This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 55 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 55 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which evidence for evolution do the common features in the bone structure of vertebrate limbs provide? A) Adaptive radiation. B) Divergent radiation. C) Convergent evolution. D) Discontinuous variation. Show Answer Correct Answer: A) Adaptive radiation. 2. Homologous structures are body parts of different organisms that have similar ..... but not necessarily a similar ..... A) Function; Structure. B) Purpose; Look. C) Bones; Structure. D) Structure; Function. Show Answer Correct Answer: D) Structure; Function. 3. ..... and ..... are organelles that arose from endosymbiosis A) Nucleus and cell membrane. B) Mitochondria and chloroplasts. C) Cell wall and chloroplasts. D) Mitochondria and nucleus. Show Answer Correct Answer: B) Mitochondria and chloroplasts. 4. If I wanted to look at DNA to study evolution, I am using what evidence? A) Comparative anatomy. B) Embryology. C) Fossil record. D) Molecular. Show Answer Correct Answer: D) Molecular. 5. An organisms with the "best" traits (adaptations) will live longer andreproduce more than others, causing changes in the population over time by acting on traits that are heritable A) Evolution. B) Natural Selection. C) Fitness. D) Variation. Show Answer Correct Answer: B) Natural Selection. 6. The accumulation of heritable changes experienced by organisms and populations to adapt to variations in the environment and survive is known as: A) None of the above. B) Speciation. C) Biodiversity. D) Adaptation. Show Answer Correct Answer: D) Adaptation. 7. Which of the following can occur when a population is geographically isolated from another population? A) Replication. B) Speciation. C) Convergence. D) Mimicry. Show Answer Correct Answer: B) Speciation. 8. Match each kingdom with it's domain.plantae A) Eukarya. B) Archaea. C) Bacteria. D) None of the above. Show Answer Correct Answer: A) Eukarya. 9. Gene flow occurs ..... A) When natural forces act on existing variation. B) When two populations mix, but do not mate. C) When new individuals are added to a population. D) When a population is split. Show Answer Correct Answer: C) When new individuals are added to a population. 10. What are a group of organisms that are the SAME species living in the SAME area and interact with one another? A) Species. B) Population. C) All the above. D) None of the above. Show Answer Correct Answer: B) Population. 11. The genetic codes of different species share a lot of similarities for a protein. This is ..... A) Geographical evidence of evolution. B) Anatomical evidence of evolution. C) Molecular evidence of evolution. D) Fossil evidence of evolution. Show Answer Correct Answer: C) Molecular evidence of evolution. 12. Darwin referred to this as survival of the fittest. Over time, it results in changes in the inherited characteristics of a population because organisms with adaptations that make them fit for their environment will survive and reproduce better than those without favorable traits. A) Natural Selection. B) Genetic Variation. C) Homologous Structures. D) Struggle for Existence. Show Answer Correct Answer: A) Natural Selection. 13. The study of where organisms live now and where their ancestors have lived in the past is called A) Geology. B) Biology. C) Biogeography. D) Astrology. Show Answer Correct Answer: C) Biogeography. 14. Which of the following best describes the term 'speciation'? A) The formation of new and distinct species in the course of evolution. B) The extinction of a species. C) The migration of species from one habitat to another. D) The adaptation of species to their environment. Show Answer Correct Answer: A) The formation of new and distinct species in the course of evolution. 15. He was one of the first scientists to propose that species change over time but was wrong about how species change A) Charles Darwin. B) Jean Baptiste Lamarck. C) All the above. D) None of the above. Show Answer Correct Answer: B) Jean Baptiste Lamarck. 16. Biochemical (Molecular) Evidence A) Evidence for evolution found in the similarities in DNA sequences and biochemical compounds across different species. B) Evidence based on fossil records and geological layers. C) Evidence derived from the study of animal behavior and adaptation. D) Evidence obtained from the observation of physical traits in organisms. Show Answer Correct Answer: A) Evidence for evolution found in the similarities in DNA sequences and biochemical compounds across different species. 17. What type of evidence of evolution occurs when small changes in organisms tend to fluctuate back and forth? A) Microevolution. B) DNA evidence. C) Anatomy and physiology. D) None of the above. Show Answer Correct Answer: A) Microevolution. 18. Reproduction happens with A) Asexual individuals. B) Sexual individuals. C) Both. D) None of the above. Show Answer Correct Answer: C) Both. 19. Which sentence best describes vestigial structures? A) They are necessary for an organism's survival. B) They may have had an important function in the past. C) They contain genetic mutations. D) All animals have them. Show Answer Correct Answer: B) They may have had an important function in the past. 20. Which one of these is an example of artificial selection? A) Size of finches beaks. B) Length of tortoises's neck. C) Polar bear's fur color. D) Dog breeding. Show Answer Correct Answer: D) Dog breeding. 21. A classification system A) Groups animals according to the way they move. B) Consists of only one species of organism. C) Groups living things according to similar characteristics. D) None of the above. Show Answer Correct Answer: C) Groups living things according to similar characteristics. 22. What happened when the trees turned dark color? A) Moths that were light color survived and reproduced successfully. B) Moths that were dark color survived and reproduced successfully. C) Moths that were light color turned dark color to hide. D) Moths went extinct because they were all light color and got eaten. Show Answer Correct Answer: B) Moths that were dark color survived and reproduced successfully. 23. Artificial selection in animals often focuses on (a) A) Increasing wild population numbers. B) A. Developing specific physical traits. C) Enhancing natural hunting skills. D) Promoting natural habitat adaptatio. Show Answer Correct Answer: B) A. Developing specific physical traits. 24. We are descendants of our ..... A) Ancestors. B) Avengers. C) All the above. D) None of the above. Show Answer Correct Answer: A) Ancestors. 25. By which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits by choosing which typically animal or plant males and females will sexually reproduce and have offspring together. A) Natural Selection. B) Artificial selection. C) Biogeography. D) Homologous structure. Show Answer Correct Answer: B) Artificial 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