All Courses
Get the App Signup / Login
Sign in Open App
Class 3 Exam  >  Class 3 Tests  >  Test: Our Environment - 1 - Class 3 MCQ

Test: Our Environment - 1 - Class 3 MCQ


Test Description

10 Questions MCQ Test - Test: Our Environment - 1

Test: Our Environment - 1 for Class 3 2024 is part of Class 3 preparation. The Test: Our Environment - 1 questions and answers have been prepared according to the Class 3 exam syllabus.The Test: Our Environment - 1 MCQs are made for Class 3 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 3 & Test: Our Environment - 1 solutions in Hindi for Class 3 course. Download more important topics, notes, lectures and mock test series for Class 3 Exam by signing up for free. Attempt Test: Our Environment - 1 | 10 questions in 10 minutes | Mock test for Class 3 preparation | Free important questions MCQ to study for Class 3 Exam | Download free PDF with solutions
Test: Our Environment - 1 - Question 1
Save

Global warming is the increasing of average global temperature due to an increase in what?

Detailed Solution for Test: Our Environment - 1 - Question 1
Global warming is primarily caused by the increase in greenhouse gases, such as carbon dioxide and methane, in the Earth's atmosphere. These gases trap heat from the sun, causing the planet's temperature to rise, which is known as the greenhouse effect.
Test: Our Environment - 1 - Question 2
Save

Fill in the blank. Zooplanktons feed on _______

Detailed Solution for Test: Our Environment - 1 - Question 2
Zooplanktons primarily feed on phytoplankton, which are microscopic photosynthetic organisms. This relationship is a key component of aquatic ecosystems, supporting a vast array of marine life.
1 Crore+ students have signed up on EduRev. Have you? Download the App
Test: Our Environment - 1 - Question 3
Save

In the given figure, there are four trophic levels. Among them, the level where decomposers fit is-

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

Decomposers play a crucial role in breaking down organic matter and are often placed in another separate trophic level of a food web. They recycle nutrients back into the ecosystem, making them available for use by primary producers.

Test: Our Environment - 1 - Question 4
Save
During photosynthesis, the percentage of solar radiation absorbed by green plants is-
Detailed Solution for Test: Our Environment - 1 - Question 4
Only a small percentage of solar radiation (about 1%) is absorbed by green plants during photosynthesis. This energy is used to convert carbon dioxide and water into glucose, a process that is fundamental to life on Earth.
Test: Our Environment - 1 - Question 5
Save
Which of the following are environment-friendly practices?
Detailed Solution for Test: Our Environment - 1 - Question 5
All the mentioned practices contribute to reducing environmental impact and promoting sustainability. Using cloth bags reduces plastic waste, walking cuts down on carbon emissions, and conserving electricity saves energy and reduces greenhouse gas emissions.
Test: Our Environment - 1 - Question 6
Save
The depletion of the Ozone shield is due to __________.
Detailed Solution for Test: Our Environment - 1 - Question 6
Chlorofluorocarbons (CFCs) released into the atmosphere contribute to the depletion of the ozone layer. These compounds break down ozone molecules, reducing the Earth's protection against harmful ultraviolet radiation.
Test: Our Environment - 1 - Question 7
Save
In an ecosystem, the different food levels are called
Detailed Solution for Test: Our Environment - 1 - Question 7
Trophic levels represent the position of organisms in a food chain or web, from primary producers to apex predators. Each level plays a critical role in the flow of energy through an ecosystem.
Test: Our Environment - 1 - Question 8
Save
Biodegradable wastes can be utilized to produce _____________.
Detailed Solution for Test: Our Environment - 1 - Question 8
Biodegradable wastes, like organic matter, can be used to produce biogas through a process called anaerobic digestion. This not only helps in managing waste but also provides a renewable source of energy.
Test: Our Environment - 1 - Question 9
Save

Identify what is happening in the image below.
Detailed Solution for Test: Our Environment - 1 - Question 9

The correct identification is a Forest Fire. Forest fires can be caused by natural factors such as lightning or human activities. They can lead to significant ecological damage but also play a role in the natural cycle of woodland regeneration.

Test: Our Environment - 1 - Question 10
Save
The solid waste collected from all our houses is thrown out of the city in a place called-
Detailed Solution for Test: Our Environment - 1 - Question 10
Landfills are designated areas where solid waste is disposed of, often buried under the soil. This method of waste management prevents contamination of water and air but requires careful management to avoid environmental harm.
Information about Test: Our Environment - 1 Page
In this test you can find the Exam questions for Test: Our Environment - 1 solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Our Environment - 1, EduRev gives you an ample number of Online tests for practice

Top Courses for Class 3

Download as PDF

Top Courses for Class 3

Important Questions for Our Environment - 1

Find all the important questions for Our Environment - 1 at EduRev.Get fully prepared for Our Environment - 1 with EduRev's comprehensive question bank and test resources. Our platform offers a diverse range of question papers covering various topics within the Our Environment - 1 syllabus. Whether you need to review specific subjects or assess your overall readiness, EduRev has you covered. The questions are designed to challenge you and help you gain confidence in tackling the actual exam. Maximize your chances of success by utilizing EduRev's extensive collection of Our Environment - 1 resources.

Our Environment - 1 MCQs with Answers

Prepare for the Our Environment - 1 within the Class 3 exam with comprehensive MCQs and answers at EduRev. Our platform offers a wide range of practice papers, question papers, and mock tests to familiarize you with the exam pattern and syllabus. Access the best books, study materials, and notes curated by toppers to enhance your preparation. Stay updated with the exam date and receive expert preparation tips and paper analysis. Visit EduRev's official website today and access a wealth of videos and coaching resources to excel in your exam.

Online Tests for Our Environment - 1

Practice with a wide array of question papers that follow the exam pattern and syllabus. Our platform offers a user-friendly interface, allowing you to track your progress and identify areas for improvement. Access detailed solutions and explanations for each test to enhance your understanding of concepts. With EduRev's Online Tests, you can build confidence, boost your performance, and ace Our Environment - 1 with ease. Join thousands of successful students who have benefited from our trusted online resources.
© EduRev
Education Revolution
Follow Us
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup