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Test: Nature’s Treasures - Class 6 MCQ


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10 Questions MCQ Test Science Class 6 - Test: Nature’s Treasures

Test: Nature’s Treasures for Class 6 2024 is part of Science Class 6 preparation. The Test: Nature’s Treasures questions and answers have been prepared according to the Class 6 exam syllabus.The Test: Nature’s Treasures MCQs are made for Class 6 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Nature’s Treasures below.
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Test: Nature’s Treasures - Question 1

Which gas, although being the most abundant in Earth's atmosphere, does not directly support combustion or respiration processes in living organisms?

Detailed Solution for Test: Nature’s Treasures - Question 1
Nitrogen, making up 78% of the atmosphere, is relatively inert and does not support combustion or respiration directly.
Test: Nature’s Treasures - Question 2

What method is used to make saline water from oceans and seas suitable for drinking or irrigation?

Detailed Solution for Test: Nature’s Treasures - Question 2
Desalination is the process used to remove salts and minerals from saline water to make it suitable for drinking or irrigation.
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Test: Nature’s Treasures - Question 3

Which of the following practices helps prevent soil erosion and maintain soil fertility?

Detailed Solution for Test: Nature’s Treasures - Question 3
Afforestation, the planting of trees, helps prevent soil erosion and maintains soil fertility.
Test: Nature’s Treasures - Question 4
What role does the Sun play in the Earth's water cycle?
Detailed Solution for Test: Nature’s Treasures - Question 4
The Sun provides the heat necessary for the evaporation of water from surfaces, driving the water cycle.
Test: Nature’s Treasures - Question 5
Which renewable resource is continuously cycled through natural processes such as the water cycle and photosynthesis?
Detailed Solution for Test: Nature’s Treasures - Question 5
Water is a renewable resource continuously cycled through natural processes like the water cycle and photosynthesis.
Test: Nature’s Treasures - Question 6
Which of the following resources is considered non-renewable and forms over millions of years from ancient plant and animal matter?
Detailed Solution for Test: Nature’s Treasures - Question 6
Coal is a non-renewable resource formed over millions of years from ancient plant matter.
Test: Nature’s Treasures - Question 7
Which type of forest conservation practice involves replanting trees in areas where forests have been cut down or destroyed?
Detailed Solution for Test: Nature’s Treasures - Question 7
Reforestation involves replanting trees in areas where forests have been cut down or destroyed.
Test: Nature’s Treasures - Question 8
Why is nitrogen considered crucial for plant growth, despite not being directly involved in respiration or combustion?
Detailed Solution for Test: Nature’s Treasures - Question 8
Nitrogen is crucial for plant growth because it is essential for the synthesis of proteins and other important biomolecules.
Test: Nature’s Treasures - Question 9
Which component of air, although present in a small percentage, is vital for the greenhouse effect and regulating Earth's temperature?
Detailed Solution for Test: Nature’s Treasures - Question 9
Carbon dioxide, though present in a small percentage, is vital for the greenhouse effect and regulating Earth's temperature.
Test: Nature’s Treasures - Question 10
What is the primary reason for the significant environmental impact associated with the use of fossil fuels?
Detailed Solution for Test: Nature’s Treasures - Question 10
The significant environmental impact of fossil fuels is primarily due to the release of pollutants and greenhouse gases during their combustion.
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