This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the value of a transitional fossil? A) Transitional forms show the evolutionary steps between species. B) Transitional forms are evidence of punctuated equilibrium. C) All the above. D) None of the above. Show Answer Correct Answer: A) Transitional forms show the evolutionary steps between species. 2. The differences between living things are also called ..... A) Virginia. B) Vultures. C) Variation. D) None of the above. Show Answer Correct Answer: C) Variation. 3. Analogous structures show common ancestry. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 4. Which of the following is an example of adaptation in bearded dragons? A) A bearded dragon growing larger in a nutrient-rich environment. B) Bearded dragons that can change their skin color to reflect more sunlight and regulate their body temperature. C) A bearded dragon moving to a shaded area to cool down. D) Bearded dragons laying eggs in the summer when temperatures are higher. Show Answer Correct Answer: B) Bearded dragons that can change their skin color to reflect more sunlight and regulate their body temperature. 5. Which of the following is considered a key piece of evidence for evolution due to its demonstration of transitional forms? A) Fossil record. B) Genetic drift. C) Artificial selection. D) Mimicry. Show Answer Correct Answer: A) Fossil record. 6. A paleontologist is most likely to study: A) Animal behavior. B) Biochemistry. C) Human genetics. D) Fossils. Show Answer Correct Answer: D) Fossils. 7. TRUE or FALSE:Natural selection will still occur if individuals are exactly the same. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 8. What type of organism can be found in extreme environments such as hot springs? A) Viruses. B) Archaea. C) Eukaryotes. D) None of these. Show Answer Correct Answer: B) Archaea. 9. Homologous Structures are from what type of Evolution? A) Divergent. B) Convergent. C) All the above. D) None of the above. Show Answer Correct Answer: A) Divergent. 10. What is population genetics? A) The study of genetic variation within families. B) The study of genetic variation within individuals. C) The study of genetic variation within and between populations. D) The study of genetic variation within species. Show Answer Correct Answer: C) The study of genetic variation within and between populations. 11. During a giraffe's lifetime, its neck will become longer as it reaches for leaves on taller trees. Which scientist would agree with this idea? A) Charles Darwin. B) Alfred Wallace. C) Jean-Baptist Lamark. D) Thomas Malthus. Show Answer Correct Answer: C) Jean-Baptist Lamark. 12. Who observed variations in the characteristics of plants and animals on different islands of the Galapagos? A) James Hutton. B) Charles Lyell. C) Charles Darwin. D) Thomas Malthus. Show Answer Correct Answer: C) Charles Darwin. 13. Individuals undergo evolution. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 14. Fossils of canines were found on opposite sides of a mountain range. The fossils are from species that are similar but not identical. These fossils were very similar, although the climates and regions were extremely different on each side of the range. These fossils provide evidence for the theory of evolution. What does the similarity of the fossils exemplify? A) Coevolution. B) Biogeography. C) Vestigial structures. D) Analogous structures. Show Answer Correct Answer: B) Biogeography. 15. How are organisms classified in the Linnaean classification? A) Primary, secondary, tertiary, quaternary, quinary, senary, septenary. B) A, B, C, D, E, F, G. C) Kingdoms, divisions, classes, orders, families, genera, species. D) Colors, sizes, shapes, textures. Show Answer Correct Answer: C) Kingdoms, divisions, classes, orders, families, genera, species. 16. A common bone structure found in several organisms suggests that they ..... A) Live for a long time. B) Evolved slowly. C) All grow at different rates. D) Share a common ancestor. Show Answer Correct Answer: D) Share a common ancestor. 17. Change over time is A) Evolution. B) Generation. C) Growth. D) Biogenesis. Show Answer Correct Answer: A) Evolution. 18. A ..... is an extinct ocean shellfish. A) Paleontologist. B) Fossil. C) Trilobite. D) Extinct. Show Answer Correct Answer: C) Trilobite. 19. Which of the following statements best explains the Theory of Natural Selection? A) Acquired characteristics of parents can be passed on to offspring. B) Organs that are not used may disappear, while organs that are constantly used may develop. C) In nature, the organism with desirable characteristics may survive, while those with weaker traits may not. D) Organisms develop desirable structures to survive in a given environment. Show Answer Correct Answer: C) In nature, the organism with desirable characteristics may survive, while those with weaker traits may not. 20. Intermediate fossil forms are important evidence of evolution because they show A) How organisms change over time. B) How animals behaved in their environments. C) How the embryos of organisms develop. D) Molecular homologies. Show Answer Correct Answer: A) How organisms change over time. 21. In the context of evolution, what does the term 'fitness' refer to? A) The physical strength of an organism. B) The ability of an organism to survive and reproduce. C) The speed at which an organism can move. D) The size of an organism's population. Show Answer Correct Answer: B) The ability of an organism to survive and reproduce. 22. In humans, Rh-positive individuals have the Rh antigen on their red blood cells, while Rh-negative individuals do not. If the Rh-positive phenotype is produced by a dominant gene (A), and the Rh-negative phenotype is due to its recessive allele (a), what is the frequency of the Rh-positive allele if 84% of a population is Rh-positive? A) 0.04. B) 0.16. C) 0.48. D) 0.60. Show Answer Correct Answer: D) 0.60. 23. Nonrandom mating tends to ..... the frequencies of ..... genotypes. A) Increase; homozygous. B) Decrease; homozygous. C) Increase; heterozygous. D) Decrease; homozygous recessive. E) Increase; homozygous dominant. Show Answer Correct Answer: A) Increase; homozygous. 24. Homologous structures in different species are evidence of what evolutionary concept? A) Convergent evolution. B) Divergent evolution. C) Parallel evolution. D) Co-evolution. Show Answer Correct Answer: B) Divergent evolution. 25. Mammals first appeared or emerged in this era: A) Paleozoic. B) Mesozoic. C) Cenozoic. D) Industrial. Show Answer Correct Answer: B) Mesozoic. ← 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 8Class 12 Biology Chapter 7 Evolution Quiz 9Class 12 Biology Chapter 7 Evolution Quiz 10Class 12 Biology Chapter 7 Evolution Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books