Class-4 Environmental science Chapter-4 THe Trees.

             EVENTS CONVENT HIGH SCHOOL

Environmental SCIENCE
Class-4
CHAPTER-9
THE TREES

 

 New words

1. Medicines

2. Greenery

3. Laburnum

4. Magnolia

5. Fragrance

6. Branches

7. Hyacinth

8. Allergy

9. Fertility

10. Sapling

11. Municipal authorities

12. Department

13. Tribals

14. Environmentalists

15. Exploited

Answer the following questions:-

Que-1 What is the importance of plants for us?

Ans-1 Trees and plants not only make our surroundings green but also purify air. Trees provide us with many useful things like fruits, medicines, etc.

Que-2 Name some plants that are planted for decoration?

Ans-2 Roses, Pansy, Jasmine, marigold ,money plant,Ashoka and rubber trees are planted for decoration.

Que-3 Give some uses of Magnolia tree?

Ans-3 Magnolia tree bears white or pink flowers with a sweet fragrance. Beautiful fragrant flower of magnolia are used for worship and wood of this tree is used in making furniture.

Que-4 What are wild Plants? Give example.

Ans-4 The plants that grow themselves and nobody seems to take care of them except nature. Are called wild plants. Weeds , water hyacinth  and daisy are example of wild plants.

Que-5How do the tribals living in forests help in protecting  forest?

Ans-5 Tribals that live in forests . they use plant products of a certain area of a short period and then they leave the place and shift to some another  place. In this way, that area maintains its natural balance.