Importance of plant

IMPORTANCE OF PLANTS
EXTRA QUESTIONS ANSWER
Q1.Who are known as the air purifier?
Ans:Plants are  known as the air purifier.
Q2.What is deforestation?
Ans: Reckless cutting down of trees is called deforestation.
Q3.What is afforestation?
Ans: Planting large number of trees is called afforestation.
Q4.What is soil erosion?
Ans: Removal of top soil by air or water   is called soil erosion.
Q5.Which gas is necessary for breathing?
Ans: Oxygen  gas is highly necessary for breathing.
Q6.What is Vanmahotsav?
Ans: Vanmahotsav is  a festival of planting trees and  creating  awareness among  the people of  India
Q7.When do Vanmahotsav is celebrated in India?
Ans: Vanmahotsav is celebrated from 2nd July to 9th July for one week in India.
Q8.Who   initiated Vanmahotsav in India?
Ans:Dr K.M.Munish  the Union Minister of Food and agriculture had initiated Vanmahotsav in 1950 in India.
Q9.Write five  ornamental plants.
Ans: Five Ornamental plants are:
1)Marigold 2)jasmine  3)Moon beam 4)rose 5)Cactus.
Text Book Question Answer

QA.Fill in the blanks:
1.Plants are  helpful to us in many ways.
2.Garlic and ginger plants are also used to make  Spices &medicines
3.Plants give out  oxygen gas during day time.
4.People who cut down trees should be punished
5.All living things needs oxygen gas for  breathing
B.Write true or False for the following statements.
1.We must protect plants to survive on the earth.               True
2.Fallen leaves can be burnt.                                                     False
3 We should encourage deforestation                                    False
4.Only a few of us need to try to increase the number of plants and tree                                                                                                        False
5.Plants give us food only.                                                         False
QC.Tick the correct option
1.(b) plants  2.(b) wood     3.(a) fires.

D .Answer the following  questions in brief.
D1In which forms ,do we get food from plants?
Ans:We get food from plant in  the form of fruits, vegetables, pulses and grains.
D2.How do plants help the soil?
Ans:The roots of the plant hold the soil tightly and prevent soil erosion.
D3.What is deforestation? Is it good or bad for all of us?
Ans: Reckless cutting down of trees is called deforestation. It is
 Very bad for all of us because deforestation causes global warming,
soil erosion, irregular rainfall, desertification and many more.        
E1.List any four uses of plants.
Ans:Four uses of plants are-
i)Plant gives us food in form of fruits, vegetables, pulses &grains
ii)Leaves of plant are eaten as vegetable.
iii)Plants gives timber which can be used for making furniture.
iv) Rubber plant gives rubber.
E2. How do plants act as purifiers?
Ans: Plants absorbs harmful carbon dioxide gas and release very useful oxygen gas in the process of photosynthesis.
E3 .Suggest three ways that can help to conserve plants.
Ans: Plants can be conserve in the following ways:
i)                   By minimizing the uses of forest products.
ii)                By creating awareness among people to stop deforestation.
iii)              By planting more and more trees.




Value Based answer
Q1. State the values displayed by Neha and herFather.
Ans:The values  displayed by Neha and her Father are :
Ø Concern for  environment   
Ø  Responsible
Ø Love and caring
Ø Nature lover.
Q2.why ,do you think Neha’s mother appreciated the sapling as a gift?
Ans:Neha’s mother appreciated the sapling as a gift  because the sapling will grew into a big tree and will help  by giving fruit ,shade and purifying  the air.
Q3.Suggest  how one can take care of the saplings planted by him /her?
Ans: One can take care of saplings by watering regularly, adding manuer , removing the weeds and protecting from the grazing animals.
Q4.Think of more occasions when you can gift a sapling to some one.
Ans:We can gift a sapling  in the following occasions:
Ø To the  guest of  annual  function of a school, college and institutions
Ø To our friends on birthday
Ø To parents on marriage anniversary
Ø To public on Vanmahotsav

Ø To the employee on foundation day of the company or industries.

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