universe & solar system section 3 MCQ Questions & Answers Detailed Explanation
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The following question based on Universe, solar system and Astronomy topic of indian geography mcq
(a) The Moon and the Sun are at right angles with reference to the Earth.
(b) The Moon, Sun and Earth lie along a straight line.
(c) The Earth is at aphelion and the Moon at apogee.
(d) The Earth is at perihelion and the Moon at perigee.
The correct answers to the above question in:
Answer: (b)
The term SYZYGY is referred to when the moon, sun, and earth lie along a straight line. As seen from the Earth, a solar eclipse is a type of eclipse that occurs when the Moon passes between the Sun and Earth, and the Moon fully or partially blocks (“occults”) the Sun.
This can happen only at the new moon, when the Sun and the Moon are in conjunction as seen from Earth in an alignment referred to as SYZYGY.
In a total eclipse, the disk of the Sun is fully obscured by the Moon. In partial and annular eclipses only part of the Sun is obscured.
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Read more universe solar system astronomy Based Indian Geography Questions and Answers
Question : 1
Which one of the following is correct?
a) Astronomical unit
b) Angstrom
c) Parallactic second
d) The mean distance from the Sun to the Earth is called a/an Light year
Answer »Answer: (a)
An Astronomical Unit is the mean distance between the Earth and the Sun.
1 AU = 149,597,870.700 kilometers.
Question : 2
Consider the following two statements, one labeled as the Assertion (A) and the other as Reason (R). Examine these two statements carefully and select the correct answer using the codes given below:
Assertion (A):
The same face of the Moon is always presented to the Earth.
Reason (R):
The Moon rotates about its own axis in days which is about the same time that it takes to orbit the earth. Codes:
a) A is true, but R is false.
b) A is false, but R is true.
c) Both A and R are true, but R is not the correct explanation of A.
d) Both A and R are true and R is the correct explanation of A.
Answer »Answer: (a)
The same side of the Moon always faces the Earth because the Moon spins once on its axis in exactly the same amount of time that the Moon revolves around the Earth or once every 29 days.
The Moon and Earth have been tidally locked in this configuration for millions of years.
Question : 3
Which planet is surrounded by ring?
a) Venus
b) Earth
c) Mars
d) Saturn
Answer »Answer: (d)
Saturn is surrounded by ring. Saturn has a ring around it because it is believed to be very big and has lots of moons, meaning it has a strong pull of gravity. Another major reason is that the asteroids fling into its orbit and the rings are not solid.
Question : 4
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 : 5
Consider the following statements:
- The nearest large galaxy of Milky Way is the Andromeda galaxy.
- The Sun’s nearest known star is a red dwarf star called Proxima Centauri, at a distance of 4.
- light years away.
a) Both 1 and 2
b) Neither 1 nor 2
c) 2 only
d) 1 only
Answer »Answer: (a)
The nearest large galaxy of Milky Way is the Andromeda galaxy. The Andromeda Galaxy is a spiral galaxy approximately 2.5 million light-years from Earth in the Andromeda constellation. Also known as Messier 31, M31, or NGC 224, the sun’s nearest known star is a red dwarf star called Proxima Centauri.
Proxima Centauri is a red dwarf about 4.24 light-years from the Sun, inside the G-cloud, in the constellation of Centaurus.
Question : 6
On the surface of the moon, the
a) only the mass is lesser
b) mass and weight both remain unchanged
c) mass remains constant and only the weight is lesser
d) mass and weight become lesser
Answer »Answer: (c)
GET Universe, solar system and Astronomy PRACTICE TEST EXERCISES
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universe & solar system section 13
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