class iv science lesson 3 que-ans

       CLASS – 4, lesson-3  SCIENCE  EXERCISE

              D SECTION QUESTION AND ANSWER

Que 1 – State any two uses of flowers.      

Ans 1- (i)Some flowers have a very pleasant fragrance. These are used for making perfumes.Ex- Rose, jasmine, keora and lavender

(ii)Some flowers are used as medicines. Ex-Oil extracted from cloves

Que2 – How do green leaves help a bud?

Ans 2- The bud of a plant is generally covered with green leaves. These leaves protect the bud and help it to bloom into a flower.

Que 3 – Name two flowers which are eaten as vegetables.

Ans 3- Kachnar, banana and sahjan flowers are eaten as vegetables in many parts of India.

Que 4 – Name any three dry fruits. Write two ways in which they are used in our daily life.

Ans 4- Cashewnuts, almonds and walnuts are dry fruits. They are also used in preparing various dishes that are generally eaten        during the winter season.

E – SECTION QUESTION AND ANSWER

       Que 1 –Write five lines about flowers.

       Ans 1- (a) Flower is a colourful part of a plant.

       (b)  It generally has a pleasant fragrance.

       (c)   A flower develops from a bud.

       (d)  Flowers are used for decoration.  

       (e)   Flowers make fruits.

       Que2 – What do you understand by ‘seasonal flowers’? Give two        examples of seasonal flowers.

      

       Ans2-(a) Flowers that bloom in different seasons like in Spring, Summer, Autumn, Winter. In summer, chameli, motia, sada-     bahar, china rose and lily flowers        blooming whereas in winter,     dahlia, rose and chrysanthmum are some of the commonly    seen flowers.

      

       Que 3 – Write any two uses of fruits.

      

       Ans 3- Some fruits, like mango, lemon and strawberries, are also       used for preparing pickles, chutneys and marmalades.

      

       Que 4 – List the food preparations that can be made by using        mango fruit.

      

       Ans 4- Mangoes are used for preparing pickles, chutneys.

VALUE BASED QUESTION

       Que-1    Why did Rita’s mother object to the plucking of        flowers?

      

       Ans-1    we should take care of flowers and not pluck them        because they look very beautiful.

      

       Que-2    What does the above situation tell us about Rita’s        mother?

Ans-2    Because she is conscious for beauty of nature.

       Que-3    Suggest some ways to help the needy.

Ans-3    We can donate our old bag, shoes and books to a needy student.