Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Environmental Issues

Short Answer Type

61. How are solid waste disposed by the use of saniitary landfills? Why is it not

133 Views

Long Answer Type

62. What measures are taken for disposal of solid wastes ?

215 Views

Short Answer Type

63. What is reforestation ?

Reforestation involves the replanting or regeneration of areas of forest which have previously been damaged or destroyed. It is the process of restoring a forest that once existed but was destroyed at some point of time. It may occur naturally or can be speeded up by planting trees keeping in mind the biodiversity that existed there.

124 Views

Long Answer Type

64.

Discuss the causes and effects of global warming. What measures need to be taken to control global warming?

477 Views

Short Answer Type

65. A decade back, the enormous vehicular traffic in Delhi had made Delhi rank 4th among polluted cities of the world. Two measures taken by the Delhi Government brought marked improvement in air quality by 2005.
1.What were these two measures and how did they reduce air pollution ?

2. What is the norm set by Euro II for petrol and diesel vehicles ?

134 Views