7 Evolution Quiz 6Class 12 Biology Chapter 7 Evolution Quiz 7Class 12 Biology Chapter 7 Evolution Quiz 8Class 12 Biology Chapter 7 Evolution Quiz 9Class 12 Biology Chapter 7 Evolution Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books