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Olympiad Test Level 1: Earth and Its Environment- 2 - Class 3 MCQ


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15 Questions MCQ Test GK Olympiad for Class 3 - Olympiad Test Level 1: Earth and Its Environment- 2

Olympiad Test Level 1: Earth and Its Environment- 2 for Class 3 2024 is part of GK Olympiad for Class 3 preparation. The Olympiad Test Level 1: Earth and Its Environment- 2 questions and answers have been prepared according to the Class 3 exam syllabus.The Olympiad Test Level 1: Earth and Its Environment- 2 MCQs are made for Class 3 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test Level 1: Earth and Its Environment- 2 below.
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Olympiad Test Level 1: Earth and Its Environment- 2 - Question 1

The time taken by Earth to complete one revolution around the sun is

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 1

The Earth completes one revolution around the Sun in a little more than 365 days.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 2

We use the energy of Sun on Earth. This energy is called

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 2

Solar energy is used for generating electricity, and in devices like Solar cooker, solar heaters and Solar cells.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 3

In which layer of the Earth do we live in?

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 3

The crust is the topmost layer of the Earth’s surface.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 4

The crust where we live is called the _________.

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 4

Continents are huge pieces of land where we live. So, it is also called continental crust.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 5

Which is the second layer of the earth?

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 5

The second layer of the earth is mantle. It is just below the crust.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 6

Which layer of Earth is formed of iron and nickel?

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 6

These metals are present in liquid state in this layer of the earth.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 7

The inner core of Earth consists of iron and ___________.

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 7

This is why this layer is also called NIFE (NI from Nickel and FE from Ferrous, the scientific name of Iron).

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 8

What is the position of the Earth from the Sun?

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 8

Mercury and Venus lie before Earth from the Sun.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 9

What is the other name of Earth?

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 9

Due to huge water bodies on the Earth’s surface, it is also called the Ocean Planet.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 10

Which of these regulates the temperature of Earth and influence weather?

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 10

Oceans play an important role in natural cycles like water cycle, which regulate the temperature of earth and influence weather.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 11

Which of these fuels must be used in vehicles to reduce air pollution?

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 11

Coal is not used in vehicles. Petrol and diesel cause more pollution than CNG.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 12

What is the position of the earth’s axis?

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 12

The Earth's axis is tilted by 23.5 degrees.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 13

Which of these celestial bodies are protected from falling in the earth by the earth’s atmosphere?

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 13

These celestial bodies burn as soon as they reach the Earth’s atmosphere.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 14

The gas that forms 78% of the earth’s atmosphere is ______________.

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 14

Nitrogen is 78% of the air.
Oxygen is 21% of the air.
Carbon Dioxide is .04% of the air.

Olympiad Test Level 1: Earth and Its Environment- 2 - Question 15

Which of these is NOT a characteristic of pearl?

Detailed Solution for Olympiad Test Level 1: Earth and Its Environment- 2 - Question 15

All of the given options are characteristics of pearl in addition to the fact that it is formed inside an oyster.

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