This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 23 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The striking molecular similarities found among diverse species of living taxa can be explained by common ancestry. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. Dolphins have individual call tones used to identify themselves. what type of adaptation is this? A) Structural. B) Behavioral. C) Physiological. D) This is not an adaptation. Show Answer Correct Answer: B) Behavioral. 3. What evidence of evolution? humans can be made temporarily immune to various human diseases by receiving antibodies against those diseases from horses. A) Comparative biochemistry. B) Comparative anatomy. C) Comparative embryology. D) Geographic distribution. Show Answer Correct Answer: A) Comparative biochemistry. 4. Scientists use radioactive decay to measure ..... A) Relative time. B) Absolute time. C) Half-lives. D) Time of day. Show Answer Correct Answer: B) Absolute time. 5. Which form of selection deals solely with the traits which increase the mating success of an individual? A) Natural Selection. B) Genetic Drift. C) Sexual Selection. D) None of the above. Show Answer Correct Answer: C) Sexual Selection. 6. Which of the following best describes how bacteria reproduce? A) Exponentially. B) Linearly. C) Circularly. D) Randomly. Show Answer Correct Answer: A) Exponentially. 7. Ducks live near water. Duck feet are webbed to help them swim in water while also walking on land. Which factor is MOST important in determining the type of feet a baby duck would have? A) The shape of the parent's foot. B) The temperature of the water. C) The amount of mud in the water. D) The type of predators in the water. Show Answer Correct Answer: A) The shape of the parent's foot. 8. What type of evolution happens when organisms with similar traits migrate to different environments and then their traits become less alike? A) Convergent evolution. B) Divergent evolution. C) All the above. D) None of the above. Show Answer Correct Answer: B) Divergent evolution. 9. The belief that speciation occurs at a constant stable rate. A) Gradualism. B) Punctuated Equilibrium. C) Microevolution. D) Speciation. Show Answer Correct Answer: A) Gradualism. 10. This occurs when no more of a species is living. A) Fossilization. B) Adaptation. C) Extinction. D) Natural selection. Show Answer Correct Answer: C) Extinction. 11. What is it called when body parts in different organisms that have the same basic structure but are used differently A) Analagous structures. B) Homologous structures. C) Vestigal structures. D) None of the above. Show Answer Correct Answer: B) Homologous structures. 12. What evidence of evolution? Giraffes have the same number of vertebrae in the neck as do humans? A) Comparative anatomy. B) Comparative biochemistry. C) Comparative embryology. D) Geographic distribution. Show Answer Correct Answer: A) Comparative anatomy. 13. Inherited trait that helps an organism survive is a(n) ..... A) Fossil. B) Adaptation. C) Ancestor. D) Natural selection. Show Answer Correct Answer: B) Adaptation. 14. There are three main categories of protists:animal like, plantlike, and ..... like? A) Bacteria. B) Fungus. C) Virus. D) Slime. Show Answer Correct Answer: B) Fungus. 15. A body part in one organism that is similar in function with the body part of another is called a A) Homologous structure. B) Analagous structure. C) Vestigial structure. D) Pharyngial pouch. Show Answer Correct Answer: A) Homologous structure. 16. Also known as creationism, is a religious or philosophical belief that proposes that all species of living organisms, including humans, were created by a divine or supernatural force, rather than evolving from a common ancestor through natural processes. A) Evolution. B) Theory of Evolution. C) Theory of Transformism. D) Theory of Seperate Creation. Show Answer Correct Answer: D) Theory of Seperate Creation. 17. Fossil evidence indicates that horses have gradually increased in size over geologic time. Which of the following terms best describes this? A) Artificial selection. B) Directional selection. C) Stabilizing selection. D) Disruptive selection. E) Sexual selection. Show Answer Correct Answer: B) Directional selection. 18. Natural selection acts on populations of living things, usually through a specific trait. Which statement must be true about that trait? A) The trait is resistant to mutations. B) The trait is the same for all organisms. C) The trait is passed on genetically to the next generation. D) All forms of the trait have the same impact on survival. Show Answer Correct Answer: B) The trait is the same for all organisms. 19. The branch of biology concerned with the study of embryos and their development. A) Embryology. B) Biogeography. C) Oncology. D) None of the above. Show Answer Correct Answer: A) Embryology. 20. The apparatus in the experiment was used to mimic what? A) Proteins. B) Earth's present conditions. C) Early Earth's conditions. D) They didn't mean to mimic anything in particular. Show Answer Correct Answer: C) Early Earth's conditions. 21. Which statement provides evidence that evolution is still occurring at the present time? A) The extinction rate of species has decreased in the last 50 years. B) Many bird species and some butterfly species make annual migrations. C) New varieties of plant species appear more frequently in regions undergoing climatic change. D) Through cloning, the genetic makeup of organisms can be predicted. Show Answer Correct Answer: C) New varieties of plant species appear more frequently in regions undergoing climatic change. 22. Darwin wrote that the organisms best suited to their environments will ..... A) Increase in Number. B) Go Extinct. C) Mutate More often. D) None of the above. Show Answer Correct Answer: A) Increase in Number. 23. This is a pattern of natural selection in which the average (or intermediate) form of a trait is the most advantageous, and so a population evolves away from the extremes and toward the average A) Disruptive selection. B) Directional selection. C) Stabilizing selection. D) Middle selection. Show Answer Correct Answer: C) Stabilizing selection. 24. Fossils from what kind of organisms are most often found? A) Jungle. B) Horses. C) Aquatic. D) Land bound. Show Answer Correct Answer: C) Aquatic. 25. Every year for 5 years, a farmer regularly sprays his crops for pests and notices that the number of surviving insects increase. Why is this so? A) He is using the wrong pesticide. B) It can't be evolution as it is only 5 years. C) The surviving insects are resistant to the pesticide and are able to reproduce quickly. D) Different insects have come over on ships from South Arica. Show Answer Correct Answer: C) The surviving insects are resistant to the pesticide and are able to reproduce quickly. ← 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