This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 43 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the eon, era, period, and epoch we are living in? A) Phanerozoic, quaternary, holocene, and cenozoic. B) Phanerozoic, cenozoic, quaternary, and holocene. C) Quaternary, cenozoic, holocene, and phanerozoic. D) Quaternary, cenozoic, phanerozoic, and holocene. Show Answer Correct Answer: B) Phanerozoic, cenozoic, quaternary, and holocene. 2. In a population of beetles, a mutation causes some beetles to be green instead of brown. If birds prefer to eat brown beetles, what is likely to happen to the green beetle population over time? A) The green beetle population will decrease. B) The green beetle population will increase. C) The green beetle population will remain the same. D) The green beetle population will become extinct. Show Answer Correct Answer: B) The green beetle population will increase. 3. Large horns and antlers are a characteristic of males so they can fight for female mates A) Intersexual selection. B) Intrasexual selection. C) Sexual dimorphism. D) Directional selection. Show Answer Correct Answer: B) Intrasexual selection. 4. We use this to track whether a gene was "transformed" and used in an organism. A) Glow tag. B) Homologs. C) Switches. D) Proteins. Show Answer Correct Answer: A) Glow tag. 5. WHAT DOES DARWIN'S THEORY SAY? A) THE ANIMAL CHANGES ON THE DIFFERENT GENERATIONS AS A RESULT OF THE ACTIONS OF THE PARENTS TO SURVIVE. B) THE CHANGES ON THE ANIMALS ARE THE RESULT OF THE NATURAL SELECTION. C) All the above. D) None of the above. Show Answer Correct Answer: B) THE CHANGES ON THE ANIMALS ARE THE RESULT OF THE NATURAL SELECTION. 6. If two organisms share a common ancestor they are known to be A) Homologous. B) Analogous. C) All the above. D) None of the above. Show Answer Correct Answer: A) Homologous. 7. An ecologist observes a population of snakes on an island for a month every year. After the eleventh month, he sees the snake population has been decimated, and decides to wait for the snakes to repopulate before coming back for further observation. When he returns five years later, he finds a very homogenous-looking population of snakes. What is the name of the effect he observed? A) Genetic Drift. B) Founder Effect. C) Disaster effect. D) Bottleneck effect. Show Answer Correct Answer: D) Bottleneck effect. 8. Studying fossils helps helps us to see how things were ..... A) Created over time. B) Formed over time. C) Evolved over time. D) None of the above. Show Answer Correct Answer: C) Evolved over time. 9. ..... :A fossil that shows an intermediate state between an ancestral form and its modern descendants A) Transitional Features. B) Ancestral Features. C) Homologous structures. D) Analogous structures. Show Answer Correct Answer: A) Transitional Features. 10. What is the study of the similarities and differences in unborn fetuses, or developing organisms? A) Paleoclimatology. B) Comparative embryology. C) All the above. D) None of the above. Show Answer Correct Answer: B) Comparative embryology. 11. The theory of evolution states that A) Species change over time, sometimes developing into new species. B) Species that are extinct have no biological relationship to living species. C) The environment of Earth is constant over time. D) Different animal species always interbreed to form new and different species. Show Answer Correct Answer: A) Species change over time, sometimes developing into new species. 12. Which of the following best describes the founder effect? A) A small group of individuals colonizing a new area. B) The extinction of a species. C) The merging of two populations. D) The stabilization of a population's genetic makeup. Show Answer Correct Answer: A) A small group of individuals colonizing a new area. 13. Numerous fishes, other sea life; many plants, first trees; wingless insects appeared when? A) Ordovician. B) Devonian. C) SIlurian. D) Cretaceous. Show Answer Correct Answer: B) Devonian. 14. A scientific theory that explains the process of evolution A) Mass extinction. B) Vestigal structures. C) Punctuated equilibrium. D) Natural selection. Show Answer Correct Answer: D) Natural selection. 15. Natural selection is the process that passes down ..... traits. A) Same. B) Old. C) Useless. D) Favorable. Show Answer Correct Answer: D) Favorable. 16. Speciation can only occur when either interbreeding OR the production of fertile offspring is somehow prevented. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. What type of variation in finches is passed to their descendants? A) Behaviors that are chosen during a finch's lifetime. B) Only characteristics that are beneficial during a finch's lifetime. C) Characteristics that are genetically determined. D) Characteristics that are positively influenced by the environment during a finch's lifetime. Show Answer Correct Answer: C) Characteristics that are genetically determined. 18. Over time, adaptions can lead populations to experience A) Environmental changes. B) Genetic changes. C) Geological changes. D) Extinction. Show Answer Correct Answer: B) Genetic changes. 19. A characteristic, a behavior, or any inherited trait that makes species able to survive and reproduce in a particular environment. A) Adaptation. B) Adoption. C) Adderall. D) Addition. Show Answer Correct Answer: A) Adaptation. 20. Biological evolution is a A) Myth. B) Theory. C) Law. D) Fact. Show Answer Correct Answer: B) Theory. 21. Evolution can be described as A) Balance in the body. B) Every member of a species dying. C) Change over time. D) Using sunlight to make food. Show Answer Correct Answer: C) Change over time. 22. What kind of Archaea would you find in places such as volcanoes and hot vents on the ocean floor? A) Thermophiles. B) Halophiles. C) Cyanobacteria. D) Plasmophiles. E) Volcanophiles. Show Answer Correct Answer: A) Thermophiles. 23. Change over time A) Natural Selection. B) Selective Breeding. C) Homeostasis. D) Evolution. Show Answer Correct Answer: D) Evolution. 24. In a comparison of birds and mammals, the condition of having four limbs is A) A shared ancestral character. B) A shared derived character. C) A character useful for distinguishing birds from mammals. D) An example of analogy rather than homology. Show Answer Correct Answer: A) A shared ancestral character. 25. An Analogous structure is described as body parts that have a similar function but a similar structure. Which of the following is an example of an analogous structure A) Bird Wing and Human arm. B) Human wing and Whale Flipper. C) Bird wing and butterfly wing. D) Human arm and butterfly wing. Show Answer Correct Answer: C) Bird wing and butterfly wing. ← 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