This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 7 Evolution – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 13 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Natural selection could not occur without ..... A) Stable environments. B) Genetic variation in species. C) Gradual warming of the Earth. D) Competition for unlimited resources. Show Answer Correct Answer: B) Genetic variation in species. 2. 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. 3. Which of the following would be a trace fossil? A) Bones. B) Shell. C) Footprint. D) Teeth. Show Answer Correct Answer: C) Footprint. 4. 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. 5. 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. 6. 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. 7. Which of these are LEAST LIKELY to show common ancestry? A) DNA. B) Analogous Structures. C) Vestigial Structures. D) Homologous Structures. Show Answer Correct Answer: B) Analogous Structures. 8. 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. 9. According to the endosymbiotic theory, the outer membrane of the chloroplast originated from which organelle? A) The chloroplast of an eukaryotic host cell. B) The cell membrane of an eukaryotic host cell. C) The chloroplast of an engulfed prokaryotic cell. D) The lysosome of an engulfed prokaryotic cell. Show Answer Correct Answer: B) The cell membrane of an eukaryotic host cell. 10. Darwin would not have observations of ..... to support his theory of common descent. A) Genetics. B) Fossil. C) Anatomical. D) Selective breeding. Show Answer Correct Answer: A) Genetics. 11. Germplasm theory was proposed by ..... A) Darwin. B) Spencer. C) Lamarck. D) Weismann. Show Answer Correct Answer: D) Weismann. 12. 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. 13. 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. 14. What is a well tested explanation that makes sense of a great variety of scientific facts and observations? A) Fact. B) Hypothesis. C) Law. D) Theory. Show Answer Correct Answer: D) Theory. 15. If species have homologous structures, this suggests that the species are ..... A) Variation. B) Related. C) Different. D) Dissimilar. Show Answer Correct Answer: B) Related. 16. 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. 17. 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. 18. Which factors affect natural selection? A) Isolation, overpopulation, speciation. B) Variation, overpopulation, adaptation. C) Variation, inheritance, speciation. D) Inheritance, isolation, adaptation. Show Answer Correct Answer: B) Variation, overpopulation, adaptation. 19. Are a major group of animals that includes a diverse array of species, including chordates (vertebrates and their close relatives), echinoderms (such as sea stars and sea urchins), and hemichordates (such as acorn worms). A) Amniotes. B) Deuterostomes. C) Fish. D) Mammals. Show Answer Correct Answer: B) Deuterostomes. 20. Which of the following scenarios is an example of convergent evolution? A) The development of wings in both bats and birds. B) The evolution of different beak shapes in Darwin's finches. C) The presence of gills in both fish and amphibians. D) The development of similar camouflage patterns in unrelated species. Show Answer Correct Answer: A) The development of wings in both bats and birds. 21. How can high genetic variability within a population impact its ability to survive environmental changes? A) It makes the population more vulnerable to diseases. B) It decreases the population's adaptability. C) It increases the likelihood of survival and adaptation. D) It reduces the chances of new mutations. Show Answer Correct Answer: C) It increases the likelihood of survival and adaptation. 22. Grouped, longest geologic subdivision A) Epoch. B) Era. C) Period. D) Eon. Show Answer Correct Answer: D) Eon. 23. Individuals with favorable traits survive, reproduce, and pass their traits onto their offspring. This is called A) Evolution. B) Adaptation. C) Mutation. D) Natural Selection. Show Answer Correct Answer: D) Natural Selection. 24. Which scientist is credited with coming up with the theory of natural selection? A) Albert Einstein. B) Gregor Mendel. C) Isaac Newton. D) Charles Darwin. Show Answer Correct Answer: D) Charles Darwin. 25. 1 color lizard develops adaptation, is fit for the environment and survives. This is an example A) Variation and adaptation. B) Struggle for exsistence. C) Survival of the fittest. D) None of the above. Show Answer Correct Answer: C) Survival of the fittest. 26. In members of bird species living on a remote island, the greatest number of beaks variations in the population would most likely be found when A) There is a high level of competition for limited resources. B) Homeostasis is limited by a severe climate. C) They have a large and varied food supply. D) They are prey for a large numbers of predators. Show Answer Correct Answer: C) They have a large and varied food supply. 