This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Process by which two species evolve in response to changes in each other A) Convergent evolution. B) Co-evolution. C) Divergent evolution. D) Natural selection. Show Answer Correct Answer: B) Co-evolution. 2. Which of the following is the CORRECT form of a scientific name? A) Canis lupus. B) Canis Lupus. C) Canis lupus. D) Canis lupus. Show Answer Correct Answer: A) Canis lupus. 3. A Biology student is cross breeding fruit flies and noticed the following observations. 75% of the offspring had red eyes and 25% of the offspring had white eyes. What conclusions can be supported by the data? A) Genes for eyes and body color were located on the same chromosome. B) Genes for the red eyes were recessive. C) Genes for white eyes are dominant. D) Genes for white eyes are recessive. Show Answer Correct Answer: D) Genes for white eyes are recessive. 4. When an organism completely dies out, it is called ..... A) Adaption. B) Extinction. C) Fossilization. D) Mutation. Show Answer Correct Answer: B) Extinction. 5. The term that best describes why the moth population changed color over time A) Adaptation. B) Natural selection. C) Mutation. D) Predator-prey. Show Answer Correct Answer: B) Natural selection. 6. What is the meaning of the word "ancestor" in biology A) A brother or sister. B) A species. C) An organism that another organism evolved from. D) A parent. Show Answer Correct Answer: C) An organism that another organism evolved from. 7. Scientists found the fossilized remains of a mammal's jaw and leg. What additional information do scientists need to hypothesize the age of the fossil? A) The rest of the skeleton. B) The continent where the fossils were found. C) A stratigraphic layer where the fossils were found. D) The climate at the time the mammal died. Show Answer Correct Answer: C) A stratigraphic layer where the fossils were found. 8. Who was the first scientist to believe that new species could be formed eventually? A) Darwin. B) Lamarck. C) Wallace. D) Einstein. Show Answer Correct Answer: A) Darwin. 9. What is the definition of variation in the context of evolutionary biology? A) The process by which new species are created. B) The differences in physical traits among individuals of the same species. C) The gradual change of a species over time. D) The ability of an organism to change its traits in response to environmental changes. Show Answer Correct Answer: B) The differences in physical traits among individuals of the same species. 10. Old-fashioned pendulum clock mark time with a swinging pendulum. A molecular clock also relies on a repeating process to mark time it is called a ..... A) Gene sequence. B) Allele. C) Chromosome pair. D) Mutation. Show Answer Correct Answer: D) Mutation. 11. "Endosymbiosis" means A) Living together. B) Entering together. C) Living separately. D) Joining together. Show Answer Correct Answer: A) Living together. 12. Genes that are beneficial to the species will ..... A) Evolve a new species. B) Will not be passed down to its' offspring. C) Become more common over time. D) Cause the extinction of a species. Show Answer Correct Answer: C) Become more common over time. 13. Being able to adapt to a variety of habitats and food sources A) Is the key to being successful in nature. B) Is usually a characteristic of when living organisms become extinct. C) All the above. D) None of the above. Show Answer Correct Answer: A) Is the key to being successful in nature. 14. Which of the following is an example of a homologous structure? A) Pentadactyl limb. B) Bird wing. C) Fish fin. D) Insect antenna. Show Answer Correct Answer: A) Pentadactyl limb. 15. In the Hardy-Weinberg Equation, p$^{2}$ is the frequency of what? A) The recessive allele. B) The dominant allele. C) The recessive genotype. D) The dominant genotype. Show Answer Correct Answer: D) The dominant genotype. 16. Most biologists agree there are three domains of life which are they? A) Animalia, Plantae, Fungi. B) Bacteria, Eukarya, Archaea. C) All the above. D) None of the above. Show Answer Correct Answer: B) Bacteria, Eukarya, Archaea. 17. Similarities in the embryos of vertebrates early in development suggests commonancestry among vertebrates. What study is this? A) Biochemistry. B) Paleontology. C) Morphology. D) Embryology. Show Answer Correct Answer: D) Embryology. 18. Which of the following best describes the concept of 'survival of the fittest'? A) The strongest individuals survive. B) The individuals most adapted to their environment survive. C) The fastest individuals survive. D) The largest individuals survive. Show Answer Correct Answer: B) The individuals most adapted to their environment survive. 19. Is a type of natural selection that arises from competition for mates, in which individuals with certain traits have higher mating success and reproductive fitness. Unlike other forms of natural selection, which are driven by survival and adaptation to the environment, sexual selection is driven by the ability to attract mates. A) Stabilizing selection. B) Directional selection. C) Sexual Selection. D) Disruptive Selection. Show Answer Correct Answer: C) Sexual Selection. 20. Most organisms have more offspring than will survive A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. Gene flow is accomplished when A) Pollen from one gene pool of a plant fertilizes another plant from another gene pool. B) Pollen from the same gene pool of a plant fertilizes another plant from the same gene pool. C) All the above. D) None of the above. Show Answer Correct Answer: A) Pollen from one gene pool of a plant fertilizes another plant from another gene pool. 22. Why does natural selection affect populations and ecosystems? A) Populations and ecosystems are always limited in resources. B) There is a genetic disposition towards competition. C) Populations and ecosystems learn to be competitive against other individuals or species. D) None of the above. Show Answer Correct Answer: A) Populations and ecosystems are always limited in resources. 23. Give an example of natural selection in action. A) Development of flight in birds. B) Formation of mountains through tectonic activity. C) Evolution of antibiotic resistance in bacteria. D) Photosynthesis in plants. Show Answer Correct Answer: C) Evolution of antibiotic resistance in bacteria. 24. The fossil record help scientists A) Better understand the kinds of organisms that lived in the past. B) Better understand how the environment has changed over time. C) Better understand how organisms have evolved over time. D) All of the above. Show Answer Correct Answer: D) All of the above. 25. Which of the following claims can be made from our data from part 2? A) Bacteria originally grown on 10 mg Antibiotic have the strongest resistance traits. B) Bacteria originally grown on 5 mg Antibiotic have the strongest resistance traits. C) Bacteria originally grown on 3 mg Antibiotic have the strongest resistance traits. D) Bacteria originally grown on 1 mg Antibiotic have the strongest resistance traits. Show Answer Correct Answer: A) Bacteria originally grown on 10 mg Antibiotic have the strongest resistance traits. ← 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