universe & solar system section 12 MCQ Questions & Answers Detailed Explanation

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The following question based on Universe, solar system and Astronomy topic of indian geography mcq

Questions : Which of the following statements in regard to the galaxy is correct?

(a) A galaxy is a huge system of billions of stars and clouds of dust and gases

(b) A galaxy does not have a sun

(c) Galaxy is found between the orbits of Mars and Jupiter

(d) Numerous tiny bodies that move around the sun are called galaxies

The correct answers to the above question in:

Answer: (a)

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. A galaxy is held together by gravity. Our galaxy, the Milky Way, also has a super massive black hole in the middle.

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Read more universe solar system astronomy Based Indian Geography Questions and Answers

Question : 1

The Space craft ‘Magellan’ was sent to

a) Mars

b) Venus

c) Saturn

d) Pluto

Answer: (b)

Question : 2

Space between Earth and Moon is known as

a) Nebula

b) None of these

c) Fulalunar

d) Cislunar

Answer: (d)

Space between Earth and Moon is known as Cislunar. Pertaining to the space between the earth and the orbit of the moon.

Question : 3

When we consider 15° meridian on a world map or globe and count them in an Eastward direction starting with Greenwich meridian (0°), we find that the time of this meridian is

a) 1 hour slow

b) 12 hours fast

c) 1 hour fast

d) same as Greenwich

Answer: (c)

Time is advance towards the east as Earth rotates west to east

Question : 4

The planet revolving east to west is

a) Neptune

b) Pluto

c) Uranus

d) Venus

Answer: (d)

Like the other planets in our solar system, Venus rotates about its axis.

However, Venus is the only planet that rotates from east to west instead of west to east. This means, that if we lived on Venus, the Sun would appear to rise in the west in the morning, and set in the east in the evening. Venus rotates in what is called retrograde motion.

Question : 5

The group of stars arranged in a definite pattern is called

a) Andromeda

b) Solar system

c) Constellation

d) Milky way

Answer: (c)

The group of stars arranged in a definite pattern is called constellation. In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, which are patterns formed by prominent stars within apparent proximity to one another on Earth’s night sky.

Question : 6

List I List II
(Special Characteristic) (Name of planet)
A. Smallest planet of the solar system 1. Mercury
B. Largest planet of the solar system 2. Venus
C. Planet second from the Sun in the solar system 3. Jupiter
D. Planet nearest to the Sun 4. Pluto
  5. Saturn
Codes: A B C D

a) A – 4 ; B – 1 ; C – 2 ; D – 3

b) A – 4 ; B – 3 ; C – 2 ; D – 1

c) A – 3 ; B – 5 ; C – 1 ; D – 2

d) A – 2 ; B – 3 ; C – 5 ; D – 1

Answer: (b)

A. The smallest planet of the solar system is – Pluto

B. The largest planet of the solar system is – Jupiter

C. The planet second from the Sun in the solar system is – Venus

D. Planet nearest to the Sun is – Mercury.

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