EASY
8th ICSE
IMPORTANT
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The flow of energy in a food chain is .

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Important Questions on Ecosystems

EASY
8th ICSE
IMPORTANT
Learning Elementary Biology for Class 8>Chapter 3 - Ecosystems>TEST YOURSELF>Q I
The network of interconnected food chain is called a_____
MEDIUM
8th ICSE
IMPORTANT
Learning Elementary Biology for Class 8>Chapter 3 - Ecosystems>TEST YOURSELF>Q I

Write the aquatic organisms in order of who eats whom and form a chain of at least four steps:
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EASY
8th ICSE
IMPORTANT
Learning Elementary Biology for Class 8>Chapter 3 - Ecosystems>TEST YOURSELF>Q I
Increase in concentration of _____ gas has led to global warming.
EASY
8th ICSE
IMPORTANT
Learning Elementary Biology for Class 8>Chapter 3 - Ecosystems>TEST YOURSELF>Q I
Which of the following belong to abiotic components of the environment?
EASY
8th ICSE
IMPORTANT
Learning Elementary Biology for Class 8>Chapter 3 - Ecosystems>TEST YOURSELF>Q II
Green plant respire by taking both carbon dioxide and oxygen.
EASY
8th ICSE
IMPORTANT
Learning Elementary Biology for Class 8>Chapter 3 - Ecosystems>TEST YOURSELF>Q II
The ultimate source of energy for all organisms is the green plant.
EASY
8th ICSE
IMPORTANT
Learning Elementary Biology for Class 8>Chapter 3 - Ecosystems>TEST YOURSELF>Q II
The interaction of living organisms with the non-living environment constitutes the ecosystem.
EASY
8th ICSE
IMPORTANT
Learning Elementary Biology for Class 8>Chapter 3 - Ecosystems>TEST YOURSELF>Q III

Define the following term

Biosphere