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Did you know sound travels almost 5 times faster underwater than in air.

Faith held solely is the begining of action- Anonymous

Class VII >> Science >> Forests - Our Lifeline >> A1

Q1	Forests cover __________ of the Earth's land surface.
A	One-third
B	Three-fourth
C	One-fourth
D	Half

Q2	Which of the following functions is served by the forests?
A	Help in Controlling Floods
B	Prevent Soil Erosion
C	Regulate the Climate of a Place
D	All of the Above

Q3	Dead leaves and animal droppings in a forest, enrich the __________.
A	Environment
B	Canopy
C	Soil
D	Water

Q4	Name the gas that is released by the animals during respiration.
A	Oxygen
B	Carbon Dioxide
C	Nitrogen
D	Hydrogen

Q5	Name the substance formed by the decomposition of leaves and animal tissues by microorganisms.
A	Manure
B	Humus
C	Fertiliser
D	Pesticide

Q6	Forests provide animals with __________.
A	Food
B	Shelter
C	Both of the Above
D	None of the Above

Q7	__________ are called consumers as they cannot produce their own food.
A	Plants
B	Animals
C	Bacteria
D	Fungi

Q8	Name the ultimate source of energy.
A	Green Plants
B	Wind
C	Moon
D	Sun

Q9	The green colours in the plants is an indication of the presence of __________.
A	Oxygen
B	Chlorophyll
C	Carbondioxide
D	Starch

Q10	Plants absorb water and minerals from the __________ through their roots.
A	Soil
B	Ozone
C	Atmosphere
D	Gravel

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