This Set of Multiple choice questions and answers focuses on study of Human and Environment in Biology. These questions are chosen from a collection of most authoritative and best reference books on Biology. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Medicine industry job interviews. One should practice our Mcqs to assimilate knowledge on Human and Environment comprehensively.
Wild life
Forests
Natural gas
Land
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Food cycle
Nutrient cycle
Dead-live cycle
None of these
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Too much food is consumed
Not enough food is produced
Decayed nutrients are not returned to the ground
All of these
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57%
20%
79%
30%
Oxygen 20%, CO2 0.03%
Oxygen 50%, CO2 50%
Oxygen 30%, CO2 0.05%
Oxygen 25%, CO2 0.02%
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25-30%
70-90%
10-30%
30-50%
20% of total water is in the form of frozen ice caps
80% is in oceans
1% as fresh water lakes, streams and rivers
10% is in canals
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5%
11%
21%
31%
All plants of the world
All non cultivated plants
Non domesticated animals
Both b and c
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Dangerous for the life of humans
Reduced in number
Already extinct
All of these
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50
55
90
95
Dead plants?lignite?peat?coal
Dead plants?peat?lignite?coal
Dead plants?coal?lignite?ash
Dead animals?peat?lignite?coal
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Potential energy
Gravitational energy
Kinetic energy
All of these
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Water
Soil
Sun
Air
Gravitational pull of sun
Movements of large animals in water
Uneven water body floor
High winds
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