27. Which of the following is an example of gene flow? A) A subordinate wolf successfully challenges the alpha male and mates with pack females. B) A deer picks up spores from a plant as it grazes and deposits them next to that plant. C) A young stallion is driven out of its herd by the alpha stallion and begins its own herd in another location. D) All of these answers. Show Answer Correct Answer: C) A young stallion is driven out of its herd by the alpha stallion and begins its own herd in another location. 28. Nature selects the variations that are most useful. This is known as ..... A) Natural selection. B) Fitness. C) All the above. D) None of the above. Show Answer Correct Answer: A) Natural selection. 29. What evidence supports the theory that continents were once a large landmass? A) The continents share a similar climate. B) Similar fossils have been found on different continents. C) Minerals like gold and copper are found worldwide. D) Coconut trees are found on coastlines. Show Answer Correct Answer: B) Similar fossils have been found on different continents. 30. How does genetic drift affect a population? A) It causes random changes in allele frequencies, which can lead to significant changes in small populations. B) It increases genetic variation by introducing new alleles. C) It decreases genetic variation by removing alleles. D) It has no effect on allele frequencies. Show Answer Correct Answer: A) It causes random changes in allele frequencies, which can lead to significant changes in small populations. 31. Who proposed the idea that all species are descended from common ancestors, a concept that laid the foundation for Darwin's theory of evolution? A) Marie Curie. B) Charles Darwin. C) Gregor Mendel. D) Isaac Newton. Show Answer Correct Answer: B) Charles Darwin. 32. A situation in which allele frequencies of the a population remains constant is called ..... A) Competition. B) Fitness. C) Stasis. D) Natural Selection. Show Answer Correct Answer: C) Stasis. 33. Which of the following best describes the concept of 'molecular clock' in evolutionary biology? A) A method to determine the age of fossils using radioactive isotopes. B) A process by which organisms adapt to their environment over time. C) A tool to measure the rate of photosynthesis in plants. D) A technique to estimate the time of divergence between species based on genetic mutations. Show Answer Correct Answer: D) A technique to estimate the time of divergence between species based on genetic mutations. 34. The most specific classification, a group that mates to produce offspring A) Genus. B) Species. C) Fossils. D) Speciation. Show Answer Correct Answer: B) Species. 35. What role does genetic drift play in evolution? A) It ensures that beneficial traits are passed on to the next generation. B) It changes a population's genetic makeup due to random chance events. C) It causes populations to become more similar over time. D) It increases the rate of mutation in a population. Show Answer Correct Answer: B) It changes a population's genetic makeup due to random chance events. 36. When nature selects what gene are passed on A) Evolution. B) Artificial selection. C) Adaptations. D) Natural selection. Show Answer Correct Answer: D) Natural selection. 37. The wing of a bee and the wing of a bird are considered to be- A) Homologous structure. B) Analogous structures. C) Evolutionary structures. D) Vestigial structures. Show Answer Correct Answer: B) Analogous structures. 38. The Galapagos finches are a group of closely related species of birds. Over time, specialized beaks have evolved for each species in new environments. This is an example of which of the following? A) Adaptive radiation. B) Sexual selection. C) Co-option. D) Coevolution. Show Answer Correct Answer: A) Adaptive radiation. 39. A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce. A) Taxonomy. B) Domain. C) Species. D) Genus. Show Answer Correct Answer: C) Species. 40. Which scientific name is TYPED correctly A) Carcharhinus melanopterus. B) Carcharhinus Melanopterus. C) Carcharhinus melanopterus. D) Carcharhinus melanopterus. Show Answer Correct Answer: A) Carcharhinus melanopterus. 41. The establishment of a genetically unique population through genetic drift A) Divergent evolution. B) Founder effect. C) Adaptive radiation. D) Convergent evolution. Show Answer Correct Answer: B) Founder effect. 42. Which of the following is characterized by eukaryotic, heterotrophic and have a cell wall made of chitin? A) Bacteria. B) Fungi. C) Animals. D) Plants. Show Answer Correct Answer: B) Fungi. 43. What is an objective and verifiable observation? A) Law. B) Idea. C) Theory. D) Fact. Show Answer Correct Answer: D) Fact. 44. The hardened remains of a living thing that died long ago. A) Endangered. B) Fossil. C) Minerals. D) Extinct. Show Answer Correct Answer: B) Fossil. 