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4.  Under favourable conditions, the seed coat becomes hard and
                              breaks.

                          5.  Onion is a stem that grows under the ground.

                          6. Seeds of Xanthium may be dispersed by animal fur and human

                              clothes.


                    C.  Match the following.

                              Column A                                          Column B

                          1. Sycamore                                      (a) Reproduction from roots

                          2.  Squirting cucumber                           (b)  Reproduction by stem cutting


                          3. Dahlia                                         (c)  Dispersal by explosion

                          4. Bryophyllum                                   (d)  Dispersal by water

                          5.  Lotus fruit                                  (e)  Reproduction from leaves

                          6.  Sugar cane                                    (f)  Dispersal by wind


                    D. Tick () the correct answer.

                          1.  Which of these provide(s) food to the seedling initially?


                              (a) Cotyledons                                (b)  Seed coat
                              (c) Roots                                      (d)  None of the above


                          2.  Which of these plants has leaves that can give rise to new plants?

                              (a) Rose                                      (b)  Sugar cane

                              (c) Mango                                      (d)  None of the above


                          3.  The fruits of coconut plants are dispersed by ____________.

                              (a) water                                     (b)  wind

                              (c) animals                                   (d)  explosion

                          4.  The seeds of cotton are dispersed by ____________.

                              (a) water                                     (b)  wind

                              (c) animals                                   (d)  explosion





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