This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 59 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 59 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is an example of a vestigial organ in whales? A) Wings. B) Pelvic bone. C) Tail fin. D) Gills. Show Answer Correct Answer: B) Pelvic bone. 2. A change by which an organism or species becomes better suited to its environment. A) Evolution. B) Adaptation. C) Natural Selection. D) Coevolution. Show Answer Correct Answer: B) Adaptation. 3. The use of molecular clocks is not simple, because ..... A) There are too many genes to work with. B) Genes are hard to read because they change quick. C) There are many reasons that mutations happen in DNA. D) There is not just one molecular clock in a genome. Show Answer Correct Answer: D) There is not just one molecular clock in a genome. 4. Structures that no longer serve a purpose. A) Homologous structures. B) Gene pool. C) Population. D) Vestigial structures. Show Answer Correct Answer: D) Vestigial structures. 5. A group of organisms have a common descendent A) Natural selection. B) Speciation. C) Common ancestor. D) Extinction. Show Answer Correct Answer: C) Common ancestor. 6. Which of the following ideas proposed by Lamarck was later found to be incorrect? A) Acquired characteristics can be inherited. B) All species are descended from other species. C) Living things change over time. D) There is a relationship between an organism and its environment. Show Answer Correct Answer: A) Acquired characteristics can be inherited. 7. The arm bones in mammals (humans, bats, and whales) all have a very similar bone structure, they are said to be ..... A) Homologous Structure. B) Natural Selection. C) Vestigial Structure. D) Fossil. E) Bottle Neck effect. Show Answer Correct Answer: A) Homologous Structure. 8. Which evolutionary adaptation is associated with the manufacture of tools, considered a significant milestone in human evolution? A) Increased brain size. B) Reduction in jaw size. C) Development of language. D) Enhanced visual acuity. Show Answer Correct Answer: D) Enhanced visual acuity. 9. True or false, Evolution acts on populations not individuals A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. Approximately 99% of the information in human DNA is shared by chimpanzee DNA. This is evidence of which of the following? A) As chimpanzees evolve, they will become more similar to humans. B) Chimpanzees and humans share a common ancestor. C) Humans evolved from chimpanzees. D) All of these. Show Answer Correct Answer: B) Chimpanzees and humans share a common ancestor. 11. To determine evolutionary relationships scientist use ..... A) Fossil Record. B) DNA. C) Proteins. D) Homologous Structures. E) All. Show Answer Correct Answer: E) All. 12. Survival of the Fittest and Evolution were proposed by which scientist? A) Charles Darwin. B) Albert Einstein. C) Steven Hawking. D) Isaac Newton. Show Answer Correct Answer: A) Charles Darwin. 13. Structures that have similar features in different species that are related. A) Proteins. B) Hox genes. C) Homologous structures. D) DNA mutations. Show Answer Correct Answer: C) Homologous structures. 14. A Species is a specific type of ..... A) Animal. B) Thing. C) All the above. D) None of the above. Show Answer Correct Answer: A) Animal. 15. The availability of facts indicating whether a hypothesis is valid (true). A) Fossil. B) Evidence. C) Extinction. D) Competition. Show Answer Correct Answer: B) Evidence. 16. Are one of the most diverse and ancient groups of vertebrates, with a fossil record that dates back more than 500 million years. A) Mammals. B) Deuterostomes. C) Amniotes. D) Fish. Show Answer Correct Answer: D) Fish. 17. The shift in the population of peppered moths after the Industrial Revolution resulted in: A) More light moths, fewer dark ones. B) More dark moths, fewer light ones. C) All the above. D) None of the above. Show Answer Correct Answer: B) More dark moths, fewer light ones. 18. Which of the following does not provide evidence for evolution? A) Fossils. B) Homologous Structures. C) Similar Embryonic Development. D) Shared Behaviors. Show Answer Correct Answer: D) Shared Behaviors. 19. Mutations are essential to evolution because they provide ..... A) New variations (alleles) of genes. B) Chances for harmful genetic conditions. C) Superpowers. D) None of the above. Show Answer Correct Answer: A) New variations (alleles) of genes. 20. Which type of adaptation involves physical features of an organism? A) Structural. B) Behavioral. C) Physiological. D) None of the above. Show Answer Correct Answer: A) Structural. 21. The main form of evidence for evolution. A) Evolution. B) Adaptation. C) Fossil Record. D) Epigenetics. Show Answer Correct Answer: C) Fossil Record. 22. ..... have only one cell and no nucleus, but have different structures and chemical processes from those of Archaea. A) Eukarya. B) Archaea. C) Bacteria. D) None of the above. Show Answer Correct Answer: C) Bacteria. 23. A rather large population of foxes has 555 individuals with tan fur and 390 individuals with red fur. Assume that red is recessive. Now that you have q, what should you solve for next? A) P. B) Q. C) Q$^{2}$. D) P$^{2}$. Show Answer Correct Answer: A) P. 24. ..... occurs when individuals within a population with the most favorable traits for an environment survive and pass on those traits. A) Descent with Modification. B) Natural Selection. C) Homologous Structures. D) Use or Disuse. Show Answer Correct Answer: B) Natural Selection. 25. Darwin's finches evolved on an island. What is the main reason that islands often provide good examples of evolution? A) They have many niches. B) They have many organisms that live on them. C) They allow for automatic biogeographic isolation. D) They allow for many variations to exist in species. Show Answer Correct Answer: C) They allow for automatic biogeographic isolation. ← 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