This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 42 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 42 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Represents the incidence of a gene variant in a population A) Gene pool. B) Allele frequency. C) Alleles. D) Cladogram. Show Answer Correct Answer: B) Allele frequency. 2. The study of the evolutionary relationships among organisms is called ..... A) Taxonomy. B) Domainology. C) Phylogeny. D) Binomial nomenclature. Show Answer Correct Answer: C) Phylogeny. 3. In a book he argued that gradual geological processes have gradually shaped Earth's surface. A) Thomas Malthus. B) Charles Lyell. C) All the above. D) None of the above. Show Answer Correct Answer: B) Charles Lyell. 4. It is hypothesized that eukaryotic features evolved from prokaryotic cells when smaller prokaryotic cells, the precursors of mitochondria and plastids, began living within larger cells. This model is referred to as: A) Endosymbiosis. B) Adaptive radiation. C) Metabolism. D) Deep time. Show Answer Correct Answer: A) Endosymbiosis. 5. Which of these are the ingredients NEEDED for life to form? A) Organic macromolecules. B) Atoms. C) Methane. D) Inorganic molecules. Show Answer Correct Answer: A) Organic macromolecules. 6. Which type of adaptation involves actions that help survival? A) Structural. B) Behavioral. C) Physiological. D) None of the above. Show Answer Correct Answer: B) Behavioral. 7. What is the role of reproductive isolation in evolution? A) It prevents species from splitting. B) It leads to genetic drift. C) It contributes to speciation. D) It causes homologous structures. Show Answer Correct Answer: C) It contributes to speciation. 8. Natural selection can also be referred to as: A) Survival of the weakest. B) Survival. C) Survival of the fittest. D) Artificial selection. Show Answer Correct Answer: C) Survival of the fittest. 9. A species of frog has inhabited the tropical rain forest of South America for the past one million years. Which two factors would tend to disrupt the gene pool stability of this frog population? A) Low mutation rate and random mating. B) High mutation rate and numerous migrations. C) Low mutation rate and no migrations. D) Large population random mating. Show Answer Correct Answer: B) High mutation rate and numerous migrations. 10. Which is an example of temporal isolation? A) Flowers that bloom in different months. B) Birds that have different mating calls. C) Fruit flies that mate in different locations. D) Squirrels that have different fur colors. Show Answer Correct Answer: A) Flowers that bloom in different months. 11. Video Click HereWhat evidence did Jack Horner find in 1978 that helped link dinosaurs to birds? A) Dinosaurs used nests with eggs and cared for the young. B) Dinosaurs had strong bones. C) Dinosaurs ate many insects and plants. D) Dinosaurs have wishbones. Show Answer Correct Answer: A) Dinosaurs used nests with eggs and cared for the young. 12. The Tasmanian devil is a marsupial that resembles the North America wolf, which is a placental mammal. A) Adaptive radiation. B) Divergent evolution. C) Founder effect. D) Convergent evolution. Show Answer Correct Answer: D) Convergent evolution. 13. A founding population of lizards arrives on an island. Which type of isolation would MOST LIKELY result in this population becoming a new species? A) Temporal. B) Geographical. C) Anatomical. D) Behavioral. Show Answer Correct Answer: B) Geographical. 14. What are trace fossils? A) A fossil copy of an organism in a rock. B) Is the preserved evidence of the activity of an organism. C) The impression of an organism. D) Is made up of all the fossils ever discovered on Earth. Show Answer Correct Answer: B) Is the preserved evidence of the activity of an organism. 15. Why is Earth's atmosphere important? A) It is beautiful. B) It prevents pollution from happening. C) Life on Mars could not exist without it. D) Life on Earth could not exist without it. Show Answer Correct Answer: D) Life on Earth could not exist without it. 16. Which kind of a structure is it? A whale's pelvis A) Homologous. B) Analogous. C) Vestigial. D) Pharygeal Pouch. Show Answer Correct Answer: C) Vestigial. 17. If humans and penguins share similarities in an enzyme this could be an example of: A) Biochemical/molecular evidence. B) Embryological evidence. C) Anatomical Evidence. D) None of the above. Show Answer Correct Answer: A) Biochemical/molecular evidence. 18. A number of different species arise from one common ancestor-New environments caused differences to evolve in populations A) Convergent Evolution. B) Divergent Evolution. C) Coevolution. D) Gradualism. Show Answer Correct Answer: B) Divergent Evolution. 19. In a population of 1000 people, 90 have blue eyes. What percent of the population is hybrid brown eyes? A) 3. B) 9. C) 21. D) 42. Show Answer Correct Answer: D) 42. 20. Constant and predictable A) RADIUM-STRINTIUM DATING. B) URANIUM-LEAD DATING. C) Decay Rate. D) Samarium-Neodymium Dating. Show Answer Correct Answer: C) Decay Rate. 21. ..... is the number of times that an allele occurs in a gene pool compared with the number of alleles in that pool for the same gene A) Homologous Structure. B) Analogous Structure. C) Vestigial Structure. D) Speciation. E) Allele Frequency. Show Answer Correct Answer: E) Allele Frequency. 22. Physical structures that were fully developed and functional in an earlier group of organisms but are reduced and unused in later species A) Mutation. B) Disease organ. C) Vestigial organ. D) None of the above. Show Answer Correct Answer: C) Vestigial organ. 23. An inherited characteristic that increases an organisms ability to survive and reproduce in its specific environment is called a(n) A) Vestigial structure. B) Speciation. C) Analogous structure. D) Adaptation. Show Answer Correct Answer: D) Adaptation. 24. What animal is Darwin known for studying? A) Dinosaurs. B) Tunicates. C) Finches. D) Horses. Show Answer Correct Answer: C) Finches. 25. Modern theory of Evolution is also called as A) Neo-Darwinism. B) Lamarckism. C) Darwinism. D) Pangenesis. Show Answer Correct Answer: A) Neo-Darwinism. ← 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