This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 65 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 65 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In binomial nomenclatures, in which order are the names listed? A) Genus, Species. B) Species, Genus. C) Phylum, Order. D) Order, Phylum. Show Answer Correct Answer: A) Genus, Species. 2. Charles Darwin called the ability of an organism to survive and reproduce in its specific environment A) Diversity. B) Evolution. C) Adaptation. D) Fitness. Show Answer Correct Answer: D) Fitness. 3. An Emperor Penguin has high ..... , because they are able to survive and reproduce in their Antarctic Environment. A) Analogous Structure. B) Fitness. C) Speciation. D) Founder Effect. E) Evolution. Show Answer Correct Answer: B) Fitness. 4. The book 'Origin' of Species' was written by A) Oparin. B) Weismann. C) Darwin. D) Lamarck. Show Answer Correct Answer: C) Darwin. 5. The belief that speciation occurs sporadically with long periods of no speciation and brief periods of rapid speciation. A) Gradualism. B) Punctuated Equilibrium. C) Microevolution. D) Speciation. Show Answer Correct Answer: B) Punctuated Equilibrium. 6. Polar bears have a thick coat with hollow hair. How does this feature help them survive in the Arctic region? A) It helps the animal store body fat. B) It helps the animal locate its prey. C) It traps air that keeps the animal warm. D) It controls water loss from the animal's skin. Show Answer Correct Answer: C) It traps air that keeps the animal warm. 7. What type of reproductive isolation is this example:A Mountain Range A) Behavioral Isolation. B) Geographic Isolation. C) Temporal Isolation. D) None of the above. Show Answer Correct Answer: B) Geographic Isolation. 8. What factor must be in place for natural selection to occur? A) Struggle for existence (overproduction). B) Genetically identical individuals. C) Random mating. D) No immigration or emigration. Show Answer Correct Answer: A) Struggle for existence (overproduction). 9. Adaptation A) Is a slight difference in an inherited trait of individual members of a species. B) Is an inherited trait that increases the organism's chance of surviving and reproducing in its environment. C) A person who studies plants and animals by observing them. D) The resemblance of one species to another species. Show Answer Correct Answer: B) Is an inherited trait that increases the organism's chance of surviving and reproducing in its environment. 10. Same ancestor, different function, similar structure A) Adaptation. B) Homologous structures. C) Camoflauge. D) Divergent evolution. Show Answer Correct Answer: B) Homologous structures. 11. A scientist digs in an undisturbed field and finds a leg bone of dinosaur A about 6 meters below the surface. She keeps digging and finds a jawbone of dinosaur B about 15 meters below the surface. Based on this information, which is the MOST likely conclusion? A) Dinosaur A lived before dinosaur B. B) Dinosaur B lived before dinosaur A. C) Both dinosaurs are from the same geologic time period. D) No conclusion can be made. Show Answer Correct Answer: B) Dinosaur B lived before dinosaur A. 12. The branch of the science that deals with the study of fossils is known as A) Geology. B) Paleontology. C) Zoology. D) Botany. Show Answer Correct Answer: B) Paleontology. 13. The combination of all the genes (including alleles) present in a reproducing population or species A) Gene pool. B) Cladogram. C) Genetic drift. D) Phylogeny. Show Answer Correct Answer: A) Gene pool. 14. Ichthyosaurs were aquatic dinosaurs. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are A) Examples of convergent evolution. B) Homologous. C) Adaptations to a common environment. D) Three of the responses above are correct. E) Two of the responses above are correct. Show Answer Correct Answer: E) Two of the responses above are correct. 15. Dark moths began to outnumber white moths in cities after the Industrial Revolution. What is the most likely reason for this change? A) Light-colored moths mutated into dark colored moths. B) Light-colored moths began to die due to overpopulation. C) Light-colored moths were less favored for survival in the new environment. D) Light-colored moths began to turn black because of factory pollution. Show Answer Correct Answer: C) Light-colored moths were less favored for survival in the new environment. 16. Which of these is evidence for the endosymbiotic theory? A) Mitochondria and chloroplasts cannot live on their own outside a cell. B) Mitochondria and chloroplasts contain their own circular DNA. C) Mitochondria and chloroplasts are surrounded by a membrane. D) Mitochondria and chloroplasts both transform energy from one form to another. Show Answer Correct Answer: B) Mitochondria and chloroplasts contain their own circular DNA. 17. What was the result of the Miller-Urey Experiment? A) Amino acids. B) Nucleotides. C) Lipids. D) Glucose. Show Answer Correct Answer: A) Amino acids. 18. The fossils found closer to the surface of the ground are generally-(a) A) A. Younger & more complex. B) Older & simpler. C) Younger & simpler. D) Older & more complex. Show Answer Correct Answer: A) A. Younger & more complex. 19. Finches on the Galapagos Islands had different beaks in order to help them do what? A) Build nests. B) Fight off predators. C) Collect food sources. D) Compete with rivals. Show Answer Correct Answer: C) Collect food sources. 20. What role do keystone species play in evolutionary biology? A) They drive the evolution of new species by creating new niches. B) They prevent the evolution of other species. C) They are the only species that evolve over time. D) They have no role in evolutionary biology. Show Answer Correct Answer: A) They drive the evolution of new species by creating new niches. 21. Is a type of natural selection in which individuals with one extreme of a trait have higher fitness and are more likely to survive and reproduce. This leads to a shift in the frequency of the trait in the population over time, as individuals with the favored trait become more common A) Stabilizing selection. B) Directional selection. C) Hybridization. D) Inbreeding. Show Answer Correct Answer: B) Directional selection. 22. Which fox will be favored to survive in the year-round snow covered forest environment? A) Both the white fox and black fox. B) Black fox. C) Gray fox. D) White fox. Show Answer Correct Answer: D) White fox. 23. Genetic Drift A) A mechanism of evolution involving random changes in the frequency of alleles in a population, often having a greater effect in small populations. B) A process where organisms with favorable traits survive and reproduce more successfully. C) The transfer of genetic material between populations through migration. D) A method of artificial selection used in agriculture. Show Answer Correct Answer: A) A mechanism of evolution involving random changes in the frequency of alleles in a population, often having a greater effect in small populations. 24. Amelia and Joel are studying the impact of the Burmese Python on the populations of small mammals in the Everglades. What have they observed? A) Increased the diversity of small mammals. B) Decreased the populations of small mammals. C) Had no effect on small mammal populations. D) Helped small mammals thrive. Show Answer Correct Answer: B) Decreased the populations of small mammals. 25. According to modern evolutionary theory, genes responsible for new traits that help a species survive in a particular environment will usually A) Not change in frequency. B) Decrease gradually in frequency. C) Decrease rapidly in frequency. D) Increase in frequency. Show Answer Correct Answer: D) Increase in frequency. ← 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