Biology Ch 12 Class 12 Major Ecosystems

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Desert ecosystem of Mianwali is

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Annual rainfall in grass land i

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One of the most important cause of desertification is

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Zone of lake water which is of open water near the surface is

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Which statement about hydrospheric ecosystem is incorrect?

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Temperature of temperate deciduous forests is

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Weather refers to

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Evolution of vascular bundles in plants and skeleton in animals is an adaptation for

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Which statement is incorrect?

 

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In which zone plant community is most diverse

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Mountains of Koh Hindukush come under

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In polluted lake which organisms dominate the community

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Productivity of an ecosystem is indicated by

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Coniferous forests located at high altitude are called

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Eutrophication is

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Development of bark in plants and skin in animals is a method for

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Which statement about profundal zone is correct?

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Ecosystem of Shogran is

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End of earth’ is related to

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