Solar System Test

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Solar System Test - 11

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Weekly Quiz Competition

Question 1
1 / -0

Venus is the ________ planet in the sky and it rotates from ______.

A
dullest; west to east

B
dustiest; west to east

C
brightest; east to west

D
dullest; east to west

Solution

Venus is the brightest planet in the solar system. This is so because its thick clouds reflect most of the sunlight back into space, and because it is the closest planet to Earth. Venus can often be seen within a few hours after sunset or before sunrise as the brightest object in the sky (other than the moon).
Venus spins on its axis from east to west.
Question 2
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Mars is also called ___________ and it has ______ natural satellites.

A
the blue planet; two

B
the red planet; three

C
the grey planet; three

D
the red planet; two

Solution

Two natural satellites revolve around Mars. It is also called the red planet.
Question 3
1 / -0

Which of the following statements is not true?

A
Uranus rotates from east to west.

B
Uranus has a highly tilted rotational axis.

C
Uranus in its orbital motion appears to roll on its side.

D
Uranus can be seen through small telescopes.

Solution

Uranus can be seen only through large telescopes.
Question 4
1 / -0

Which of the following statements is true about the density of the planet Saturn?

A
Its density is more than that of water.

B
Its density is less than that of water.

C
Its density is equal to that of water.

D
We do not know anything about its density.

Solution

Its density is less than that of water.
Question 5
1 / -0

The gap between the planets Mars and Jupiter is occupied by small objects that revolve around the sun. They are known as

A
meteors

B
asteroids

C
meteorites

D
shooting stars

Solution

Asteroids fill the gap between Mars and Jupiter.
Question 6
1 / -0

How does a comet look like through a telescope?

A
It has bright head and long tail.

B
It has dull head and long bright tail.

C
It has bright head and short tail.

D
It has dull head and short bright tail.

Solution

It has bright head and long tail.
Question 7
1 / -0

What do you mean by meteorites?

A
Small meteors are known as meteorites.

B
Meteors that reach the surface of Earth before evaporating completely are called meteorites.

C
Meteors that crash into the surface of Earth at night time only are called meteorites.

D
Meteors that reach the surface of Earth after cooling down in the cold upper reaches of the atmosphere are called meteorites.

Solution

A meteorite refers to a body of solid material that has fallen on Earth from space. It is usually in the shape of a stone or a large rock.
Hence, the meteors that reach the surface of Earth before evaporating completely are known as meteorites.
Question 8
1 / -0

Which of the following are artificial satellites?

(a) EDUSAT
(b) INSAT
(c) NEAT
(d) IRS

A
Only (a), (b) and (c)

B
Only (a) and (b)

C
Only (a), (b) and (d)

D
Only (b), (c) and (d)

Solution

EDUSAT, INSAT and IRS are artificial satellites.
Question 9
1 / -0

Moon is visible to us due to

A
refracted sunlight

B
reflected sunlight

C
transmitted sunlight

D
absorption of sunlight

Solution

Moon is a non-luminous celestial object and does not produce any light of its own. It is visible due to the sunlight it reflects towards the earth.
Question 10
1 / -0

Why is life not possible on moon?

A
Moon has no atmosphere.

B
Moon has no water.

C
Moon's surface is dusty and barren.

D
All of the above

Solution

All of the above
Question 11
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Which of the following is/are true?

(a) The stars rise only during night.
(b) The stars reflect the light of the sun.
(c) The stars are not visible during daytime due to bright sunlight.

A
Only (a)

B
Both (a) and (b)

C
Only (b)

D
Only (c)

Solution

The stars cannot be seen during daytime due to the bright sunlight.
Question 12
1 / -0

Identify the constellation shown in the figure.

A
Orion

B
Great Bear

C
Cassiopeia

D
Leo Major

Solution

Leo Major is the constellation shown in the figure.

It lies in the northern sky and is one of the largest constellations in the sky.

Leo represents the lion, and is usually associated with the Nemean lion in Greek mythology. This constellation was first catalogued by the Greek astronomer Ptolemy in the 2nd century.

Leo constellation is home to the bright stars Regulus and Denebola.
Question 13
1 / -0

Which of the following are respectively the smallest and the largest planets in the solar system?

A
Mars and Saturn

B
Mercury and Jupiter

C
Venus and Saturn

D
Mercury and Earth

Solution

Mercury is the smallest planet and Jupiter is the largest planet of the solar system.
Question 14
1 / -0

Why do planets not collide with each other while revolving around the sun?

A
Because they have their own elliptical orbits

B
Because they have their own circular orbits

C
Because they repel each other

D
Both (2) and (3)

Solution

Planets have their own definite elliptical path known as orbit.
Question 15
1 / -0

Which of the following statements is/are true about the constellation Orion?

(a) Orion is also called the Hunter.
(b) The star Sirius is located close to Orion.
(c) It can be seen during winter in the late evenings.

A
Only (a)

B
Both (b) and (c)

C
Only (b)

D
All of the above

Solution

Following are certain characteristics of Orion:
1. Orion is also called the Hunter.
2. The stars Sirius and Betelgeuse are located close to Orion.
3. It can be seen during winter in the late evenings.
4. It is one of the most conspicuous and recognisable constellations in the night sky.
5. Orion is a prominent constellation located on the celestial equator and visible throughout the world.

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Solar System Test - 11

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Solar System Test - 11

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SHARING IS CARING

Question 1

dullest; west to east

dustiest; west to east

brightest; east to west

dullest; east to west

Solution

Question 2

the blue planet; two

the red planet; three

the grey planet; three

the red planet; two

Solution

Question 3

Uranus rotates from east to west.

Uranus has a highly tilted rotational axis.

Uranus in its orbital motion appears to roll on its side.

Uranus can be seen through small telescopes.

Solution

Question 4

Its density is more than that of water.

Its density is less than that of water.

Its density is equal to that of water.

We do not know anything about its density.

Solution

Question 5

meteors

asteroids

meteorites

shooting stars

Solution

Question 6

It has bright head and long tail.

It has dull head and long bright tail.

It has bright head and short tail.

It has dull head and short bright tail.

Solution

Question 7

Small meteors are known as meteorites.

Meteors that reach the surface of Earth before evaporating completely are called meteorites.

Meteors that crash into the surface of Earth at night time only are called meteorites.

Meteors that reach the surface of Earth after cooling down in the cold upper reaches of the atmosphere are called meteorites.

Solution

Question 8

Only (a), (b) and (c)

Only (a) and (b)

Only (a), (b) and (d)

Only (b), (c) and (d)

Solution

Question 9

refracted sunlight

reflected sunlight

transmitted sunlight

absorption of sunlight

Solution

Question 10

Moon has no atmosphere.

Moon has no water.

Moon's surface is dusty and barren.

All of the above

Solution

Question 11

Only (a)

Both (a) and (b)

Only (b)

Only (c)

Solution

Question 12

Orion

Great Bear

Cassiopeia

Leo Major

Solution