EASY
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The destruction of any of the factors of an ecosystem affects the ecosystem adversely.

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Important Questions on Forests: Our Lifeline

HARD
Which of the following is incorrect pair regarding cyclomorphosis in Daphnia?
MEDIUM
Assertion (A): In brackish water, stenohaline animals are abundant
Reason (R): Brackish water animals can withstand wide fluctuations in salinity
EASY
Write the name of any one insect which acts as scavenger?
EASY
Microorganisms act upon the dead plants to produce _____.
MEDIUM
Explain why there is a need of variety of animals and plants in a forest. 
EASY
_____ is extracted from the seeds of plants such as mustard.
EASY
Bacteria are examples of _____.
MEDIUM
A food chain always begins with:
EASY
_____  is an example of a scavenger. (Bear/Vulture)
EASY
Explain the role of forest in maintaining the balance between oxygen and carbon dioxide in the atmosphere.
EASY
Explain how animals dwelling in the forest help it grow and regenerate.
EASY
Why should we worry about the conditions and issues related to forests far from us? 
MEDIUM
Which of these is not made up of minerals?
MEDIUM
In given figure, the artist has forgotten to put the labels and directions on the arrows. Mark the directions on the arrows and label the diagram using the following labels:
Clouds, rain, atmosphere, carbon dioxide, oxygen, plants, animals, soil, roots, water table.
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EASY
Consumers cannot make their own food.
EASY
What is humus? How is it formed?
EASY
Explain how forests prevent floods.
EASY
List five products we get from forests?
EASY
What are decomposers? Name any two of them. What do they do in the forest?
EASY
Microorganisms act upon the dead plants and animals to produce _____.