Page 101 - IT 402 v2.0 class 10
P. 101

v.  repairing leaking taps and pipes to avoid wasting water.
                  vi. sorting and treating garbage before disposing of.

               8.  Explain the importance of education towards sustainable development.                      [NCERT]
             Ans.  Education is the most important factor for sustainable development. Children who have gone to school will be
                  able to do jobs so that they can take care of themselves and their families. Education helps us become aware of
                  our role as a responsible citizen. We should
                  i.  use the facilities present in our areas.
                  ii.  take our friends to school.
                  iii. help friends study.
                  iv. stop friends from dropping out of school.
                9.  Give any one practice/sustainable process that is being used to help preserve the environment.
                                                                                             [CBSE Sample Paper, 2022]
             Ans.  One such practice is organic farming/vermicomposting, etc.

               10.  Give an example of large scale production of solar power in India.       [CBSE Sample Paper, 2022]
             Ans.  Charanka - Gujarat Solar Park
               11.  ‘Reduced Inequalities’ is one of the sustainable development goals set by the UN. Give any two ways to reduce
                  inequalities.                                                              [CBSE Sample Paper, 2022]
             Ans.  Two easy to reduce inequalities are as follows:
                      Be helpful to one another.
                    Be friendly with everyone.

            B.  Application based questions:
                1.  Smarta lives  in a remote area  where  there is  scarcity of water.  Suggest any one measure that  will help her
                  conserve water.
             Ans.  Rain water harvesting
                2.  Rajan is a farmer. Due to prolonged use of fertilisers and pesticides in his farm, the soil has lost its natural texture
                  leading to infertile soil. Suggest one way to get back soil fertility.
             Ans.  Crop rotation


            Unsolved Exercise



                                                            Section A
                                                   (Objective Type Questions)

            A.   Multiple choice questions:
               1.  Choose the option which is not a sustainable development goal according to United Nations.
                  i.   Clean Water and Sanitation                  ii.  Gender Equality

                  iii.  Population                                 iv. Reduced Inequalities
               2.  Which of the following is not an example of sustainable development?
                  i.   Wind energy                                 ii.  Solar energy
                  iii.  Rain water harvesting                      iv. Environmental degradation
               3.  Over the years, with economic development, there has been an increase in ................................ .

                  i.   Water Pollution                             ii.  Air Pollution
                  iii.  Noise Pollution                            iv. All of these


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