Page 22 - ICSE Science 3 : E-book
P. 22

EXERCISES




                    A.  Fill in the blanks.

                          1. All ____________ things are natural things.

                          2.  Living things get ____________ they need from food.

                          3.  Non-living things need to be ____________ or ____________ to move.

                          4. ____________ excrete oxygen and excess water through their leaves.


                          5.  Clothes and buildings are examples of ____________ non-living things.


                    B. Tick () the correct answer.

                          1.  Things around us can be categorised into ____________.
                              (a) four groups                 (b)  two groups               (c)  three groups

                          2.  Fish breathe through their ____________.

                              (a) gills                       (b)  lungs                    (c)  air holes

                          3.  A puppy grows into a ____________.

                              (a) lion                        (b)  cat                      (c)  dog

                          4.  Cockroaches and ants have ____________ to sense things around them.

                              (a) long legs                   (b)  long antennae            (c)  long tail

                          5.  Which of these is a natural non-living thing?

                              (a) Rocks                       (b)  Paper                    (c)  Table


                    C.  Write (T) for true and (F) for false statements.

                          1.  Non-living things depend directly or indirectly on plants for food.

                          2.  All living things have special structures to carry out breathing.

                          3.  Gums and resins are the waste products excreted by various parts
                              of trees.

                          4.  Roots of a plant grow upwards and its stem grows downwards.

                          5.  Non-living things do not feel and respond to the changes in the
                              surroundings.






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