CBSE Class 10 Science Management of natural resources Sure Shot Questions B

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MANAGEMENT OF NATURAL RESOURCES

1. From the list given below pick the item that is not a natural resource

(a) Soil

(b) Water

(c) Electricity

(d) Air

2. The most rapidly dwindling natural resource in the world is

(a) water

(b) forests

(c) wind

(d) sunlight

3. The most appropriate definition of a natural resource is that it is a substance/commodity that is

(a) present only on land

(b) a gift of nature which is very useful to mankind

(c) a man-made substance placed in nature

(d) available only in the forest

4. The main cause for abundant coliform bacteria in the river Ganga is

(a) disposal of unburnt corpses into water

(b) discharge of effluents from electroplating industries

(c) washing of clothes

(d) immersion of ashes

5. The pH of water sample collected from a river was found to be acidic in the range of 3.5 – 4.5, on the banks of the river were several factories that were discharging effluents into the river. The effluents of which one of the following factories is the most likely cause for lowering the pH of river water?

(a) Soap and detergent factory

(b) Lead battery manufacturing factory

(c) Plastic cup manufacturing factory

(d) Alcohol distillery

6. The pH range most conducive for life of fresh water plants and animals is

(a) 6.5 – 7.5

(b) 2.0 – 3.5

(c) 3.5 – 5.0

(d) 9.0 – 10.5

7. The three R’s that will help us to conserve natural resources for long term use are

(a) recycle, regenerate, reuse

(b) reduce, regenerate, reuse

(c) reduce, reuse, redistribute

(d) reduce, recycle, reuse

8. Given below are a few statements related to biodiversity. Pick those that correctly describe the concept of biodiversity

(i) Biodiversity refers to the different species of flora and fauna present in an area

(ii) Biodiversity refers to only the flora of a given area

(iii) Biodiversity is greater in a forest

(iv) Biodiversity refers to the total number of individuals of a particular species living in an area

(a) (i) and (ii) (b) (ii) and (iv)

(c) (i) and (iii) (d) (ii) and (iii)

9. Among the statements given below select the ones that correctly describe the concept of sustainable development

(i) Planned growth with minimum damage to the environment

(ii) Growth irrespective of the extent of damage caused to the environment

(iii) Stopping all developmental work to conserve the environment

(iv) Growth that is acceptable to all the stakeholders

(a) (i) and (iv) (b) (ii) and (iii)

(c) (ii) and (iv) (d) (iii) only

10. In our country, vast tracts of forests are cleared and a single species of plant is cultivated. This practice promotes

(a) biodiversity in the area

(b) monoculture in the area

(c) growth of natural forest

(d) preserves the natural ecosystem in the area

11. A successful forest conservation strategy should involve

(a) protection of animals at the highest trophic level

(b) protection of only consumers

(c) protection of only herbivores

(d) comprehensive programme to protect all the physical and biological components

12. The important message conveyed by the ‘Chipko Movement’ is

(a) to involve the community in forest conservation efforts

(b) to ignore the community in forest conservation efforts

(c) to cut down forest trees for developmental activities

(d) government agencies have the unquestionable right to order destruction of trees in forests

13. In our country, there are attempts to increase the height of several existing dams like Tehri and Almati, dams across Narmada. Choose the correct statements among the following that are a consequence of raising the height of dams

(i) Terrestrial flora and fauna of the area is destroyed completely

(ii) Dislocation of people and domestic animals living in the area

(iii) Valuable agricultural land may be permanently lost

(iv) It will generate permanent employment for people

(a) (i) and (ii) (b) (i), (ii) and (iii)

(c) (ii) and (iv) (d) (i), (iii) and (iv)

14. Expand the abbreviation GAP

(a) Governmental Agency for Pollution Control

(b) Gross Assimilation by Photosynthesis

(c) Ganga Action Plan

(d) Governmental Agency for Animal Protection

15. Select the incorrect statement

(a) Economic development is linked to environmental conservation

(b) Sustainable development encourages development for current generation and conservation of resources for future generations

