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CBSE Class 6  >  Class 6 Test  >  Science  >  Important Questions Test: Nature’s Treasures - Class 6 MCQ

Nature’s Treasures - Free MCQ Test with solutions, Class 6 Science


MCQ Practice Test & Solutions: Important Questions Test: Nature’s Treasures (15 Questions)

You can prepare effectively for Class 6 Science for Class 6 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Important Questions Test: Nature’s Treasures". These 15 questions have been designed by the experts with the latest curriculum of Class 6 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 15 minutes
  • - Number of Questions: 15

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Important Questions Test: Nature’s Treasures - Question 1
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Which of the following best defines natural treasures?

Detailed Solution: Question 1

Natural treasures are the resources provided by nature, such as air, water, and soil, which are vital for the survival of all living beings.

Important Questions Test: Nature’s Treasures - Question 2
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What happens if we hold our breath for too long?

Detailed Solution: Question 2

Holding our breath too long prevents sufficient oxygen from reaching our body, which can affect our ability to function properly.

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Important Questions Test: Nature’s Treasures - Question 3
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Which gas is the most abundant in the Earth's atmosphere?

Detailed Solution: Question 3

- The Earth's atmosphere is primarily composed of gases, with nitrogen being the most abundant at about 78%.
- Oxygen follows at around 21%, which is essential for life.
- Carbon dioxide, while important for the greenhouse effect, constitutes only about 0.04% of the atmosphere.
- Helium is a trace gas, making up less than 0.0005%, and is not significant in terms of abundance.
- Thus, nitrogen is crucial as it helps maintain atmospheric pressure and supports various biological processes.

Important Questions Test: Nature’s Treasures - Question 4
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Why is freshwater considered a valuable resource compared to saltwater?

Detailed Solution: Question 4

Freshwater is essential for human consumption, agriculture, and various industries, unlike saltwater, which is not suitable for these purposes.

Important Questions Test: Nature’s Treasures - Question 5
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Which of the following is NOT a typical use of water in daily life?

Detailed Solution: Question 5

Water is used for drinking, cooking, cleaning, and agriculture; it does not generate sunlight.

Important Questions Test: Nature’s Treasures - Question 6
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What is rainwater harvesting?

Detailed Solution: Question 6

Rainwater harvesting involves collecting and storing rainwater so that it can be used later, helping to conserve water.

Important Questions Test: Nature’s Treasures - Question 7
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Which of the following is a direct use of the Sun’s energy?

Detailed Solution: Question 7

A direct use of the Sun’s energy means using sunlight itself without converting it into some other form of energy first.

Let's Check the Options:

  • a) Heating water in a solar water heater – This directly uses sunlight to heat water. The solar heater absorbs the Sun’s rays and converts them into heat directly.
  • b) Filtering polluted air – This is not a direct use of sunlight; it’s a process done by machines or plants.
  • c) Growing crops without water – Crops still need water, and photosynthesis uses sunlight, but the term “without water” makes this option impossible.
  • d) Extracting minerals from soil – This usually involves mining or chemical processes, not directly sunlight.

So, the direct application is heating water.
Correct Option: A

Important Questions Test: Nature’s Treasures - Question 8
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Why are forests often called the "lungs of the Earth"?

Detailed Solution: Question 8

Forests produce oxygen through photosynthesis and absorb carbon dioxide, thereby playing a vital role in maintaining the Earth’s air quality.

Important Questions Test: Nature’s Treasures - Question 9
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Which of the following resources is considered renewable?

Detailed Solution: Question 9

Renewable resources like air, water, and sunlight are naturally replenished, whereas fossil fuels and minerals are non-renewable.

Important Questions Test: Nature’s Treasures - Question 10
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What distinguishes renewable resources from non-renewable resources?

Detailed Solution: Question 10

Renewable resources, such as air and water, can be replenished naturally, while non-renewable resources like fossil fuels and minerals are finite.

Important Questions Test: Nature’s Treasures - Question 11
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Which of the following is an example of a non-renewable resource?

Detailed Solution: Question 11

Non-renewable resources are natural resources that cannot be replaced in a short period of time. Once they are used, they may take millions of years to form again.
Coal is formed deep inside the Earth from dead plants over a very long time. So, we cannot replace it quickly and it is non-renewable.

Important Questions Test: Nature’s Treasures - Question 12
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What role do natural resources play in our daily lives?

Detailed Solution: Question 12

Natural resources such as air, water, soil, and sunlight are fundamental for life as they support our energy needs, food production, and overall well-being.

Important Questions Test: Nature’s Treasures - Question 13
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What is one major environmental impact of burning fossil fuels?

Detailed Solution: Question 13

Burning fossil fuels releases smoke and carbon dioxide, contributing to air pollution and climate change.

Important Questions Test: Nature’s Treasures - Question 14
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What is considered the main source of energy for all living beings on Earth?

Detailed Solution: Question 14

Sunlight is the primary source of energy on Earth, driving processes like photosynthesis in plants, which forms the base of most food chains.

Important Questions Test: Nature’s Treasures - Question 15
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Which gas in the atmosphere is essential for respiration in living organisms?

Detailed Solution: Question 15

- Oxygen is the gas that living organisms require for respiration.
- During respiration, oxygen is used to convert glucose from food into energy.
- This process also produces carbon dioxide as a byproduct, which organisms expel.
- While nitrogen and argon are abundant in the atmosphere, they do not participate in respiration.
- Carbon dioxide is important for plants in photosynthesis, but it is not used for energy production in animals.

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About this Class 6 Practice Test

This test contains 15 MCQs on Important Questions Test: Nature’s Treasures with detailed solutions for each question. It is part of the Science for Class 6 course on EduRev, designed to align with the current Class 6 syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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