Biology Ch 13 Class 12 Man and His Environment
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Hot substance is escaped from inside the earth in the form of
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Grassland of Argentina is:
NUMS 2015BiologyMan and His EnvironmentElimination Tool:
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Process that supplies food to living things through decaying and decomposition is called
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The productivity of aquatic ecosystem is determined by:
NUMS 2016BiologyMan and His EnvironmentElimination Tool:
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Water constitutes –% of body weight?
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The animals that feed on organic debris from decomposing plants and animals are called:
NUMS 2018BiologyMan and His EnvironmentElimination Tool:
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An area previously supporting life is made barren, the subsequent recolonization is called ______.
UHS 2018BiologyMan and His EnvironmentElimination Tool:
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The actual or preserved remains of the organisms that lived in the ancient past are called:
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Which of the following is not correct for food web?
NUMS 2019 CancelledBiologyMan and His EnvironmentElimination Tool:
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In a forest, there are a lot of plants; trees, shrubs, and herbs. What will the Palm trees face if they grow in the same forest?
NTS 2019BiologyMan and His EnvironmentElimination Tool:
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Endangered species are
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Wind blows from area of
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Wild life refers to
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Overgrazing results in:
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Which statement is true?
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Hydroelectricity is generated by using ______ of falling water.
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In oceans of tropical regions
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The position of an organism in a food chain of an ecosystem called:
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In air % of oxygen and carbon dioxide is
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In air nitrogen is
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Total area of the world under cultivation is
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Study of environmental relations is called:
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Which of the following statements is true about Savannah?
NTS 2015 DUHS and JSMUBiologyMan and His EnvironmentElimination Tool:
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Geothermal energy is
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When resources gets scarce, the population growth?
PMC Practice 1BiologyMan and His EnvironmentElimination Tool:
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Conversion of ammonium into nitrates is:
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Greenhouse gases are those that:
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Flow of energy in an ecosystem is:
NUMS 2014BiologyMan and His EnvironmentElimination Tool:
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Process ensuring the survival of species over long periods of time, even though individual members of the species die.
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Driving force for all the cycles in ecosystem is
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Which of the following trophic levels has the largest biomass in ecosystems?
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Tides are caused by
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Study of human population and things that affect them is
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Which one is a non-renewable resource?
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Which of the following describes an ecological niche?
NTS 2015 SMBBMCBiologyMan and His EnvironmentElimination Tool:
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Balance in the nutrient cycle can be upset when
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In nitrogen fixation, nitrogen is converted to:
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