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Class 12 Biology Chapter 7 Evolution Quiz 10 (60 MCQs)

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1. Which of the following is the correct way to summarize natural selection?
2. The striking molecular similarities found among diverse species of living taxa can be explained by common ancestry.
3. Dolphins have individual call tones used to identify themselves. what type of adaptation is this?
4. What evidence of evolution? humans can be made temporarily immune to various human diseases by receiving antibodies against those diseases from horses.
5. Scientists use radioactive decay to measure .....
6. Which form of selection deals solely with the traits which increase the mating success of an individual?
7. Which of the following best describes how bacteria reproduce?
8. 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?
9. What type of evolution happens when organisms with similar traits migrate to different environments and then their traits become less alike?
10. The belief that speciation occurs at a constant stable rate.
11. This occurs when no more of a species is living.
12. What is it called when body parts in different organisms that have the same basic structure but are used differently
13. What evidence of evolution? Giraffes have the same number of vertebrae in the neck as do humans?
14. Inherited trait that helps an organism survive is a(n) .....
15. There are three main categories of protists:animal like, plantlike, and ..... like?
16. A body part in one organism that is similar in function with the body part of another is called a
17. 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.
18. Fossil evidence indicates that horses have gradually increased in size over geologic time. Which of the following terms best describes this?
19. Natural selection acts on populations of living things, usually through a specific trait. Which statement must be true about that trait?
20. The branch of biology concerned with the study of embryos and their development.
21. The apparatus in the experiment was used to mimic what?
22. Which statement provides evidence that evolution is still occurring at the present time?
23. Darwin wrote that the organisms best suited to their environments will .....
24. 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
25. Fossils from what kind of organisms are most often found?
26. 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?
27. When organisms, whether living or extinct, are descended from a common ancestor ..... this is known as:
28. Genetic variation in a population can be increased with:
29. How can the Archaeopteryx fossils be used to support the theory of evolution?
30. Which kind of a structure is it? A bat's wing and a butterfly's wing?
31. What is a change in a gene pool over time?
32. A human appendix, whale hipbones, and skink's legs are examples of .....
33. What is a key part of the struggle for survival that leads to evolution?
34. Which scientific method is used to determine the age of fossils, providing evidence for the timeline of evolution?
35. ..... is when the best-adapted organisms survive and reproduce while those with the worse traits do not.
36. What does Darwin's theory of evolution suggest?
37. An organism that is made up of a single cell.
38. Introns are significant to biological evolution because
39. According to Darwin's theory of natural selection, the individuals that tend to survive are those that have
40. What produced oxygen within the early stages of our atmosphere?
41. Bacteria divide by
42. Treponema Pallidium is what shape
43. Adaptation is when .....
44. Which prediction describes the expected change in antibiotic resistant bacteria in the future?
45. According to Jean Baptiste Lamarck, how do species change over time?
46. What is the significance of genetic variation in a population for the process of evolution?
47. Which of the following best describes adaptive radiation?
48. DARWIN COLETED .....
49. A common definition for evolution is-Change in allele frequency over time. What does allele frequency mean? (best answer)
50. Organisms with the Advantageous traits will
51. A mutation in DNA that causes a beneficial characteristic.
52. Layer of seds deposited above the tracks
53. Is a fundamental principle in population genetics that describes the relationship between the frequencies of alleles and genotypes in a population that is not evolving. It is based on the assumptions of large population size, random mating, no mutation, no migration, and no natural selection.
54. Which scenario would natural selection most likely work on?
55. Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? Why or why not?
56. Over generations of time apart on different islands with different food sources, the separated populations of Galapagos finches accumulated genetic differences until each group had different beaks. This is an example of .....
57. What is a situation that prevents two populations from successfully interbreeding?
58. What type of evidence for evolution is provided by the similarity in DNA sequences between humans and chimpanzees?
59. Phylogeny is .....
60. Scientist find dinosaur fossils in the bottom of a cliff and mammals fossils in the middle layer, what can be inferred?
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