universe & solar system section 12 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 16

One Astronomical Unit is the average distance between

a) Jupiter and the Sun

b) Pluto and the Sun

c) Earth and the Moon

d) Earth and the Sun

Answer: (d)

Question : 17

The distance of Moon from the Earth is

a) 350 thousand kms.

b) 446 thousand kms.

c) 300 thousand kms.

d) 364 thousand kms.

Answer: (d)

The distance of moon from the Earth is 364 thousands kms. The Moon is the only natural satellite of the Earth and the fifth largest moon in the Solar System.

It is the largest natural satellite of a planet in the Solar System relative to the size of its primary, having 27% the diameter and 60% the density of Earth, resulting in 1? 81 its mass.

Question : 18 [UP 2003]

Arrange the planets given below in order of increasing distance from Sun?

  1. Neptune
  2. Earth
  3. Jupiter
  4. Uranus
Code

a) 3, 2, 4, 1

b) 1, 2, 4, 3

c) 4, 3, 2, 1

d) 2, 3, 4, 1

Answer: (d)

Question : 19

Plate tectonics is a scientific theory that describes the large-scale motions of Earth’s lithosphere. Which one among the following statements regarding Plate tectonics is not correct?

a) The Earth’s lithosphere is broken up into Tectonic Plates

b) Along divergent plate boundaries, subduction carries plates into the mantle

c) Tectonic plates are able to move because the Earth’s lithosphere has a higher strength than the underlying asthenosphere

d) Tectonic plates are composed of Oceanic lithosphere and thicker Continental lithosphere

Answer: (b)

Tectonic plates are composed of oceanic lithosphere and thicker continental lithosphere, each topped by its own kind of crust. Tectonic plates are able to move because the Earth’s lithosphere has greater strength than the underlying asthenosphere.

The outer shell of the earth, the lithosphere is broken up into tectonic plates. The seven major plates are the African plate, Antarctic plate, Eurasian plate, Indo-Australian plate, North American plate, Pacific plate, and South American plate. Along convergent boundaries, subduction carries plates into the mantle.

Question : 20 [SSC CML 2001]

The planets on either side of the Earth are

a) Venus and Saturn

b) Mars and Venus

c) Mercury and Venus

d) Mars and Jupiter

Answer: (b)

Earth is the third planet from the Sun in the following order from the Sun: Mercury, Venus, Earth, and Mars.

The four smaller inner planets, Mercury, Venus, Earth, and Mars, also called the terrestrial planets, are primarily composed of rock and metal.

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967 Universe, solar system and Astronomy based indian geography mcq section 12 question answer with explanation pdf

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