This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 58 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 58 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Differences in DNA. A) Speciation. B) Molecular Evidence. C) Variation. D) Embryology. Show Answer Correct Answer: C) Variation. 2. A table showing the sequence of geological periods in the history of earth is called ..... A) Periodic table. B) Geologic Time Scale. C) Timetable. D) Geological Period. Show Answer Correct Answer: B) Geologic Time Scale. 3. What was the Pangaea known as? A) The super continent. B) Plate tectonics. C) All the above. D) None of the above. Show Answer Correct Answer: A) The super continent. 4. In the context of evolution, what is natural selection? A) The process by which organisms with favorable traits survive and reproduce. B) The random change in allele frequencies in a population. C) The movement of individuals between populations. D) The formation of new species from existing ones. Show Answer Correct Answer: A) The process by which organisms with favorable traits survive and reproduce. 5. Shark fins and dolphin fins are examples of analogous structures. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. The mechanism that is believed to cause evolution. Also known as survival of the fittest. A) Genetic Drift. B) Natural Selection. C) Population Bottleneck. D) Acquired Traits. Show Answer Correct Answer: B) Natural Selection. 7. What is the significance of vestigial structures in the study of evolution? A) They indicate a common ancestry and provide evidence for evolutionary change over time. B) They are fully functional structures that have evolved recently. C) They are structures that have no evolutionary significance. D) They are structures that are unique to a single species. Show Answer Correct Answer: A) They indicate a common ancestry and provide evidence for evolutionary change over time. 8. Which of the following is not a correct condition for Hardy-Weinburg equilibrium to be met: A) No mutations. B) Selective mating. C) No natural selection. D) Selective mating. Show Answer Correct Answer: B) Selective mating. 9. In the early 2000s, White Nose fungus caused a mass die-off of native American bat species. Those bats that survived will continue the population with their own allele frequencies. What type of genetic drift is this? A) Founder Effect. B) Bottlenose Effect. C) Bottleneck Effect. D) Migration Effect. Show Answer Correct Answer: C) Bottleneck Effect. 10. Who survives according to the theory of evolution A) The first born offspring. B) The largest offspring. C) The offspring best adapted to the environment. D) The offspring best equipped for movement. Show Answer Correct Answer: C) The offspring best adapted to the environment. 11. How do scientists know about the history of extinction? A) By studying fossils. B) By studying weather patterns. C) By estimating. D) None of the above. Show Answer Correct Answer: A) By studying fossils. 12. Today ..... Million numbers of species are alive A) 10. B) 20. C) 30. D) 40. Show Answer Correct Answer: C) 30. 13. Which of the following provides evidence of common ancestry among groups? A) Fossil record. B) Biogeography. C) Homologies. D) All of the above. Show Answer Correct Answer: D) All of the above. 14. All of the following should be used to construct evolutionary trees EXCEPT A) DNA sequencing comparison. B) Morphological similarities and differences. C) Physical relationsips. D) Fossil records. Show Answer Correct Answer: C) Physical relationsips. 15. Which of the following is an example of artificial selection? A) Bald Eagles are hunted until near extinction, population recovers. B) Small group of iguanas floats to an island, starts a new population. C) Red fox pups are more likely to survive in a snowy environment if they are born white. D) Farmer chooses seeds from largest apples to plant next year. This results in larger apples from year to year. Show Answer Correct Answer: D) Farmer chooses seeds from largest apples to plant next year. This results in larger apples from year to year. 16. Over long periods of time, some taxa have become extinct, while new taxa have evolved. These changes together are known as A) Adaptation. B) Macroevolution. C) Taxonomy. D) Artificial selection. Show Answer Correct Answer: B) Macroevolution. 17. The idea that Earth's early oceans had organic molecules that became the first life is called the ..... A) Primordial soup hypothesis. B) Bubble hypothesis. C) Miller-Urey Experiment. D) Radioactive dating theory. Show Answer Correct Answer: A) Primordial soup hypothesis. 18. ..... selection favors one extreme form of trait in a population. A) Directional. B) Stabilizing. C) Disruptive. D) Natural. Show Answer Correct Answer: A) Directional. 19. What is the study of the form of living things? A) Embryology. B) Paleontology. C) Morphology. D) Biogeography. Show Answer Correct Answer: C) Morphology. 20. A pond has one species of Catfish, but the water level decreases and the pond becomes two separate ponds, this will lead to ..... , because the catefish will become two different species. A) Analogous Structure. B) Fitness. C) Speciation. D) Founder Effect. E) Evolution. Show Answer Correct Answer: C) Speciation. 21. Structures that are very different in structure or anatomy but have similar functions such as the wings of a bird and a butterfly. A) Vestigial Structures. B) Homologous Structures. C) Analogous Structures. D) Cladogram. Show Answer Correct Answer: C) Analogous Structures. 22. The offspring in the second population will have greater genetic variety due to gene flow A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. Which is NOT one of the biological diversity patterns? A) Species vary globally. B) Species vary over time. C) Species vary quickly. D) Species vary locally. Show Answer Correct Answer: C) Species vary quickly. 24. Which of the following best describes the concept of adaptive radiation in evolutionary biology? A) The gradual adaptation of a species to its environment over time. B) The rapid evolution of diversely adapted species from a common ancestor. C) The process by which unrelated species evolve similar traits. D) The extinction of a species due to environmental changes. Show Answer Correct Answer: B) The rapid evolution of diversely adapted species from a common ancestor. 25. What is the term for a feature that allows an organism to survive better in its environemtn? A) Variation. B) Adaptation. C) Homologous structure. D) Vestigial structure. Show Answer Correct Answer: B) Adaptation. ← 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