45. What hypothesis did Darwin investigate by studying the breeding of pigeons with distinctive traits? A) New species can appear gradually through small changes in an ancestral species. B) The amount of variation in a population is related to the type of environment it lives in. C) Organisms have only the number of offspring that are supported by the environment. D) Some traits appear in each generation, while others seem to disappear in some generations. Show Answer Correct Answer: A) New species can appear gradually through small changes in an ancestral species. 46. Which of the following is an example of observed evolutionary change? A) Analysis of comparative anatomy in extinct species. B) Adaptation of bacteria to antibiotics. C) DNA sequencing of extinct species. D) Fossilization of ancient organisms. Show Answer Correct Answer: B) Adaptation of bacteria to antibiotics. 47. Miller/Urey and other scientists studying the origin of life have shown that: A) Formation of life on early Earth required material from space. B) Simple cells can be produced in a laboratory using spontaneous generation. C) Oxygen and water were present in the atmosphere to support life. D) Organic molecules like amino acids and nucleotides could be produced from abiotic/inorganic molecules. Show Answer Correct Answer: D) Organic molecules like amino acids and nucleotides could be produced from abiotic/inorganic molecules. 48. If two organisms have similar traits of DNA they are probably A) Share a common ancestor. B) Share a common population. C) Speciation. D) Share a common environment. Show Answer Correct Answer: A) Share a common ancestor. 49. Miller/Urey and other scientists have shown that: A) Life on early Earth required material from space. B) Simple cells can be produced in a laboratory. C) Cells survived in the primitive atmosphere. D) Amino acids could be produced from inorganic molecules. Show Answer Correct Answer: D) Amino acids could be produced from inorganic molecules. 50. What is antibiotic resistance? A) The ability for humans to repel bacteria. B) The ability for bacteria to become weak from antibiotics. C) The ability for bacteria to resist antibiotics. D) The ability for humans to resist antibiotics. Show Answer Correct Answer: C) The ability for bacteria to resist antibiotics. 51. Which of the following words do the doctors use to describe the bacteria found in Addie A) Rigid. B) Defiant. C) Tolerant. D) Resistant. Show Answer Correct Answer: D) Resistant. 52. What is the primary purpose of a cladogram in biological classification? A) To illustrate the evolutionary relationships between different species. B) To identify the genetic makeup of an organism. C) To display the physical characteristics of organisms. D) To show the geographic distribution of species. Show Answer Correct Answer: A) To illustrate the evolutionary relationships between different species. 53. Penicillin works by: A) Attacking bacterial cell walls. B) Attacking bacterial DNA replication. C) Attacking bacterial the cell membrane. D) None of the above. Show Answer Correct Answer: A) Attacking bacterial cell walls. 54. Refers to the absence of any kind of symmetry in an animal. Asymmetry is rare in animals, but is observed in some types of sponges and other primitive animals. These animals lack a defined body plan or structure and may have irregular shapes or no recognizable pattern of body parts. A) Bilateral symmetry. B) Taxonomy. C) Radial Symmetry. D) Asymmetry. Show Answer Correct Answer: D) Asymmetry. 55. ..... is when members of a species that are best suited for their environment survive and reproduce at a higher rate than other members of the species. A) Adaptation. B) Artificial selection. C) Natural selection. D) Speciation. Show Answer Correct Answer: C) Natural selection. 56. In one region of New Jersey there exists two distinct types of one species of snake A) Mechanical isolation. B) Disruptive selection. C) Geographic isolation. D) Neutral variation. Show Answer Correct Answer: B) Disruptive selection. 57. Shifts against the extreme phenotypes and favors the Intermediate phenotype A) Directional. B) Stabilizing. C) Disruptive. D) None of the above. Show Answer Correct Answer: B) Stabilizing. 58. Over time, the movement of people on Earth has steadily increased. This has altered the course of human evolution by increasing A) Non-random mating. B) Geographic isolation. C) Genetic drift. D) Mutations. E) Gene flow. Show Answer Correct Answer: E) Gene flow. 59. Which of these are MOST LIKELY homologous structures?Bat wing, Dragonfly wing, Tyrannosaurus arm? A) Bat wing and Dragonfly wing. B) Bat wing and Tyrannosaurus arm. C) Dragonfly wing and Tyrannosaurus arm. D) Bat wing, Dragonfly wing, and Tyrannosaurus arm. Show Answer Correct Answer: B) Bat wing and Tyrannosaurus arm. 60. What is the primary source of genetic variation in a population? A) Genetic drift. B) Natural selection. C) Mutations. D) Gene flow. Show Answer Correct Answer: C) Mutations. ← PreviousNext →Related QuizzesScience QuizzesClass 12 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books