universe & solar system section 10 MCQ Questions & Answers Detailed Explanation
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The following question based on Universe, solar system and Astronomy topic of indian geography mcq
- It is the third most abundant element in the earth crust.
- It exists in a stable combination with other materials mainly silicates and oxides.
- It has high strength-to-weight ratio.
(a) Aluminium
(b) Calcium
(c) Iron
(d) Magnesium
The correct answers to the above question in:
Answer: (a)
The properties of aluminium include:
- low density and therefore low weight,
- high strength,
- superior malleability,
- easy machining,
- excellent corrosion resistance and
- good thermal and electrical conductivity are amongst aluminium’s most important properties.
Aluminium is also very easy to recycle.
Discuss Form
Read more universe solar system astronomy Based Indian Geography Questions and Answers
Question : 1
The tail of a comet is directed away from the sun because
a) The radiation emitted by the sun exerts a radial pressure on the comet throwing its tail away from the Sun.
b) The tail of the comet always exists in the same orientation.
c) the comet rotates, the lighter mass of the comet is attracted by some star situated in the direction of its tail.
d) the comet rotates around the sun, the lighter mass of the comet is pushed away due to the centrifugal force alone.
Answer »Answer: (d)
The tail of the comet is always away from the Sun because the comet rotates around the Sun, the lighter mass of the comet is pushed away due to the centrifugal force alone. The tail of a comet is made up of gas and tiny particles that are carried away from the sun by the solar wind.
Comets are formed mostly from ice and dust, and their tails only form when they are close enough to be melted by the heat from the sun. As the nucleus of a comet begins to melt, it forms a cloud of gas and small particles known as the coma.
When comets travel close enough into the center of our solar system, pressure from sunlight causes the coma to form a tail that stretches away from the sun.
Question : 3
Match column I with column II and select the correct answer using the code given below the columns:
List I | List II |
A. Earth | 1. Dwarf planet |
B. Pluto | 2. Star |
C. Moon | 3. Blue planet |
D. Sun | 4. Satellite |
a) A-(iv), B-(iii), C-(ii), D-(i)
b) A-(iii), B-(ii), C-(i), D-(iv)
c) A-(i), B-(ii), C-(iii), D-(iv)
d) A-(iii), B-(i) C-(iv), D-(ii)
Answer »Answer: (d)
- Planet Earth has been called the “Blue Planet” due to the abundant water on its surface.
- Pluto, once considered the ninth and most distant planet from the sun, is now the largest known dwarf planet in the solar system. It is also one of the largest known members of the Kuiper Belt, a shadowy disk-like zone beyond the orbit of Neptune thought to be populated by hundreds of thousands of rocky, icy bodies each larger than 62 miles (100 kilometres) across, along with 1 trillion or more comets.
- Moon is the natural satellite of Earth.
- The sun is considered a star because it has all the characteristics of one.
Question : 4
The energy of sun is produced by
a) Nuclear fusion
b) Oxidation
c) Ionisation
d) Nuclear fission
Answer »Answer: (a)
Sun generates its energy by nuclear fusion of hydrogen nuclei into helium.
Question : 5
The average distance between the moon and the earth’s
a) 540,000 km
b) 576,000 km
c) 267,000 km
d) 384,000 km
Answer »Answer: (d)
Question : 6
Consider the following statements and select the correct answer from the code given below.
- The Northern end of the Earth’s axis is called North Pole.
- 45º latitude is half of the length of the equator.
- Earth’s axis are parallel.
- The Earth’s speed of revolution is faster in aphelion position.
a) 3 and 4
b) 1 and 3
c) 2 and 3
d) 1 and 2
Answer »Answer: (b)
GET Universe, solar system and Astronomy PRACTICE TEST EXERCISES
universe & solar system section 1
universe & solar system section 2
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universe & solar system section 4
universe & solar system section 5
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universe & solar system section 7
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universe & solar system section 10
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universe & solar system section 13
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