This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 62 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 62 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which aspect of the nature of science is exemplified by drawing scientific conclusions based on empirical evidence and logical reasoning? A) Theories are unchangeable. B) Science is based on faith. C) Science is based on evidence. D) Scientists always agree on interpretations. Show Answer Correct Answer: C) Science is based on evidence. 2. In science, grouping objects or organisms to similar characteristics is called A) Characterizing. B) Classifying. C) Ordering. D) Clustering. Show Answer Correct Answer: B) Classifying. 3. Which of the following taxa have existed on Earth for the longest period of time? A) Single-celled organisms. B) Multicellular organisms. C) Reptiles. D) Mammals. Show Answer Correct Answer: A) Single-celled organisms. 4. Scientists believe that the polar bear in Alaska and the brown bear in Russia evolved from a common ancestor. Which would be responsible for this evolutionary change? A) Artificial selection. B) Asexual reproduction. C) Sexual competition. D) Geographic isolation. Show Answer Correct Answer: D) Geographic isolation. 5. This scientist believed in natural selection but was not given the recognition A) Charles Darwin. B) Alfred Wallace. C) Jean Baptiste. D) Sidney Fox. Show Answer Correct Answer: B) Alfred Wallace. 6. The example of an overcrowded city led to Darwin's idea that ..... A) You have to be physically fit to fight for food. B) Organisms adapt to their environment. C) Organisms compete to survive. D) Heritable traits help organisms survive. Show Answer Correct Answer: C) Organisms compete to survive. 7. Which statement supports the theory of natural selection A) All organisms produce more offspring than can survive. B) Organisms live in harmony with one another despite limited resources. C) Organisms with favorable traits are more likely to die. D) Over time advantageous traits will be found in more of the population. Show Answer Correct Answer: D) Over time advantageous traits will be found in more of the population. 8. What is the difference between artificial selection and natural selection? A) In artificial selection humans do the selection of the trait they want. B) In artificial selection, the elected traits are always better than the wild traits. C) In natural selection of cows, nature always prefers traits of those make more milk. D) In natural selection if the giraffe has longer neck, she's most likely surviving any environmental change. Show Answer Correct Answer: A) In artificial selection humans do the selection of the trait they want. 9. These structures are similar from common ancestry A) Homologous. B) Analogous. C) Vestigial. D) Homozygous. Show Answer Correct Answer: A) Homologous. 10. Which of the following is necessary in order for speciation to occur? A) A large number of mutations accumulating within a population. B) Reproductive isolation of populations of organisms. C) A reduction in the number of individuals in a population. D) Geographic isolation of populations of organisms. Show Answer Correct Answer: B) Reproductive isolation of populations of organisms. 11. How does embryology support the Theory of Evolution? A) It shows that they have a common ancestor because of their similarities. B) I'm not sure. C) Animals change over time. D) None of the above. Show Answer Correct Answer: A) It shows that they have a common ancestor because of their similarities. 12. What does it mean when organisms share a common ancestor? A) They evolved from 1 species that was much simpler. B) They are the same species. C) The organisms have all of the same traits. D) The organisms arent related at all. Show Answer Correct Answer: A) They evolved from 1 species that was much simpler. 13. The gene pool of a species A) Remains constant over time. B) Continually loses alleles. C) Is identical to that of many other species. D) Is changed by evolutionary forces. Show Answer Correct Answer: D) Is changed by evolutionary forces. 14. A certain type of plant can produce blue or yellow flowers. During a fire, many yellow flowers are destroyed and now since blue is the dominant trait, the plant reproduces offspring that produce only blue flowers. A) Non-Random Mating. B) Gene Flow. C) Mutation. D) Genetic Drift. Show Answer Correct Answer: D) Genetic Drift. 15. Dark colored moths living on light colored trees have ..... A) High fitness. B) Low fitness. C) More resources. D) Good luck. Show Answer Correct Answer: B) Low fitness. 16. The term subspecies was used by ..... A) Darwin. B) Linnaeus. C) Lotsy. D) Mayr. Show Answer Correct Answer: B) Linnaeus. 17. Which of the following questions can best be answered with a scientific experiment? A) Which doctor did Addie like the most at her hospital?. B) Which type of music does Addie like the most?. C) Which medicine had the greatest affect on the bacteria infection?. D) What type of bacteria existed in the past that is still around now?. Show Answer Correct Answer: C) Which medicine had the greatest affect on the bacteria infection?. 18. In biology, NATURAL SELECTION is A) Organisms that are stronger will hunt and eat other animals. B) Organisms with more primitive adaptations tend to survive. C) When you select a new pet, like a cat or dog. D) Organisms with better adaptations to their environment tend to survive and produce more offspring. Show Answer Correct Answer: D) Organisms with better adaptations to their environment tend to survive and produce more offspring. 19. What does fitness determine? A) How fit an animal is. B) The ability to produce more offspring and to reproduce. C) The ability to hunt best. D) The ability to be an apex predator in an organisms given area. Show Answer Correct Answer: B) The ability to produce more offspring and to reproduce. 20. Darwin knew that food is a limiting resource, so members of a species that live in the same area ..... for food. A) Surrender. B) Retreat. C) Compete. D) Give up. Show Answer Correct Answer: C) Compete. 21. The prebiotic earth in the beginning was ..... A) Marshy. B) Rocky. C) Sandy. D) Gaseous. Show Answer Correct Answer: D) Gaseous. 22. When would convergent evolution occur? A) When organisms share a common ancestor. B) When organisms live in similar environments. C) When organisms become increasingly different. D) When organisms experience a change in their environment. Show Answer Correct Answer: B) When organisms live in similar environments. 23. Which of the following is the best example of natural selection? A) The lifespan of a chimpanzee is extended to 60 years in captivity. B) The population size of giraffes changes over time as a result of immigration. C) A populations of bunnies select for brown fur when winter is approaching. D) Ants develop poisonous chemicals in response to high predation. Show Answer Correct Answer: D) Ants develop poisonous chemicals in response to high predation. 24. Evolution is only a theory. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 25. What evidence supports the theory of evolution by common descent? A) The presence of vestigial structures in organisms. B) The occurrence of genetic drift in small populations. C) The existence of analogous structures in different species. D) The process of artificial selection in agriculture. Show Answer Correct Answer: A) The presence of vestigial structures in organisms. ← 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