Class-5 Environmental science ("Slot-2 Revision Questions")

 EVENTS CONVENT H. SCHOOL

70, LALA LAJPAT RAI COLONY, BAGH DILKUSHA BHOPAL

SLOT-2 REVISION QUESTIONS
 Environmental science
class-5

_____________________________________________ 

1.      Give One words of the following:-a

a       You get insatant energy when you drink this     -Glucose

b      Insect eacting plant        -Pitcher Plant.

c       These animals feed on dead bodies                            -Scavangers

d      The living organism produce their own food              -Autotrophse

e       A green pigment found in Plants  -Chlorophyll

f       Taste bud on our tongue inform us about -taste

g      Plants get carbon dioxide from the -Air

 

2.      Fill in the blanks:-

a.       Forest is full of trees  and plants.

b.      Chipko movement garhwal Himalayas saved thousand of trees.

c.       Fertilizers are added to the soil to restore its essential nutrients.

d.      A famine results either due to Natural or man made causes.

e.       Petroleum  is a dark colored thick crude oil.

f.       Like coal, petroleum takes  million  of years in their information.

g.      Our Nose help us to breathe.

h.      Lungs  Contract when we breathe out.

3.      Match the following:-

a.       Rearing of fish and sea animals          -          Pisiculture.

b.      Crops not grown for food                   -           Cash Crops.

c.       Raising of Chicken and ducks           -           Poultry farming.

d.       Most of the time we are                     -           Not conscious about our breathing.

e.       While running we use                         -          More energy than we normally do.

f.       On a cold day, we                               -           Blow on our hands insede them.

g.      When we breathe out,                         -           The lungs queeze out the air.

 

4.      Tick the correct option :-

a.       A large area of land thickly covered with trees and growing plants is called

                                       i.      Pasture                                    ii.Forest(√)

b.      These parts of trees hold the soil particles together and thus prevent soil erosion.

                                       i.  Roots(√)                                       ii.Fruits

c.       Scared groves in tamil nadu are called

                                       i.      Kovil dadu(√)                         ii.Deo bhumi

 

5.      Write True of Flase of the following:-

a.       Forest play a major role in making the air clean                                                      True.

b.      Historically the forest dwellers and tribes had absolute right over the forest and forest produce.                                                                                                                        True.

c.       We breathe faster immediately before running or doing some physical exercise    True.

d.      We breathe in oxygen                                                                                                True.

e.       We  can see clounds of mist coming out of our mouth on a hot day                        False.

f.       A normal individual breathes about 12 to 15 times in a minute                               True.

g.      Lips helps us to breathe                                                                                             False.

 

6.     Draw a Diagram of Tongue,Photosynthesis

 

7.     Write answer the following questions:-

Que-1 What is Digestion?

Ans-1  Digestion is a process in which complex food we eat is broken down into simple soluble substances. Our body is able to use theses substances.

 

Que-2 What is injected into patient’s blood suffering from dehydration?

Ans-2 Glucose injected into patient’s blood while patient is sufferting from dehydration.

 

Que-3 How do plants get food?

Ans-3 Plant get water and nutrients from the earth and carbon dioxide from the air.

 

Que-4 What is the importance of forests?

Ans-4 The Importance of forests are :

1.The forests are source of fruits, medicines, firewood and many other useful things.

2.Forest provide shelter to wild animals.

3.Forest Play a major role in making the air clean.

4.Forest are home to many tribal people .

Que-5 Name some of the tribes of India?

Ans-5 The Tribes of India are Bhils, Gonds, Khasis, and Mizos they are called adivasis which means first inhabitants.

Que-6 How do the forest People depend on forests and their products for their livelihood?

Ans-6 The forest provide tribes with food, fuels, fodder, medicines, shelter and clothing for many of these tribes, collecting and selling forest products.

Que-7 Why do farmers prefer to grow commercial or cash crop?
Ans-7 The fetch a much higher price in the market compared to the food crops. Hence more and more farmers prefer to grow cash crops.

Que-8 Why does food get spoiled?

Ans-8 Food items get spoiled due to the combined action of gems and bacteria..

Que-9 What are fossil fuels?
Ans-9Crude oil, Coal and nautral  gas are commonly known as fossil fuel.

Que-10 How is petroleum obtained from the earth’s crust?
Ans-10 Crude oil and petroleum is obtained by drilling holes called oil wells into the earth’s crust. The petroleum so obtained  is sent to an oil refinery for processing. Here, from crud Petroleum, Petrol, Kerosene, Diesel, Fuel oil and paraffin wax, etc are obtained.

 

Que.11 What is breathing?

Ans.11 Breathing is a natural process of taking in oxygen and giving out carbon dioxide.