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Class 6 Exam  >  Class 6 Tests  >  Science Olympiad Class 6  >  Test: Pollution and Calamities - Class 6 MCQ

Test: Pollution and Calamities - Class 6 MCQ


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10 Questions MCQ Test Science Olympiad Class 6 - Test: Pollution and Calamities

Test: Pollution and Calamities for Class 6 2024 is part of Science Olympiad Class 6 preparation. The Test: Pollution and Calamities questions and answers have been prepared according to the Class 6 exam syllabus.The Test: Pollution and Calamities MCQs are made for Class 6 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Pollution and Calamities below.
Solutions of Test: Pollution and Calamities questions in English are available as part of our Science Olympiad Class 6 for Class 6 & Test: Pollution and Calamities solutions in Hindi for Science Olympiad Class 6 course. Download more important topics, notes, lectures and mock test series for Class 6 Exam by signing up for free. Attempt Test: Pollution and Calamities | 10 questions in 15 minutes | Mock test for Class 6 preparation | Free important questions MCQ to study Science Olympiad Class 6 for Class 6 Exam | Download free PDF with solutions
Test: Pollution and Calamities - Question 1
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Excessive cutting of trees and cleaning of forests to accommodate growing populations lead to various environmental impacts. Which of the following consequences is a likely result?

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Global warming is a consequence of deforestation as trees play a crucial role in absorbing carbon dioxide during photosynthesis. The removal of trees increases the concentration of greenhouse gases in the atmosphere, contributing to global warming.
Test: Pollution and Calamities - Question 2
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A particular community is exposed to excessive noise pollution. What health issues are likely to affect the members of the community over time?

Detailed Solution for Test: Pollution and Calamities - Question 2
Continuous exposure to excessive noise pollution can lead to various health problems, including headaches, hearing impairment (deafness), and disruptions in sleep patterns.
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Test: Pollution and Calamities - Question 3
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Karnataka state suffered drought for three consecutive years. What is the likely condition of the water table in the state?

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Continuous drought conditions lead to decreased water inflow, increased evaporation, and decreased groundwater recharge, causing a decline in the water table.
Test: Pollution and Calamities - Question 4
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The persons who are involved in the study of earthquakes are called:
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Seismologists are scientists who study seismic activity, including earthquakes. They analyze the origin, propagation, and effects of seismic waves to understand the Earth's interior.
Test: Pollution and Calamities - Question 5
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What is biomagnification?
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Biomagnification is the process where certain harmful substances accumulate in organisms at higher trophic levels of a food chain, posing a threat to those higher on the food chain.
Test: Pollution and Calamities - Question 6
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Harish, a nature lover, advises his brother on minimizing pollution caused by daily waste disposal. What advice should Harish give to his brother?
Detailed Solution for Test: Pollution and Calamities - Question 6
Separating wet and dry waste facilitates recycling and proper disposal, reducing environmental pollution. It helps in the sustainable management of waste.
Test: Pollution and Calamities - Question 7
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Which scale is used to measure the intensity of earthquakes?
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The Richter scale is a logarithmic scale used to measure the magnitude of earthquakes, indicating their intensity. Each whole number increase on the Richter scale represents a tenfold increase in amplitude of the seismic waves.
Test: Pollution and Calamities - Question 8
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Rainwater harvesting is a solution to the water problem. In this method, what does it involve?
Detailed Solution for Test: Pollution and Calamities - Question 8
Rainwater harvesting involves collecting rainwater runoff from roofs or other surfaces and storing it for later use, promoting sustainable water management.
Test: Pollution and Calamities - Question 9
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Which of the following are causes of drought?
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Drought can result from a combination of factors, including a scarcity of rainfall, prolonged periods of severe hot days, and dry windy conditions, leading to water shortages.
Test: Pollution and Calamities - Question 10
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The reading on the Richter scale above which severe damage can occur is:
Detailed Solution for Test: Pollution and Calamities - Question 10
A reading of 5 or higher on the Richter scale indicates a seismic event with the potential to cause significant damage, including structural damage to buildings and infrastructure.
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