(c) Sustainable development does not consider the view points of stakeholders

(d) Sustainable development is a long planned and persistent development

16. Which of the following is not a natural resource?

(a) Mango tree

(b) Snake

(c) Wind

(d) Wooden house

17. Select the wrong statement

(a) Forests provide variety of products

(b) Forests have greater plant diversity

(c) Forests do not conserve soil

(d) Forests conserve water

18. Arabari forests of Bengal is dominated by

(a) Teak

(b) Sal

(c) Bamboo

(d) Mangroove

19. Ground water will not be depleted due to

(a) afforestation

(b) thermal power plants

(c) loss of forest, and decreased rainfall

(d) cropping of high water demanding crops

20. Opposition to the constrution of large dams is due to

(a) social reasons

(b) economic reasons

(c) enviromental reasons

(d) all the above

21. Khadins, Bundhis, Ahars and Kattas are ancient structures that are examples for

(a) grain storage

(b) wood storage

(c) water harvesting

(d) soil conservation

22. Pick the right combination of terms which has no fossil fuel.

(a) Wind, ocean and coal

(b) Kerosene, wind and tide

(c) Wind, wood, sun

(d) Petroleum, wood, sun

23. Select the eco-friendly activity among the following

(a) Using car for transportation

(b) Using polybags for shopping

(c) Using dyes for colouring clothes

(d) Using windmills to generate power for irrigation

24. It is important to make small check dams across the flooded gullies because they

(i) hold water for irrigation

(ii) hold water and prevent soil erosion

(iii) recharge ground water

(iv) hold water permanently

(a) (i) and (iv) (b) (ii) and (iii)

(c) (iii) and (iv) (d) (ii) and (iv)

25. (a) Locate and name the water reservoirs in Figures (a) and (b).

(b) Which has an advantage over the other and why?

26. Prepare a list of five items that you use daily in the school. Identify from the list such items that can be recycled.

27. List two advantages associated with water harvesting at the community level

28. In a village in Karnataka, people started cultivating crops all around a lake which was always filled with water. They added fertilisers to their field in order to enhance the yield. Soon they discovered that the waterbody was completely covered with green floating plants and fishes started dying in large numbers. Analyse the situation and give reasons forexcessive growth of plants and death of fish in the lake.

29. What measures would you take to conserve electricity in your house?

30. Although coal and petroleum are produced by degradatioin of bio- mass, yet we need to conserve them. Why?

31. Suggest a few measures for controlling carbon dioxide levels in the atmosphere

32. In the context of conservation of natural resources, explain the terms reduce, recycle and reuse. From among the materials that we use in daily life, identify two materials for each category.

33. Prepare a list of five activities that you perform daily in which natural resources can be conserved or energy utilisation can be minimised.

34. Is water conservation necessary? Give reasons.

35. Suggest a few useful ways of utilising waste water.

36. What is the importance of forest as a resource?

37. Why are the Arabari forests of Bengal known to be a good example of conserved forest?

38. What will be the effect of increase in the amount of CO2 in the atmosphere on the average temperature of the earth.

39. Why is it necessary to conserve our environment?

40. Which of the following is the major constituents of biogas. CO2, H2, CH4, CO.

41. Which of the following pollutants of air would affect the capacity of blood in human bodies to absorb O2 from lungs . NO2, SO4,CO,CO2

42. Where was CHIPKO MOVEMENT started?

43. What are the two major benefits of dams?

44. What are kulhs?

45. List any two systems of water harvesting.

46. How is the increase in demand for energy affecting atmosphere?

47. Write two advantages of classifying energy sources as renewable and non renewable.

48. Why should we conserve forests? Suggest any two ways of conserving forests.

49. What are fossil fuels. Give two examples of fossil fuels.

50. Write the ecological functions of forests.

51. What is chipko movement? How did this movement ultimately benefit the local populations and the environment?

52. How do the forests get depleted? What are its consequences?

53. Suggest any two measures for controlling Co2 levels in the atmosphere.

54. Why are Arabari forests of Bengal known to be good example of conserved forests

55. Why are environmentalists insisting upon sustainable natural resource management? Give any three reasons.

56. Suggest any two ways of utilizing waste water.

57. Briefly describe Ganga action plan.

58. Explain the methods of water harvesting

59. Quote three instances where human interventions saved the forests.

60. There are four main stake holders when it comes to forests and wild life Which among these should be the authority to decide the management of forest produce? Why?

61. What is the importance of water harvesting?

62. An environmentalist on your visit to your school suggested the use of three R‘s to save the environment. Explain the three R‘s

63. What does sustainable management mean? The environmentalists are insisting upon sustainable natural resources management? State four advantages.

64. What is a dam? Write two main advantages and two ill-effects of constructing a big dam

65. Why is replenishment of forests necessary?

66. List four changes you would incorporate in your life style in a move towards sustainable use of available resources.

67. Name a bacteria found in human intestine?

68. Which is the easiest method to detect water pollution?

69. A person lives near a forest. Enlist 4 items, which he can get from forests to meet his daily needs.

70. Why are forest called “biodiversity hot spot”?

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