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SAI International School
                                             Subject- Biology, Class-VII
                                       Chapter- Respiration in Organisms
                                    Subtopic- Respiration in Human Beings
                                                       Module- 13
                                                  Home Assignment



               OBJECTIVE (MCQ)
               Q1     What is the function of the hair in the nose?

                      (a) To secrete mucus.
                      (b) To trap dust particles.
                      (c) To protect the mucus glands.
                      (d) To prevent germs from entering the lungs.
               Q2     Identify the labelled parts P, Q and R in the figure given below.



















                      (a)
                        P               Q                  R
                        Bronchus        Bronchiole         Alveolus

                      (b)
                        P               Q                  R
                        Trachea         Alveolus           Bronchus

                      (c)
                        P               Q                  R
                        Bronchus        Bronchiole         Diaphragm

                      (d)
                        P               Q                  R
                        Trachea         Alveolus           Diaphragm

               Q3     Carefully observe picture given below and identify the parts labelled as
                      C and D.




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