This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Alex is collecting data about the length of earthworms in his backyard. The shortest worm he found is 4 inches long; the longest worm is 8 inches long. If most of the worms are either short or long, which type of distribution is displayed in the population? A) Directional. B) Disruptive. C) Stabilizing. D) Normal. Show Answer Correct Answer: B) Disruptive. 2. An organism that is made up of many cells. A) Multicellular Organism. B) Unicellular Organism. C) Fossil. D) Human Being. Show Answer Correct Answer: A) Multicellular Organism. 3. Which form of sexual selection uses exuberant displays of attractiveness to attract a female? A) Male-Male Rivalry. B) Female Choice. C) All the above. D) None of the above. Show Answer Correct Answer: B) Female Choice. 4. Which is not evidence for evolution? A) Many animals have homologous structures due to common ancestry. B) Many animals have vestigial structures from an ancestor. C) We can observe changes in life forms by observing the fossil record. D) All of these are evidence for evolution. Show Answer Correct Answer: D) All of these are evidence for evolution. 5. Which of the following in NOT part of natural selection? A) More organisms born than will survive. B) The more organisms, the more competition. C) All organisms will survive. D) The "more fitted" will survive. Show Answer Correct Answer: C) All organisms will survive. 6. Which phrase best describes evolution? A) Development of characteristics that organisms need in response to changes in environmental conditions. B) Change in populations from simple to complex organisms. C) Change in populations from complex to simpler organisms. D) Genetic change in populations that gives rise to new life forms from common ancestors. Show Answer Correct Answer: D) Genetic change in populations that gives rise to new life forms from common ancestors. 7. Divergent Evolution A) There must be no movement into or out of a population. B) There must be no natural selection. C) A number of different species split-off from a common ancestor. D) When two species living close together change in response to each other. Show Answer Correct Answer: C) A number of different species split-off from a common ancestor. 8. Yellow toucan birds seek out one another to make babies together and tend to avoid the green toucan birds. This is an example of: A) Genetic Drift. B) Non-random mating. C) Gene flow. D) Mutation. Show Answer Correct Answer: B) Non-random mating. 9. This is a result of the organism's genetic variability, ability to reproduce and natural selection. A) Natural selection. B) Evolution. C) Fertility. D) Genetics. Show Answer Correct Answer: B) Evolution. 10. Which of the following describes the barrier that inhibits breeding of two bird species due to differences in bird song? A) Behavioral isolation. B) Ecological isolation. C) Habitat isolation. D) Mechanical isolation. Show Answer Correct Answer: A) Behavioral isolation. 11. What is the definition of competition in evolutionary biology? A) The cooperation between different species to ensure survival. B) The struggle between organisms to survive as they attempt to use the same limited resources. C) The process by which species adapt to their environment. D) The movement of organisms from one habitat to another. Show Answer Correct Answer: B) The struggle between organisms to survive as they attempt to use the same limited resources. 12. What is meant by "descent with modification" in evolutionary biology? A) The idea that new generations are identical to their ancestors. B) The concept that each generation will be exactly half as fit as the previous one. C) The principle that over the many generations, the beneficial trait will be shared by most of the population. D) The belief that all organisms are descended from a single common ancestor. Show Answer Correct Answer: C) The principle that over the many generations, the beneficial trait will be shared by most of the population. 13. A placental squirrel in North America resembles a marsupial squirrel in Australia. They are genetically and geographically separated. This is best explained by ..... A) Convergent evolution. B) Divergent evolution. C) Spontaneous generation. D) Vestigial structures. Show Answer Correct Answer: A) Convergent evolution. 14. A change in gene frequency within a population over time. A) Coevolution. B) Natural Selection. C) Species. D) Evolution. Show Answer Correct Answer: D) Evolution. 15. How organisms change across many generations A) Anatomy. B) Common ancestor. C) Food webs. D) Evolution. Show Answer Correct Answer: D) Evolution. 16. Parsimory A) Simple reason must be best reason. B) There is no reason. C) The most complicated reason is best reason. D) None of the above. Show Answer Correct Answer: A) Simple reason must be best reason. 17. How well an organism can survive and reproduce in its environment A) Fossil. B) Fitness. C) Inherited trait. D) Ecology. Show Answer Correct Answer: B) Fitness. 18. A cell with no membrane bound organelles A) Prokaryote. B) Eukaryote. C) All the above. D) None of the above. Show Answer Correct Answer: A) Prokaryote. 19. Which of the following conditions are necessary for natural selection to occur? A) Overproduction of offspring. B) Variation within a population. C) Variation of fitness among the population. D) All of the above. Show Answer Correct Answer: D) All of the above. 20. What is gene mutation? A) Favorable traits chosen. B) Alteration of DNA that could be helpful or harmful.(could cause evolution). C) Movement of genes into and out of a population. D) An elimination of a species after a change in their DNA. Show Answer Correct Answer: B) Alteration of DNA that could be helpful or harmful.(could cause evolution). 21. Study of mammals A) Anatomy. B) Zoology. C) Mammalogy. D) Physiology. Show Answer Correct Answer: C) Mammalogy. 22. Which best describes how shared characteristics can be used to identify evolutionary relationships? A) If organisms have a common ancestor, most of their characteristics will be shared. B) If two organisms have a shared characteristic, it means one evolved from the other. C) If organisms have many shared characteristics, they are likely to be closely related. D) If organisms have a shared characteristic, it means they are closely related. Show Answer Correct Answer: C) If organisms have many shared characteristics, they are likely to be closely related. 23. Time period of diverse marine life, including vertebrates; vascular plants A) Ordovician. B) Devonian. C) Permian. D) Paleogene. Show Answer Correct Answer: A) Ordovician. 24. This scientist believed that if an organism used a body part or organ enough it would become stronger A) Jean-Baptiste Lamarck. B) Charles Darwin. C) Thomas Malthus. D) Alfred Wallace. Show Answer Correct Answer: A) Jean-Baptiste Lamarck. 25. What is biological evolution? A) Is made up of all the fossils ever discovered on Earth. B) Is the preserved evidence of the activity of an organism. C) Are the remains or evidence of once-living organisms. D) Is the change over time in populations of related organisms. Show Answer Correct Answer: D) Is the change over time in populations of related 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 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 10Class 12 Biology Chapter 7 Evolution Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books