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Class 3  >  GK Olympiad for Class 3  >  Olympiad Test Level 1: Earth and Its Environment- 1 Download as PDF

Olympiad Test Level 1: Earth and Its Environment- 1 - Class 3


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10 Questions MCQ Test GK Olympiad for Class 3 - Olympiad Test Level 1: Earth and Its Environment- 1

Olympiad Test Level 1: Earth and Its Environment- 1 for Class 3 2023 is part of GK Olympiad for Class 3 preparation. The Olympiad Test Level 1: Earth and Its Environment- 1 questions and answers have been prepared according to the Class 3 exam syllabus.The Olympiad Test Level 1: Earth and Its Environment- 1 MCQs are made for Class 3 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test Level 1: Earth and Its Environment- 1 below.
Solutions of Olympiad Test Level 1: Earth and Its Environment- 1 questions in English are available as part of our GK Olympiad for Class 3 for Class 3 & Olympiad Test Level 1: Earth and Its Environment- 1 solutions in Hindi for GK Olympiad for Class 3 course. Download more important topics, notes, lectures and mock test series for Class 3 Exam by signing up for free. Attempt Olympiad Test Level 1: Earth and Its Environment- 1 | 10 questions in 20 minutes | Mock test for Class 3 preparation | Free important questions MCQ to study GK Olympiad for Class 3 for Class 3 Exam | Download free PDF with solutions
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Olympiad Test Level 1: Earth and Its Environment- 1 - Question 1
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Layer which saves us from harmful effects of UV radiation is called

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 1 - Question 1

The ozone layer is being washed out by use of harmful chemicals like aerosols.

Olympiad Test Level 1: Earth and Its Environment- 1 - Question 2
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The Earth belongs to which of these categories?

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Planets are the celestial bodies that revolve around a star like Sun.

Olympiad Test Level 1: Earth and Its Environment- 1 - Question 3
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What does the figure show?

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The layers are crust, mantle, inner core and outer core.

Olympiad Test Level 1: Earth and Its Environment- 1 - Question 4
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The thickness of the crust is around ___ km in the ocean floor.
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It is around 5 km at the crust in the ocean floor. And continental crust is about 35-40 km thick.

Olympiad Test Level 1: Earth and Its Environment- 1 - Question 5
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The crust is mainly made up of rocks containing
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This is why, it is also called SIAL (SI from Silica and AL from Alumina).

Olympiad Test Level 1: Earth and Its Environment- 1 - Question 6
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The mantle is around ________ km deep.
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The mantle is around 3000 km or 1800 miles deep.

Olympiad Test Level 1: Earth and Its Environment- 1 - Question 7
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In which state of matter are the metals present in outer core of Earth?
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Due to high temperature, the metals are present in molten or liquid state.

Olympiad Test Level 1: Earth and Its Environment- 1 - Question 8
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Which is the hottest part of the earth?
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As we move down the Earth’s surface, the temperature rises.

Olympiad Test Level 1: Earth and Its Environment- 1 - Question 9
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Which of these is a characteristic feature of Earth?
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Saturn has rings around it, Mars is the Red Planet and outer planets have more than one natural satellite, but Earth is the only planet with life.

Olympiad Test Level 1: Earth and Its Environment- 1 - Question 10
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What is the percentage of water on earth’s surface?
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More than two-thirds of the earth’s surface is covered with water.

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