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CBSE Class 4  >  Class 4 Test  >  Social Science Olympiad   >  Olympiad Test Level 1: Earth and Environment - Class 4 MCQ

Olympiad Test Level 1: Earth and Environment Class 4 SST MCQs & solutions


MCQ Practice Test & Solutions: Olympiad Test Level 1: Earth and Environment (10 Questions)

You can prepare effectively for Class 4 Social Science Olympiad Class 4 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Olympiad Test Level 1: Earth and Environment". These 10 questions have been designed by the experts with the latest curriculum of Class 4 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 15 minutes
  • - Number of Questions: 10

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Olympiad Test Level 1: Earth and Environment - Question 1
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Which of these is part of our environment?

Detailed Solution: Question 1

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: 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?

Detailed Solution: Question 3

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

Detailed Solution: Question 4

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

Detailed Solution: Question 5

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?

Detailed Solution: Question 6

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

Detailed Solution: Question 7

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?

Detailed Solution: Question 8

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?

Detailed Solution: Question 9

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

Detailed Solution: Question 10

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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About this Class 4 Practice Test

This test contains 10 MCQs on Olympiad Test Level 1: Earth and Environment with detailed solutions for each question. It is part of the Social Science Olympiad Class 4 course on EduRev, designed to align with the current Class 4 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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If you found this Olympiad Test Level 1: Earth and Environment MCQ Test helpful, you can further enhance your Class 4 preparation with in-depth courses on EduRev, for all the subjects and topics available in Social Science Olympiad Class 4 course. The course offers:
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