EVENTS CONVENT H. SCHOOL
70, LALA LAJPAT RAI COLONY, BAGH DILKUSHA BHOPAL
SLOT-2 REVISION QUESTIONS
Environmental Science
class-4
1.
Answer the following questions:-
Question -1 What do you
need to play and have fun?
Answer-1 Play still it our imagination helping to adopt and
solve problems sharing laughter and fun can foster empty compassion trust and
intimacy with other.
Question -2 Why do we
need to follow rules while playing?
Answer-2 Rules help us to play a game in a fair manner and
decide right and wrong in case of of any disagreement.
Question -3 Write different types of root?
Answer -3There are mainly two types of roots tap root and
fibrous roots.
Question -4 What is
water pollution?
Answer-4 Fouling of water by human activities is called
water pollution.
Question-5 Kinds of
diseases does polluted water cause?
Answer -5 Various diseases in the body of human being such
as diarrhoea typhoid Cholera dysentery hepatitis and jaundice.
Question-6 What is
potable water?
Answer-6 Water suitable for drinking is called potable
water.
Question-7 What do you
understand by waste?
Answer-7 Anything that is rejected or discarded is called
waste or garbage.
Question -8 How can we
manage waste?
Answer -8 The must take some steps to control the
generation of waste reduce , reuse, recycle, and replace.
Question -9 What are
nocturnal animals?
Animals-9 That are active at height are called nocturnal
animals.
Question-10 Why do
birds build nests?
Answer-10 Birds build their nest they choose a place for
there nest carefully it has to be saved to hatch eggs different birds build
different types of nests.
Questio-11 What is
currency?
Answer -11 A system of money is generally used in a
particular country is called currency.
Question -12 Who
issues the notes in India?
Answer-12 The reserve Bank of India has the the sole
authority to issue notes in India.
Question 13 Why do we
need to travel?
Answer-13 we need to travel for search of job or study.
2.
Fill in the blanks
a.
All work and no play
makes a person dull
b.
Kites are available in different shapes and sizes
c.
40% of the world's land is covered with trees and grass
d.
Aeral part is called epiphyte
of a plant.
e.
Salt is removed from impure water to make it drinkable.
f.
Polluted water
contains germs that cause various diseases in human beings
3.
Give two examples of each of the following
a.
Roots that we eat
i. Potatoes, gevel, garlic
b.
Plants with fibrous
roots
i. Wheat, rice, grass
c.
Non biodegradable
waste
i. Plastic , glass
d.
Waste from market
i. Plastic bags, tin
4. Define the following term :
1) Chlorination -Chlorine is added to disinfect the water and kill the
germs present in it.
2) Rainwater -harvesting:- Rain water,
the main source of water can be
conserved through rainwater harvesting is collected in tanks
and pass through filters to remove impurities.
5.
Choose the correct option:-
1) These items can be recycled
a.
left over food (.
)
b. paper. (√).
c.
cow dung (. )
d.
banana peel (. )
2) It is used to make manure:
a. cow dung (√)
b.
aluminium (. )
c.
glass (. )
d.
plastic bags (. )
6. Fill in the blanks
by unscrambling the jumbled words:
1) All work and no (play) makes a person dull.(lyap)
2) (kites) are available in different shapes and
sizes.
3) A (joker) entertained the audience with his
colourful rings and balls.
7. Write True and False
of the following:
A) Roots grow under the ground. (True).
B) Roots do not prevent washing away of soil during heavy
rain.(False).
C) Glass is a biodegradable waste material . (False)
D) use disposable plates for your birthday party (False)
8. Circle the odd one in each group
1. Woodpecker owl
kingfisher.
2. Tiger elephant
giraffe.
3. Monkey Earthworms leopard.
9. Name any two of the
following:
1. Land Animals -
Lion Tiger
2. Amphibians - Toads
Frogs
10.Name the places of shelter
of the following animals:
1. Lion – Den 2.Rabbit-Burrow 3.Monkey-Tree 4.Snake-Hole
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Thank your for your valuable responce.
Mrfarooqui