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Class 11 Biology Chapter 1 The Living World Quiz 14 (60 MCQs)

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1. An threatened area of high species diversity is called
2. Which micro-organism has the characteristics of both living and non-living things?
3. Things that DO NOT need air, water, and food are .....
4. Which of the following is true of the carbon cycle?
5. Who wrote the book "Genetics and Origin of Species"
6. What is an example of keystone species?
7. Define the term:Commensalism.
8. In ..... , stomata are present on the upper side of the leaf.
9. The Phylogenetic system of classification was put forth by
10. Actual account of habitat & distribution of plant of a given area is
11. What are the benefits of preserving cultural diversity?
12. Humans are part of the ecosystem and therefore impact it. Which of the following events in an ecosystem may produce a negative effect?
13. Light is an example for
14. Which type of plant has a weak stem and grows along the ground?
15. This is each phase in food chains; can include producers, primary consumers, and apex predators.
16. SCIENTIC NAME OF POTATO
17. Which of the following is NOT a limiting factor in MOST aquatic biomes?
18. Water is known as ..... because so many substances can dissolve in it.
19. Which of the following would be NOT considered abiotic factors in an ecosystem?
20. Type of dentition in which temporarydeciduous teeth are replaced by adult teethis known as
21. What occurs when a significant decrease in the population size reduces the genetic variation within a species?
22. The most obvious and and complicated feature of living organisms is
23. The scientific name of lion is .....
24. I. Increase in mass II. Differentiation III. Increase in number of individuals IV. Response to stimuliWhich two points are known as the twin characteristics of growth?
25. Which has a hard and thick stem?
26. The five kingdom classification was proposed by
27. Organisms that relies on other organisms for food; consumer
28. Air and water purification are examples of:
29. The scientific term for biological categories is:
30. Which term refers to a relatively short geological period during which a high percentage of Earth's species, often at least 75%, disappear due to catastrophic events like asteroid impacts or volcanic eruptions resulting in a significant biodiversity loss and altered evolutionary paths?
31. Producers are .....
32. Represented by a J-Shaped Curve, Population Growth With No Limits, Unlimited Resources, No Limiting Factors
33. When there are significant scientific uncertainty about potentially serious harm from chemicals or technologies, decision makers should act to prevent harm from humans and in the environment we call this which of the following?
34. How can education promote understanding of diversity?
35. Which of the following "suffixes" used for units of classification in plants indicates a taxonomic category of "family"
36. Nitrogen fixation in cyanobacteria occurs in specialized cells called:
37. Which of the following is a carbon sink?
38. The process of naming of living organisms is called as
39. Arrange the following in the ascending order of Linnaean hierarchy.
40. Which of these is the greatest cause of harmful levels of carbon in the atmosphere?
41. Who is identified the term species for the first time
42. The book ''Genera Plantarum" was written by
43. Breeders can use ..... to ..... genetic variation.
44. What is the hierarchy of biological organization from cells to biosphere?
45. A cactus has spines that help protect it from predators. This would be an example of a ..... adaptation.
46. Reproduction cannot be an all inclusive defining characteristic feature of living organisms because
47. Covers approximately half of Virginia's land area, extremely polluted with sediments and nutrients
48. ..... characters may or may not be similar between two organisms but they developed from a common ancestor.
49. ..... is an event that causes a shared reduction in the side of a population, often due to an environmental disaster, disease, or human activity like hunting or habitat destruction.
50. An organism that cannot make its own food.
51. What is the branch of taxonomy that deals with comparative study of cellular structure known as?
52. Select the incorrect statement with respect to the category, 'genus'.
53. Fruits, fish, and livestock are all examples of what type of ecosystem service?
54. Human digestive system consists of
55. All plants have nitrogen fixing nodules on their roots.
56. In the daytime, temperatures can reach ..... degrees C. At night, the air cools to around ..... degrees C.
57. How much energy is moved from one trophic level to the next trophic level?
58. A series of steps in which organisms transfer energy by eating and being eaten
59. The tiger, eagle, and shark are similar for which of the following reasons?
60. Which of the following is a freshwater biome?
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