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Question 1:

____________ is always larger than a __________. The former contains many of the latter.

A )
B )
C )
D )

Question 2:

________ provide us benefits that directly or indirectly support our survival and quality of life. They help to maintain balance in nature.

A )
B )
C )
D )

Question 3:

 Living things are interlinked with each other for their nutritional requirements. Based on this, they are grouped as ____________.

A )
B )
C )
D )

Question 4:

 _________ is the life supporting zone of Earth, where litosphere,atmosphere, and hydrosphere meet and interact.

A )
B )
C )
D )

Question 5:

 Earth has experienced ____ major extinctions, and we are currently experiencing the ____ one.

A )
B )
C )
D )

Question 6:

 _______ is necessary for our existence, as it forms the life support system of our planet and its inhabitants

A )
B )
C )
D )

Question 7:

 _________ acts as the life support system of our planet, and is the strong link between our well-being and our sustainable future.

A )
B )
C )
D )

Question 8:

 An ecosystem consists of _________ and ___________ factors.

A )
B )
C )
D )

Question 9:

 Every living organism, no matter how big or small has a crucial role to play in maintaining ______ on our planet Earth.

A )
B )
C )
D )

Question 10:

Earth is made up of four spheres ____________.

 

A )
B )
C )
D )
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