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Class 4 Exam  >  Class 4 Tests  >  Test: Our Environment- 1 - Class 4 MCQ

Test: Our Environment- 1 - Class 4 MCQ


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10 Questions MCQ Test - Test: Our Environment- 1

Test: Our Environment- 1 for Class 4 2024 is part of Class 4 preparation. The Test: Our Environment- 1 questions and answers have been prepared according to the Class 4 exam syllabus.The Test: Our Environment- 1 MCQs are made for Class 4 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 course for Class 4 & Test: Our Environment- 1 solutions in Hindi for Class 4 course. Download more important topics, notes, lectures and mock test series for Class 4 Exam by signing up for free. Attempt Test: Our Environment- 1 | 10 questions in 15 minutes | Mock test for Class 4 preparation | Free important questions MCQ to study for Class 4 Exam | Download free PDF with solutions
Test: Our Environment- 1 - Question 1
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What can happen if we drink polluted water?

Detailed Solution for Test: Our Environment- 1 - Question 1

Drinking polluted water can make us sick. It can cause diseases like typhoid or diarrhoea. Just like how eating healthy food keeps us strong, drinking clean water keeps us healthy. So, it's important to always drink clean and safe water to stay well.

Test: Our Environment- 1 - Question 2
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Which action can help reduce pollution in the air?

Detailed Solution for Test: Our Environment- 1 - Question 2

Walking or riding a bike for short trips can help reduce pollution in the air by not using vehicles that release harmful gases. When we walk or ride a bike instead of using cars, we make the air cleaner for everyone to breathe. So, it's good to walk or ride a bike whenever we can!

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Test: Our Environment- 1 - Question 3
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State whether the following statement is True or False:

Water pollution can cause diseases like typhoid and diarrhoea.

Detailed Solution for Test: Our Environment- 1 - Question 3

When water gets polluted, it becomes dirty and has germs in it. These germs can make us sick. Typhoid and diarrhoea are some diseases caused by drinking polluted water. So, the statement is True.

Test: Our Environment- 1 - Question 4
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State whether the following statement is True or False:

Every living thing gets what it needs from its environment.
Detailed Solution for Test: Our Environment- 1 - Question 4

In nature, every living thing, like animals and plants, depends on its environment for everything it needs to live. This includes things like food, water, air, and a place to live. So, the statement is True! Our environment provides us with all the things we need to survive and grow.

Test: Our Environment- 1 - Question 5
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What is a primary benefit of recycling paper?
Detailed Solution for Test: Our Environment- 1 - Question 5
Recycling paper helps to conserve energy and reduce deforestation. By recycling paper, we decrease the need to cut down more trees, which helps preserve forests. Additionally, recycling paper uses less energy compared to producing new paper from raw materials. This is beneficial for the environment and helps in maintaining ecological balance. Did you know that recycling just one ton of paper can save 17 trees and 7,000 gallons of water?
Test: Our Environment- 1 - Question 6
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Which of the following materials is considered non-biodegradable?
Detailed Solution for Test: Our Environment- 1 - Question 6
Plastic bags are non-biodegradable, meaning they do not decompose naturally and can remain in the environment for a very long time. Unlike fruit peels, paper, and vegetable scraps, which break down over time, plastic bags can contribute to pollution and harm wildlife. Proper disposal and reduction in the use of plastic are crucial for environmental protection.
Test: Our Environment- 1 - Question 7
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What is the term for materials that break down and mix with the soil naturally?
Detailed Solution for Test: Our Environment- 1 - Question 7
Biodegradable materials are those that decompose naturally and mix with the soil over time. This includes items like fruit peels and paper. Unlike non-biodegradable materials, biodegradable materials help enrich the soil and support plant growth.
Test: Our Environment- 1 - Question 8
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What is one way to practice the principle of "reduce"?
Detailed Solution for Test: Our Environment- 1 - Question 8
Conserving electricity by turning off lights when they are not needed is a practical way to reduce resource consumption. This aligns with the principle of "reduce," which focuses on using fewer resources and minimizing waste. Reducing energy usage helps lower our environmental impact and conserves natural resources.
Test: Our Environment- 1 - Question 9
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Which practice helps minimize waste generation?
Detailed Solution for Test: Our Environment- 1 - Question 9
Reusing items like glass containers helps minimize waste generation by extending the life of products and reducing the need for new ones. This practice supports the "reuse" principle, which is a key part of effective waste management and environmental conservation.
Test: Our Environment- 1 - Question 10
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How does air pollution affect human health?
Detailed Solution for Test: Our Environment- 1 - Question 10
Air pollution can cause respiratory problems and other health issues by exposing people to harmful substances like dust, smoke, and chemicals. Breathing in polluted air can lead to conditions such as asthma and bronchitis. Keeping the air clean is essential for protecting human health and ensuring a good quality of life.
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