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Class 4 Exam  >  Class 4 Tests  >  Olympiad Test Level 1: Earth and Environment - Class 4 MCQ

Olympiad Test Level 1: Earth and Environment - Class 4 MCQ


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10 Questions MCQ Test - Olympiad Test Level 1: Earth and Environment

Olympiad Test Level 1: Earth and Environment for Class 4 2025 is part of Class 4 preparation. The Olympiad Test Level 1: Earth and Environment questions and answers have been prepared according to the Class 4 exam syllabus.The Olympiad Test Level 1: Earth and Environment MCQs are made for Class 4 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test Level 1: Earth and Environment below.
Solutions of Olympiad Test Level 1: Earth and Environment questions in English are available as part of our course for Class 4 & Olympiad Test Level 1: Earth and Environment 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 Olympiad Test Level 1: Earth and Environment | 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
Olympiad Test Level 1: Earth and Environment - Question 1
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Which of these is part of our environment?

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The environment includes everything around us—air we breathe, water we drink, land we walk on, plus the plants and animals we share it with.
Olympiad Test Level 1: Earth and Environment - Question 2
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Putting sewage into rivers causes which type of pollution?

Detailed Solution for Olympiad Test Level 1: Earth and Environment - Question 2
When dirty water from homes or factories enters rivers, it makes the water unsafe—this is called water pollution.
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Olympiad Test Level 1: Earth and Environment - Question 3
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Which of these changes from day to day and we often check it on TV?

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Weather is what we feel each day—sunny, rainy or windy—and it can change every day.
Olympiad Test Level 1: Earth and Environment - Question 4
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During summer in North India, hot dry winds are called
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In North India, the hot, dry winds that blow in May and June are called “loo” and can make it very hot.
Olympiad Test Level 1: Earth and Environment - Question 5
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Smoke and dust from factories mix into the air causing
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Gases and particles released by factories make the air dirty, which can harm our lungs and the environment.
Olympiad Test Level 1: Earth and Environment - Question 6
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Which method saves rainwater for later use?
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Rainwater harvesting collects rain from roofs or ground into tanks or ponds, so we can use it when it doesn’t rain.
Olympiad Test Level 1: Earth and Environment - Question 7
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A natural cause of air pollution is
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Forest fires and bushfires release smoke and ash into the air even without any factories or vehicles.
Olympiad Test Level 1: Earth and Environment - Question 8
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Which gas traps heat and leads to global warming?
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Methane is a greenhouse gas that keeps heat in the atmosphere, making the Earth warmer over time.
Olympiad Test Level 1: Earth and Environment - Question 9
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Which of these was NOT listed as a common pollution type in the lesson?
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The lesson described pollution of air, water, and soil—but did not cover noise pollution.
Olympiad Test Level 1: Earth and Environment - Question 10
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The Swachh Bharat Mission to clean cities and end open defecation started on
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Launched by the government on 2 October 2014, the Swachh Bharat (Clean India) Mission aims to manage waste and build toilets across India.
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