universe & solar system section 2 Practice Questions Answers Test with Solutions & More Shortcuts
Universe, solar system and Astronomy PRACTICE TEST [13 - EXERCISES]
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Question : 1 [CDS 2016-I]
Which one of the following is the correct sequence of the given planets in increasing order of their size (diameter) ?
a) Mercury - Mars - Venus - Uranus - Earth
b) Venus - Mercury - Marsu - Earth - Uranus
c) Mercury - Mars - Venus - Earth - Uranus
d) Mars - Venus - Earth - Mercury - Uranus
Answer »Answer: (c)
Question : 2
Consider the following statements:
- The Sun is the heart spot of the Solar system which is the source of energy of all organism of the earth.
- The innermost layer of the Sun is called Corona.
a) Both 1 and 2
b) Neither 1 nor 2
c) 2 only
d) 1 only
Answer »Answer: (d)
The sun is the heart spot of the Solar system which is the source of energy of all organisms on Earth. Our sun is the center of our solar system and is the source of all energy for almost every organism on the face of the Earth.
The sun provides a vast spectrum of energy. Everyone knows that the sun produces lots of heat and light. But our sun produces energy that is much more important. The vast amount of energy that our sun produces is called RADIANT ENERGY.
Radiant energy is defined as invisible and invisible light; it is also energy that travels in waves. directly or indirectly, the sun provides nearly all of the energy required by the organisms on Earth. The corona is the outermost layer of the Sun, starting at about 1300 miles (2100 km) above the solar surface (the photosphere).
The temperature in the corona is 500,000 K (900,000 degrees F, 500,000 degrees C) or more, up to a few million K.
Question : 3
Consider the following statements
- The Earth does not move along its orbit at a constant rate.
- The Earth moves fastest at perihelion and slowest at aphelion.
a) Ohm’s law
b) Newton’s law of gravitation
c) Newton’s second law of motion
d) Kepler’s second law
Answer »Answer: (d)
Kapler’s law give a description of the motion of planets around the Sun.
Kepler’s are laws are
- The orbit of every planet is an ellipse with the Sun at one of two faces.
- A line joining a planet and the Sun sweeps out equal areas during intervals of time.
Question : 4
The group of small pieces of rocks revolving round the sun between the orbits of Mars and Jupiter are called
a) Meteorites
b) Asteroids
c) Comets
d) Meteors
Answer »Answer: (b)
The group of small pieces of rocks revolving round the sun between the orbits of Mars and Jupiter are called asteroids.
IMPORTANT indian geography mcq EXERCISES
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Universe, solar system and Astronomy Shortcuts »
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indian geography mcq CATEGORIES
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» Nature & Scope of Geography
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» Universe, solar system and Astronomy
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» Geomorphology & Earth landforms
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» Atmosphere & Climatology
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» Hydrosphere & Oceanography
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» Pedology or Soil & Agriculture
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» Ecology & Bio geography
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» World Physical Geography
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» World Human Geography (Population)
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» World Economic Geography (Industry, Trade, Transportation & Agriculture)
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» World Country, Capital, Area, Currency, Parliament, Religion, New & old name of country
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» Physiography & Geomorphology of India
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» Indian Drainage, Irrigation and Rivers & River Projects
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» Indian Climate
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» Ecology, Environment, Forest, Naturals vegetations of India & National Park of India
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» Indian Agriculture & Animal Husbandry
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» Minerals & Energy Resources of India
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» Industries & Trade in India
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» Transportation & Ports System of India
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