This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. According to ..... evolution is descent with modification A) Spencer. B) Darwin. C) Lamarck. D) None. Show Answer Correct Answer: B) Darwin. 2. Each branching point in a cladogram is a ..... A) Organsim. B) Node. C) Lineage. D) Clade. Show Answer Correct Answer: B) Node. 3. What determines the length of a geologic time period? A) Fossil Record. B) Material Density. C) Meteors and Rocks. D) Radioactive Materials. Show Answer Correct Answer: A) Fossil Record. 4. A population of pigs with small, medium, and long snouts lives on an island together with burrowing termites. Pigs that have the longest snouts tend to survive better. Over time, most of the pig population is made up of individuals that have very long snouts. This is an example of which type of selection? A) Directional selection. B) Disruptive selection. C) Stabilizing selection. D) Sexual selection. Show Answer Correct Answer: A) Directional selection. 5. Natural Selection acts on an organism's phenotype, but it doesn't change genotype. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Is a type of point mutation that involves the replacement of one purine or pyrimidine with another purine or pyrimidine within a DNA sequence. These mutations can have various effects on protein function, and can be caused by spontaneous mutations, exposure to mutagens, or inherited from one or both parents. A) Transition mutation. B) Transversion mutation. C) Frame-shift mutation. D) Stop mutation. Show Answer Correct Answer: A) Transition mutation. 7. Which is a significant benefit of studying fossils? A) Fossils give information about the colors and outer coverings of organisms that are no longer living. B) Fossils give information about the time period in which organisms lived in the past. C) Fossil evidence shows that changes that occurred in the past no longer occur. D) Fossils help prove that organisms of the past have little relation to present-day organisms. Show Answer Correct Answer: B) Fossils give information about the time period in which organisms lived in the past. 8. This is the trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock. A) Competiton. B) Extinction. C) Evidence. D) Fossil. Show Answer Correct Answer: D) Fossil. 9. Natural selection could not occur without ..... A) Genetic variation in species. B) Stable environments. C) Competition for unlimited resources. D) Gradual warming of the Earth. Show Answer Correct Answer: A) Genetic variation in species. 10. Which of the following statements about the TWO Domains of Prokaryotes is NOT TRUE A) The lipid composition of the plasma membrane in archaebacteria is different from eubacteria. B) Both archaebacteria and eubacteria has cell wall but archaebacteria lack peptidoglycan. C) Of the two groups, eubacteria are more closely related to domain eukarya. D) Eubacteria includes the blue green algae. Show Answer Correct Answer: C) Of the two groups, eubacteria are more closely related to domain eukarya. 11. Which of the following would be a trace fossil? A) Bones. B) Teeth. C) Footprint. D) Shell. Show Answer Correct Answer: C) Footprint. 12. Which scientists stated that the human population would eventually run out of resources? A) Malthus. B) Wallace. C) Lamarck. D) Lyell. Show Answer Correct Answer: A) Malthus. 13. Era comprising of the Triassic, Jurassic, and Cretaceous periods A) Paleozoic. B) Mesozoic. C) Cenozoic. D) None of the above. Show Answer Correct Answer: B) Mesozoic. 14. How does the fossil record support the theory of evolution? A) It provides evidence of gradual change in species over time and shows transitional forms. B) It only shows the existence of species that are currently alive. C) It disproves the theory of evolution by showing no change in species over time. D) It provides evidence that all species appeared suddenly and simultaneously. Show Answer Correct Answer: A) It provides evidence of gradual change in species over time and shows transitional forms. 15. Which of these are LEAST LIKELY to show common ancestry? A) Homologous Structures. B) Vestigial Structures. C) DNA. D) Analogous Structures. Show Answer Correct Answer: D) Analogous Structures. 16. Which of the following pieces of evidence most strongly supports the common origin of all life on Earth? A) All organisms show heritable variation. B) All organisms require energy. C) All organisms reproduce. D) All organisms have undergone evolution. E) All organisms use essentially the same genetic code. Show Answer Correct Answer: E) All organisms use essentially the same genetic code. 17. According to the endosymbiotic theory, the outer membrane of the chloroplast originated from which organelle? A) The lysosome of an engulfed prokaryotic cell. B) The chloroplast of an engulfed prokaryotic cell. C) The cell membrane of an eukaryotic host cell. D) The chloroplast of an eukaryotic host cell. Show Answer Correct Answer: C) The cell membrane of an eukaryotic host cell. 18. Darwin would not have observations of ..... to support his theory of common descent. A) Fossil. B) Anatomical. C) Selective breeding. D) Genetics. Show Answer Correct Answer: D) Genetics. 19. Germplasm theory was proposed by ..... A) Darwin. B) Lamarck. C) Weismann. D) Spencer. Show Answer Correct Answer: C) Weismann. 20. Process in which individuals that have certain traits tend to survive and reproduce at higher rates than others A) Evolution. B) Natural selection. C) All the above. D) None of the above. Show Answer Correct Answer: B) Natural selection. 21. Polyphyletic group A) Does not include the MRCA of all members of the group. B) MRCA only. C) Descendents only. D) None of the above. Show Answer Correct Answer: A) Does not include the MRCA of all members of the group. 22. What is a well tested explanation that makes sense of a great variety of scientific facts and observations? A) Theory. B) Law. C) Hypothesis. D) Fact. Show Answer Correct Answer: A) Theory. 23. If species have homologous structures, this suggests that the species are ..... A) Variation. B) Different. C) Related. D) Dissimilar. Show Answer Correct Answer: C) Related. 24. Which of the following is an example of homologous structures indicating common ancestry? A) The wings of a bat and the wings of a butterfly. B) The flippers of a whale and the wings of a bird. C) The forelimbs of a human and the forelimbs of a cat. D) The eyes of a squid and the eyes of a human. Show Answer Correct Answer: C) The forelimbs of a human and the forelimbs of a cat. 25. Natural selection of bird beak sizes and shapes is most likely to occur when ..... A) The birds cooperate to find and share food. B) Many of the birds fight with one another and the physically strongest ones win. C) There is a shortage of food and so the birds must compete with one another. D) There is more than enough food to meet all the birds' needs. Show Answer Correct Answer: C) There is a shortage of food and so the birds must compete with one another. ← 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