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Class 9 Exam  >  Class 9 Tests  >  Olympiad Test: Natural Resources- 2 - Class 9 MCQ

Olympiad Test: Natural Resources- 2 - Class 9 MCQ


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10 Questions MCQ Test - Olympiad Test: Natural Resources- 2

Olympiad Test: Natural Resources- 2 for Class 9 2024 is part of Class 9 preparation. The Olympiad Test: Natural Resources- 2 questions and answers have been prepared according to the Class 9 exam syllabus.The Olympiad Test: Natural Resources- 2 MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Natural Resources- 2 below.
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Olympiad Test: Natural Resources- 2 - Question 1
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Photochemical smog is formed by

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Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities. It tends to occur more often in summer, because that is when we have the most sunlight.
Olympiad Test: Natural Resources- 2 - Question 2
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In the atmosphere, the layer above the troposphere is

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The stratosphere starts just above the troposphere and extends to 50 kilometers (31 miles) high. The ozone layer, which absorbs and scatters the solar ultraviolet radiation, is in this layer.
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Olympiad Test: Natural Resources- 2 - Question 3
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Biogas generation is mainly based on the principle of

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Biogas generation is mainly based on the principle of biodegradation. Biogas is a type of gas which is produced from the decomposition of any biodegradable waste by various bacteria. It results the formation of methane.
Olympiad Test: Natural Resources- 2 - Question 4
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The death of the last individual of a species is called
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Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point.
Olympiad Test: Natural Resources- 2 - Question 5
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In a natural ecosystem, decomposers include
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In a natural ecosystem, decomposers include only bacteria and fungi.

Olympiad Test: Natural Resources- 2 - Question 6
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Which of the following soil is the best for plant growth?
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Loamy soil is the best soil for the proper growth of the plants.
Olympiad Test: Natural Resources- 2 - Question 7
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__________ is the major raw material for biogas
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Cattle dung has been recognized as the chief raw material for bio-gas plants, other materials like night-soil, poultry litter and agricultural wastes can also be used.
Olympiad Test: Natural Resources- 2 - Question 8
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Sanctuaries are established to ______
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There are 553 wildlife sanctuaries in India. The aim is to provide a comfortable and peaceful habitat for birds and animals. The wildlife sanctuaries are established to protect the endangered species.
Olympiad Test: Natural Resources- 2 - Question 9
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Red Data Book provides a list of
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The Red data book is the state document established for documenting rare and endangered species of animals, plants and fungi. This book provides central information for studies and monitoring programmes on rare and endangered species and their habits.
Olympiad Test: Natural Resources- 2 - Question 10
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SPM includes
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Suspended Particulate Matter (SPM)are finely divided matter particles that cause aur pollution. They may be dispersed into air by combustion or industrial processes. Dust, soot and smoke, flyash are all Suspended Particulate Matter.
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