Noosphere is synonyms of

(1) Environment

(2) Atmosphere

(3) Hydrosphere

(4) Stratosphere

Subtopic:  Introduction |
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When biosphere turns into human-dominated environment it is called

(1) Noosphere

(2) Troposphere

(3) Mesosphere

(4) Man sphere 

Subtopic:  Introduction |
 55%
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The living organisms on or around the earth constitute

(1) Biome

(2) Biosphere

(3) Community

(4) Biocoenosis

Subtopic:  Introduction |
 75%
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Biosphere refers to 

(1) Plants of the world

(2) Special plants

(3) Area occupied by living beings

(4) Plants of a particular area

Subtopic:  Introduction |
 94%
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What is the correct sequence of atmospheric layers starting from earth

(1) Stratosphere troposphere, mesosphere, thermosphere

(2) Troposphere, stratosphere, mesosphere, thermosphere

(3) Mesosphere, troposphere, stratosphere, thermosphere

(4) Thermosphere, mesosphere, stratosphere, troposphere

Subtopic:  Air Pollution - Ozone |
 79%
From NCERT
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A biosphere is composed of 

1. Living organisms

2. Living organisms + Lithosphere

3. Living organisms + lithosphere + atmosphere

4. Living organisms + lithosphere + atmosphere + Hydrosphere

Subtopic:  Introduction |
 81%
From NCERT
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Which of the following is the non conventional source of energy

(1) Coal

(2) petroleum

(3) Electricity from nuclear power plants

(4) Solar radiations

Subtopic:  Introduction |
 56%
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The population of India is 15% of the world but its annual energy consumption is only

(1) 0.2%

(2) 2.0%

(3) 10%

(4) 25%

Subtopic:  Introduction |
 53%
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Petroleum resource is

(1) Renewable

(2) Non-renewable

(3) Synthetic & biodegradable

(4) Infinite & unconventional

Subtopic:  Introduction |
 86%
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The main aim of plant conservation is - 

(1) To conserve the necessary ecological activities and life-supporting systems

(2) To conserve species diversity and range of genetic material

(3) Both the above

(4) None of the above

Subtopic:  Introduction |
 83%
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