Page 255 - New Medley 5 Semester 2
P. 255

Check Your Study




          A.  Tick () the correct answers.
               1.  An earthquake is measured on a

                  (a)  Metre scale                              (b)  Richter scale

                  (c)  Celsius                                  (d)  Copper scale


               2.   e molten rocks under the earth’s crust are called
                  (a)  Magma                                    (b)  Lava
                  (c)  Seismograph                              (d)  Vent


               3.  Floods are caused due to
                  (a)  No rains                                 (b)  Continuous rains

                  (c)  Continuous heavy rains                   (d)  Waterlogging

               4.  Droughts can be prevented by


                  (a)  A orestation
                  (b)  Deforestation

                  (c)  Rainwater harvesting


                  (d)  A orestation and rainwater harvesting

          B.  Match the following.
                   Column A                                        Column B

               1. Tsunami                                    (a) Lava

               2. Earthquake                                 (b) Deforestation
               3.  Floods                                    (c)  Absence of rains for a long period

               4. Drought                                    (d) Tidal waves

               5.  Volcano                                   (e)  Shaking of the earth’s surface

          C.  Answer these questions.

               1.  What is an earthquake?

               2.  What is a volcano? Name some active volcanoes.

               3.  What are the e ects of tsunami?


               4.  De ne  ood. Why are  oods caused?



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