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Class 11 Biology Chapter 1 The Living World Quiz 3 (60 MCQs)

Quiz Instructions

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1. A community contains
2. Which change would most likely reduce the rate at which carbon dioxide is increasing in the atmosphere?
3. ..... organisms can live in such an extreme environment.
4. Ecosystem service
5. What do you call it when one species benefits and the other species is not really affected in any way?
6. What are the different types of species interactions in ecosystems?
7. Which of the following animals is most likely a vertebrate?
8. Which of the following animals is known for its ability to mimic bird calls?
9. The final stable community of plants and animals is called:
10. Which aquatic biome has the lowest NPP?
11. Which of the following is not true Archaea?
12. Which is a defining property of all living organisms?
13. What are the twin characteristics of growth?
14. Value independent of any benefit to humans. In other words, just because the organism of species is alive, they have value.
15. A ..... is a scenic or historically important area of countryside protected by the federal government for the enjoyment of the general public or the preservation of wildlife.
16. What is the best way to reduce stress on the ecosystem's provisioning services?
17. Which f the following aids are used for taxonomic study of plants?
18. Which crops are the biggest causes of deforestation?
19. Select the correct option for biological names.
20. This aspect is an exclusive characteristic of living things
21. How do species interactions affect ecosystem stability?
22. The sum total of chemical reactions occurring in our body is called
23. An energy transformation occurs and results in increased disorder.
24. Which watery biome has the lowest concentration of salt?
25. What is the gas needed for photosynthesis?
26. Which type of boundary results in the creation of rift valleys, volcanoes, seafloor spreading, and earthquakes
27. Read the following statements and select the correct ones.( i ) Increase in mass and increase in number of individuals are twin characteristics of growth.( II ) Metabolic reactions can be demonstrated outside the body in isolated cell-free systems.( iii ) 'Response to stimuli' is a defining property of the living organisms.
28. The litter layer is ..... ?
29. Define the term:Abiotic.
30. ..... are generally analytical in nature
31. In which of the following, growth by cell division occurs continuously throughout their life span?
32. What helps fish in swimming?
33. Which biome can be found where winters are cold and summers are short?
34. Organisms in the five kingdom classification were grouped primarily on the basis of:
35. When everything is all balanced in an ecosystem-the number of organisms, the amount of nutrition available and the space is enough
36. Which of these is in both the carbon cycle AND the phosphorous cycle?
37. The practice and business of recreational travel based on concern for the environment
38. Linnaeus described 5900 species of plants in his book ..... (1753) and 4326 species of animals in his book ..... (1758).
39. The Endangered Species Act of 1973 protects registered endangered species by removing them from the "take" list which makes it unlawful to
40. The scientific name of our national bird is .....
41. Most obvious and technically complicated feature of all living organism.
42. The suffix-'oideae' is used for
43. Which of the following tends to be the limiting factor in terrestrial biomes?
44. Which is not an opportunity of the Thar Desert?
45. Which two biomes have the least precipitation?
46. A true species consists of a population which is
47. What is symbiosis?
48. The net annual primary productivity of a particular wetland ecosystem is found to be 10, 000 kcal/m2 per year. If respiration by the aquatic producers is 21, 000 kcal/m2 per year, what is the gross annual primary productivity for this ecosystem, in kcal/m2 per year?
49. Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of
50. The number of species in a given area
51. This is NOT a part of the phosphorus cycle.
52. Why are bees considered a keystone species?
53. How do social structures influence economic opportunities?
54. Kingdom Protista consists of what kind of organisms?
55. The breaking up of habitat into smaller pieces, usually because of human activity is defined as which term?
56. Which kingdom is formed by unicellular organisms with a prokaryotic cell?
57. Where is the largest reservoir for the phosphorus cycle?
58. The band of rain around the equator is called?
59. What type of movement do fish use to swim?
60. How can biodiversity loss impact human health?
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