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Olympiad Test Level 2: Our Earth and Universe- 1


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10 Questions MCQ Test GK Olympiad for Class 7 | Olympiad Test Level 2: Our Earth and Universe- 1

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Olympiad Test Level 2: Our Earth and Universe- 1 - Question 1

Which of the following is/are true about mantle?
1. Depth of mantle is 2900 Km which starts from Moho’s discontinuity.
2. Upper portion of mantle is called lithosphere.
3. Mostly mantle is in liquid state.

Select the correct answer from the following codes

Detailed Solution for Olympiad Test Level 2: Our Earth and Universe- 1 - Question 1

The mantle extends from moho’s
discontinuity to a depth of 2900 km. The upper portion of mantle is called asthenosphere. The crust and uppennost part of mantle are called lithosphere. The lower mantle extends beyond asthenosphere. It is in solid state.

Olympiad Test Level 2: Our Earth and Universe- 1 - Question 2

The permanent tilt of the Earth’s axis and the revolution of the Earth in  its orbit together cause:
I. deflection of winds and ocean currents.
II. differ en ces i n time between p laces on different meridians.
III. varying length of day and night at different times of the year.
IV. changes in the altitude of the mid-day sun at different times of the year.

Olympiad Test Level 2: Our Earth and Universe- 1 - Question 3

A rocky object which is very small and revolves around Sun is the:

Olympiad Test Level 2: Our Earth and Universe- 1 - Question 4

Big Bang theory explains

Detailed Solution for Olympiad Test Level 2: Our Earth and Universe- 1 - Question 4

Big Bang theory explains origin of Universe

Olympiad Test Level 2: Our Earth and Universe- 1 - Question 5

We harm Earth with various activities such as unorganised disposal of waste. Which of the following kinds of wastes lasts longest in the environment?

Olympiad Test Level 2: Our Earth and Universe- 1 - Question 6

Which of the following statements is incorrect regarding equinox?

Olympiad Test Level 2: Our Earth and Universe- 1 - Question 7

The correct ascending order of distance of planets from sun is

Olympiad Test Level 2: Our Earth and Universe- 1 - Question 8

The majority of asteroids are found between the orbits of

Olympiad Test Level 2: Our Earth and Universe- 1 - Question 9

Which planet appears to be yellowish?        

Detailed Solution for Olympiad Test Level 2: Our Earth and Universe- 1 - Question 9

The planet appears to be yellowish is Saturn.

Olympiad Test Level 2: Our Earth and Universe- 1 - Question 10

He is the first American to Orbit Earth and also the oldest person to fly in space. He was one of the members of Mercury Seven, the seven men who flew on the mercury spacecraft. Name him.

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