universe & solar system section 7 MCQ Questions & Answers Detailed Explanation
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The following question based on Universe, solar system and Astronomy topic of indian geography mcq
- Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
- Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
- Comets show a perceptible glowing tail, while asteroids do not.
(a) Only 3
(b) 1, 2 and 3
(c) 1 and 3
(d) 1 and 2
The correct answers to the above question in:
Answer: (c)
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Read more universe solar system astronomy Based Indian Geography Questions and Answers
Question : 1
Which of the following phenomenon is/are the effect of the rotation of the Earth?
- Apparent movement of the Sun, the Moon and the Stars.
- Flatness of the poles and bulge at the equator.
- Occurrence of sunrise, noon and sunset.
- Magnetic field of the Earth.
a) 2 and 3 only
b) 1, 2, 3 and 4
c) 1 and 3 only
d) 1 and 2 only
Answer »Answer: (b)
All the given phenomena are the effect of the rotation of the earth. The Earth rotates from the west towards the east.
As viewed from the North Star or polestar Polaris, the Earth turns counter-clockwise.
Question : 2
The two planets having no satellite are
a) Mercury and Saturn
b) Venus and Mars
c) Mercury and Venus
d) Earth and Jupiter
Answer »Answer: (c)
Question : 3
Which one of the following planets rotates clockwise?
a) Venus
b) Mercury
c) Mars
d) Earth
Answer »Answer: (a)
The planet Venus rotates clock wise. On Venus, the rotation is backwards, or clockwise, which is called retrograde. Standing on the surface of Venus, one would be able to see the sun rising from the west.
Question : 4
Which one of the following statements is correct with reference to our solar system?
a) The sun contains 75 percent of the mass of the solar system
b) The diameter of the sun is 190 times that of the earth
c) The predominant element in the composition of earth is silicon
d) The earth is the densest of all the planets in our solar system
Answer »Answer: (d)
The earth is the densest of all the planets.
The density of,
- Earth is 5.52,
- Venus–5.50,
- Mercury 5.27,
- Mars – 3.95,
- Jupiter and Saturn – 0.69,
- Uranus – 11.70.
Question : 5
Match List-I with List-II and select the correct answer from the codes given below the list:
List I | List II |
A. Planet | 1. Moon |
B. Satellite | 2. Uranus |
C. Comet | 3. Mariner |
D. Artificial satellite | 4. Halley |
a) 4 3 2 1
b) 2 1 3 4
c) 1 2 3 4
d) 2 1 4 3
Answer »Answer: (d)
- Uranus is a planet.
- Moon is a satellite.
- Halley is a comet.
- Mariner is an artificial satellite.
The Mariner program was conducted by the American space agency NASA in conjunction with Jet Propulsion Laboratory (JPL) that launched a series of robotic interplanetary probes designed to investigate Mars, Venus and Mercury from 1962 to 1973.
The program included a number of firsts, including the first planetary flyby, the first pictures from another planet, the first planetary orbiter, and the first gravity assist manoeuvre.
Question : 6
During the Venus transit, the planet appeared as a tiny black circle moving on the Sun. The black color on the Sun is because the planet :
a) Was invisible due to bright rays from the Sun.
b) Behaved as a black hole during its transit.
c) Is black in colour.
d) Obstructed all light from the Sun.
Answer »Answer: (b)
The black color on the sun is because the planet behaved as a black hole during its transit. A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and Earth (or another planet), becoming visible against (and hence obscuring a small portion of) the solar disk.
During a transit, Venus can be seen from Earth as a small black disk moving across the face of the Sun. The duration of such transits is usually measured in hours (the transit of 2012 lasted 6 hours and 40 minutes).
GET Universe, solar system and Astronomy PRACTICE TEST EXERCISES
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universe & solar system section 13
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