universe & solar system section 4 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT indian geography mcq - 13 EXERCISES
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The following question based on Universe, solar system and Astronomy topic of indian geography mcq
(a) Uranus
(b) Mercury
(c) Earth
(d) Venus
The correct answers to the above question in:
Answer: (c)
Earth is called the ‘Blue Planet’ due to the abundant water on its surface. This is because liquid water covers most of the surface of the planet. The Earth has the right mass, chemical composition, and location can support liquid water.
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Read more universe solar system astronomy Based Indian Geography Questions and Answers
Question : 1
Which one of the following is not an Astronomical object?
a) Black hole
b) Quasar
c) Brittle star
d) Pulsar
Answer »Answer: (c)
Question : 2
Match the following List-I & List-II:
List I | List II |
(Features) | (Dates) |
A. Vernal equinox | 1. December 22 |
B. Summer solstice | 2. September 23 |
C. Winter solstice | 3. March 20 |
D. Autumnal equinox | 4. June 22 |
a) 3 1 4 2
b) 2 4 1 3
c) 3 1 2 4
d) 3 4 1 2
Answer »Answer: (d)
As Earth revolves around the Sun there are two moments each year when the Sun is exactly above the equator. These moments are called equinoxes which occur around March 20 or 21. The summer solstice occurs during the hemisphere’s summer.
This is the northern solstice in the northern hemisphere and the southern solstice in the southern hemisphere. Depending on the shift of the calendar, the summer solstice occurs sometime between June 20 and June 22 in the northern hemisphere and between December 20 and December 23 each year in the southern hemisphere.
The winter solstice (or hibernal solstice), also known as midwinter, is an astronomical phenomenon marking the day with the shortest period of daylight and the longest night of the year.
In the Northern Hemisphere this is the December solstice and in the Southern Hemisphere, this is the June solstice. It occurs on 22 September in the northern hemisphere and 20 March in the southern hemisphere. The autumnal equinox occurs on September 23.
Question : 3
The Earth without rotational movement would result into
- No sun-rise and sun set
- No occurrence of day and night cycle
- Only one season
a) 3 only
b) 1, 2 and 3
c) 1 and 2 only
d) 1 Only
Answer »Answer: (c)
The Earth completes one “rotation” every twenty four hours. A rotation is when the planet spins around once. The Earth rotates counter-clockwise; this is why the Sun “rises” in the east and “sets” in the west. Revolution is when one object completes a circular path around another object.
The Earth takes 365.24 days to revolve around the Sun. This is why a year is 365 days long. During the year the Earth is angled differently towards the Sun.
These changing angles provide us with different Sun intensities and therefore we get four different seasons.
Question : 4
Which of the following is not an effect produced by rotation of earth?
- All heavenly bodieslike sun, moon and planets appears to move from East to West.
- Winds change their directions.
- Poles have days and nights of 6 months duration.
a) 3 only
b) 1, 2 and 3
c) 2 only
d) 1 only
Answer »Answer: (a)
The North and South poles have either no night for around six months of the year during summer, or complete night for six months of the year during winter.
This is because, during summer, the sun is basically permanently above the horizon for half of the year, due to the tilt of the earth on its axis. If the earth were positioned upright with the poles in a vertical position, then the North and South Poles would have daytime and night time separated by light and darkness, just like the rest of the planet.
However, because it is tilted and rotates around the sun's energy for six months one pole or the other has to always be in the shadow.
Question : 5
Which of the following does not belong to solar system?
a) Planets
b) Nebulae
c) Comets
d) Asteroids
Answer »Answer: (b)
Question : 6
The planet nearest to the Earth is
a) Mars
b) Jupiter
c) Mercury
d) Venus
Answer »Answer: (d)
GET Universe, solar system and Astronomy PRACTICE TEST EXERCISES
universe & solar system section 1
universe & solar system section 2
universe & solar system section 3
universe & solar system section 4
universe & solar system section 5
universe & solar system section 6
universe & solar system section 7
universe & solar system section 8
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universe & solar system section 10
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universe & solar system section 12
universe & solar system section 13
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