Special Test-1 Class: Five
Subject: Elementary Science (Chapter 1-4)
Time:1 hour15mins Marks:50
1.Fill in the gaps: 1×10=10 a) Plants are also used as shelter by the ---.
b) Human needs shelter, furniture, clothes, appliance etc.---.
c) --- has severe mental effect on human health.
d) Raising public awareness is one of the best ways to conserve our ---.
e) The change of state from a gas to--- is called condensation.
f) --- are also good practices to keep air clean.
g) Carbon di oxide is used in fire ---.
h) Water helps animals to --- food.
i) Picking up trash at the --- helps keeping water clean.
j) Effects of soil pollution are decreased soil---.
2.Matching: 2×5=10 a) Hospital waste disposal
b) Cause of acid rain c) Pollination d) Oxygen
e) Bleaching powder
bird and bee
soil and water pollution squirrel
air pollution for boiling water respiratory patients safe water
3.Short answered questions: 2×6=12 a) Write two ways to prevent air pollution.
b) Write the name of gas which is used for food preservation & one use of it.
c) Give two examples of unsafe water.
d) After rain, there is a puddle on the ground. where has the water gone?
e) Write the two ways of environmental conservation.
f) What is eco-system?
4.Descriptive answered question: 6×3=18 a) What is food web? What are the differences between food chain and food web? Write one examples of food chain.1+4+1
b) Write two sources of water. Explain the necessities of water in plant life. 2+4
c) What are the causes of air pollution? How does recycling help to reduce air pollution?2+4
