This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 50 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 50 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is NOT a cause of evolutionary changes according to the document? A) Genetic drift. B) Environmental pressures. C) Artificial selection. D) Random mutation. Show Answer Correct Answer: D) Random mutation. 2. Of all the places he visited, the ..... Islands influenced Darwin's ideas about evolution the most. A) Galapagos. B) Hawaiian. C) Bora Bora. D) Aleutian. Show Answer Correct Answer: A) Galapagos. 3. What do mass extinctions do? A) Increase the diversity of a species. B) Reduce the diversity of a species. C) Improve the environment. D) None of the above. Show Answer Correct Answer: B) Reduce the diversity of a species. 4. Match each kingdom with it's domain.animalia A) Eukarya. B) Archaea. C) Bacteria. D) None of the above. Show Answer Correct Answer: A) Eukarya. 5. "Biodiversity" refers to the idea that ..... A) Taxa can be classified in a hierarchy of levels. B) Species vary at the ecosystem, species, and genetic levels. C) Not every individual in a species is identical. D) Every individual in a species is similar. Show Answer Correct Answer: B) Species vary at the ecosystem, species, and genetic levels. 6. The Law of Superposition helps us understand the age of fossils compared to other fossils. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. What is the relationship between a theory and experimental results? A) A theory is unrelated to experimental results. B) A theory is based on experimental results. C) A theory contradicts experimental results. D) A theory ignores experimental results. Show Answer Correct Answer: B) A theory is based on experimental results. 8. Natural selection is when ..... decides who survives and who doesn't A) Nature. B) Humans. C) Animals. D) Years. Show Answer Correct Answer: A) Nature. 9. Which of the following evolutionary forces can introduce new genetic variation into a population? A) Natural selection and non-random mating. B) Natural selection and genetic drift. C) Mutation and genetic drift. D) Mutation and gene flow. Show Answer Correct Answer: D) Mutation and gene flow. 10. The eye structures of cephalopods, such as the blue ringed octopus, and mammals evolved independently to perform very similar functions. This type of evolution is called A) Allotopic separation. B) Convergent evolution. C) Divergent evolution. D) Sympatic association. Show Answer Correct Answer: B) Convergent evolution. 11. A population of large fish eats the smaller brown fish that live near the bottom of the ocean. Every so often, the brown fish have a green offspring, which are more easily seen and eaten by predators. The brown fish survive in the ocean because ..... A) They need to be brown in order to survive and reproduce. B) They swim faster than the green fish. C) Their coloring makes them more fit than the green fish. D) None of the above. Show Answer Correct Answer: C) Their coloring makes them more fit than the green fish. 12. Which statement best describes conditions on early Earth? A) Hot with volcanic activity and electrical storms. B) Dry land covered with volcanic dust. C) Cold oceans. D) Dark and dusty with abundant water. Show Answer Correct Answer: A) Hot with volcanic activity and electrical storms. 13. Biological fitness is defined as ..... A) The ability of an organism to survive and reproduce. B) The average life span of an organism. C) The amount of energy an organism can use in the environment. D) The average life span of an organism. Show Answer Correct Answer: A) The ability of an organism to survive and reproduce. 14. The condition where a gene pool is not changing in frequency across generations A) Genetic equalibrium. B) Genetic drift. C) Phylogeny. D) Gene pool. Show Answer Correct Answer: A) Genetic equalibrium. 15. In what kingdom would you find trees and flowers? A) Plantae. B) Fungi. C) Eubacteria. D) Animalia. Show Answer Correct Answer: A) Plantae. 16. Which statement is NOT part of Darwin's theory of evolution by natural selection? A) Individuals in a population of a species vary in many ways. B) Some individuals possess features that increase their probability to survive compared to individuals lacking these features. C) More offspring are produced within a population of a species than can generally survive. D) Changes in the environment cause beneficial mutations. Show Answer Correct Answer: D) Changes in the environment cause beneficial mutations. 17. Can two different species have analogous structures? A) Yes. B) Depends. C) Maybe. D) No. Show Answer Correct Answer: A) Yes. 18. If the frequency of two alleles in a gene pool is 90% A and 10% a, what is the frequency of individuals in the population with the genotype Aa? A) .78. B) .81. C) 0.18. D) 0.19. Show Answer Correct Answer: C) 0.18. 19. ..... is the heritable characteristic that increases an organisms ability to survive and reproduce in an environment A) Evolution. B) Fossil. C) Adaptation. D) Fitness. E) Natural Selection. Show Answer Correct Answer: C) Adaptation. 20. What is change overtime A) Natural selection. B) Artificial selection. C) Evolution. D) Adaptations. Show Answer Correct Answer: C) Evolution. 21. Which of these is a condition that must be met for Hardy-Weinberg equilibrium? A) Extremely small population size. B) No natural selection. C) Gene flow. D) Nonrandom mating. Show Answer Correct Answer: B) No natural selection. 22. What type of evidence was most likely used to reach the conclusion that species with similar DNA are closely related? A) Fossil evidence. B) Structural evidence. C) Genetic evidence. D) Evidence from developmental patterns. Show Answer Correct Answer: C) Genetic evidence. 23. Theory of Natural Selection for organic evo is put forward by ..... A) Lamarck. B) Darwin. C) Mendel. D) De Vries. Show Answer Correct Answer: B) Darwin. 24. A category of structures that have a similar function, but are structurally different. A) Homologous structures. B) Analogous structures. C) Vestigial structures. D) Common core structures. Show Answer Correct Answer: B) Analogous structures. 25. The different species of the Hawaiian honeycreepers shown all descended from a single species of North American bird. They now have different beaks, eat different food, sing different songs, and live in different environments on the islands. Which factor probably contributed MOST to the development of these different species? A) Loss of habitat. B) Geographical isolation. C) Egg size. D) Predation. Show Answer Correct Answer: B) Geographical 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