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Class 5 Exam  >  Class 5 Tests  >  Science Class 5  >  Test: Our Environment - 1 - Class 5 MCQ

Test: Our Environment - 1 - Class 5 MCQ


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20 Questions MCQ Test Science Class 5 - Test: Our Environment - 1

Test: Our Environment - 1 for Class 5 2024 is part of Science Class 5 preparation. The Test: Our Environment - 1 questions and answers have been prepared according to the Class 5 exam syllabus.The Test: Our Environment - 1 MCQs are made for Class 5 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Our Environment - 1 below.
Solutions of Test: Our Environment - 1 questions in English are available as part of our Science Class 5 for Class 5 & Test: Our Environment - 1 solutions in Hindi for Science Class 5 course. Download more important topics, notes, lectures and mock test series for Class 5 Exam by signing up for free. Attempt Test: Our Environment - 1 | 20 questions in 20 minutes | Mock test for Class 5 preparation | Free important questions MCQ to study Science Class 5 for Class 5 Exam | Download free PDF with solutions
Test: Our Environment - 1 - Question 1
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What is the composition of air?

Detailed Solution for Test: Our Environment - 1 - Question 1
Air is a mixture primarily composed of nitrogen (78%), oxygen (21%), and small amounts of carbon dioxide, water vapor, and other gases.
Test: Our Environment - 1 - Question 2
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Which of the following uses air pressure in daily life?

Detailed Solution for Test: Our Environment - 1 - Question 2
A vacuum cleaner operates by creating a difference in air pressure, allowing it to suck in dust and dirt.
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Test: Our Environment - 1 - Question 3
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What is evaporation?

Detailed Solution for Test: Our Environment - 1 - Question 3
Evaporation is the process where liquid water turns into water vapor, which occurs when water is heated.
Test: Our Environment - 1 - Question 4
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What factor increases the rate of evaporation?
Detailed Solution for Test: Our Environment - 1 - Question 4
Wind speed helps in moving away the water vapor formed, thus increasing the rate of evaporation.
Test: Our Environment - 1 - Question 5
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Which of the following is NOT part of the water cycle?
Detailed Solution for Test: Our Environment - 1 - Question 5
Digestion is a biological process and is not related to the water cycle.
Test: Our Environment - 1 - Question 6
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What does 'environment' include?
Detailed Solution for Test: Our Environment - 1 - Question 6
The environment consists of both biotic (living) and abiotic (non-living) components that interact and support life.
Test: Our Environment - 1 - Question 7
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Why is a clean environment essential?
Detailed Solution for Test: Our Environment - 1 - Question 7
A clean environment is essential for maintaining good health for humans and other living organisms.
Test: Our Environment - 1 - Question 8
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Which of the following should we not do to save the earth?
Detailed Solution for Test: Our Environment - 1 - Question 8
Spilling chemicals in rivers pollutes water, harming aquatic life and humans.
Test: Our Environment - 1 - Question 9
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What happens to biodegradable waste?
Detailed Solution for Test: Our Environment - 1 - Question 9
Biodegradable waste breaks down naturally into simpler substances and eventually becomes part of the soil.
Test: Our Environment - 1 - Question 10
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What would happen if plastic bags were used without any restrictions?
Detailed Solution for Test: Our Environment - 1 - Question 10
The excessive use of plastic bags leads to land and water pollution as plastic is non-biodegradable.
Test: Our Environment - 1 - Question 11
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Which waste is considered non-biodegradable?
Detailed Solution for Test: Our Environment - 1 - Question 11
Non-biodegradable waste like plastic does not break down naturally and can harm the environment.
Test: Our Environment - 1 - Question 12
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What does the process of recycling involve?
Detailed Solution for Test: Our Environment - 1 - Question 12
Recycling involves converting waste materials like paper, glass, and plastic into new products, reducing waste production.
Test: Our Environment - 1 - Question 13
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What is the main purpose of vermicomposting?
Detailed Solution for Test: Our Environment - 1 - Question 13
Vermicomposting involves using earthworms to decompose organic matter and produce nutrient-rich compost.
Test: Our Environment - 1 - Question 14
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Which of the following is an example of reducing waste?
Detailed Solution for Test: Our Environment - 1 - Question 14
Reducing waste can be achieved by avoiding the use of non-reusable items like plastic bags and opting for reusable alternatives.
Test: Our Environment - 1 - Question 15
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What is the main constituent of biogas?
Detailed Solution for Test: Our Environment - 1 - Question 15

Biogas is primarily made up of methane, which is used as a fuel.

Test: Our Environment - 1 - Question 16
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What happens when plastic waste is placed in a compost pit?
Detailed Solution for Test: Our Environment - 1 - Question 16
Plastic waste is non-biodegradable and does not decompose when placed in compost pits.
Test: Our Environment - 1 - Question 17
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Which of the following can be recycled?
Detailed Solution for Test: Our Environment - 1 - Question 17
Plastic bottles and metal cans can be recycled and used to produce new products.
Test: Our Environment - 1 - Question 18
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What can we do to reduce waste generation?
Detailed Solution for Test: Our Environment - 1 - Question 18
Proper food storage prevents spoilage and reduces waste production.
Test: Our Environment - 1 - Question 19
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What is the benefit of recycling paper?
Detailed Solution for Test: Our Environment - 1 - Question 19
Recycling paper helps reduce the need to cut down trees, thus preserving forests.
Test: Our Environment - 1 - Question 20
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What is the advantage of composting biodegradable waste?
Detailed Solution for Test: Our Environment - 1 - Question 20
Composting biodegradable waste produces nutrient-rich compost that enhances soil fertility and plant growth.
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