Universe and the Earth Test

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Universe and the Earth Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

The mean radius of the earth is approximately

A
3200 Km

B
6400 Km

C
9600 Km

D
12800 Km

Solution

The mean radius of Earth is 6,371 km. Therefore, the nearest correct answer is 6400 km.
Question 2
1 / -0

Which of the following is the cause for Earth's seasons?

A
Variations in the amount of energy given off by the sun

B
Its elliptical orbit and varying speed of rotation

C
Inclination of its axis of rotation of the plane of orbit

D
Its greater distance from the Sun during winter than during summer

Solution

Inclination of its axis of rotation of the plane of orbit
Question 3
1 / -0

Equinox occurs when the Sun is vertically above the

A
tropic of Capricorn

B
tropic of Cancer

C
Poles

D
Equator

Solution

An equinox is the moment at which the centre of the visible Sun is directly above the Equator.
Question 4
1 / -0

Which of the following is the best definition of tides?

A
A powerful movement of the ocean which proceeds constantly in a definite direction.

B
A great circulatory movement of sea water caused by difference in density of sea water.

C
A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth.

D
A wind and pressure system having a low pressure in center and circular wind motion.

Solution

A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth.
Question 5
1 / -0

Greenhouse effect means

A
pollution in houses in tropical regions

B
trapping of solar energy due to atmospheric oxygen

C
trapping of solar energy due to atmospheric carbon dioxide

D
cultivation in greenhouses so as to check pollution

Solution

Greenhouse effect is trapping of solar energy due to atmospheric carbon dioxide or other greenhouse gasses like methane.
Question 6
1 / -0

The polar diameter of Earth is shorter than equatorial diameter by about

A
43 km

B
60 km

C
72 km

D
104 km

Solution

The latest measurements indicate that the Earth has an equatorial diameter of 12,756 km (7926 mi), and a polar diameter of 12713.6 km (7899.86 mi). Hence. the difference between the both approx is 43 km.
Question 7
1 / -0

Japan is called the 'Land of the Rising Sun' because

A
the Sun rises there as soon as it sets

B
the Sun always remains in the eastern part of the sky throughout the day in Japan

C
Japan, being the easternmost country in the world, has the earliest sunrise

D
the rays of the Sun get reflected from the waters of the sea and make the sunrise look beautiful in Japan

Solution

Japan, being the easternmost country in the world, has the earliest sunrise.
The name comes from the Chinese perspective who saw the Sun rise over Japan and named Japan that way. Even though today we know that the day begins first in New Zealand, even before Japan, the nomenclature of Land of Rising Sun continues to be used for Japan.
Question 8
1 / -0

Which of the following is not an effect produced by rotation of Earth?

A
It causes days and nights

B
All heavenly bodies like sun, moon and planets appear to move from east to west

C
Winds change their direction

D
Poles have days and nights of 6 month duration

Solution

Poles have days and nights of 6 month duration
Question 9
1 / -0

Prime meridian is also called

A
Antarctic Circle

B
Arctic Circle

C
Equator

D
Greenwich Meridian

Solution

Prime meridian is also known as the Greenwich Meridian. In a geographical coordinate system, the Greenwich Meridian (or prime meridian) is the 0° line of longitude from which we measure 180° to the west and 180° to the east.

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Re-Attempt Weekly Quiz Competition

Universe and the Earth Test - 3

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Universe and the Earth Test - 3

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SHARING IS CARING

Question 1

3200 Km

6400 Km

9600 Km

12800 Km

Solution

Question 2

Variations in the amount of energy given off by the sun

Its elliptical orbit and varying speed of rotation

Inclination of its axis of rotation of the plane of orbit

Its greater distance from the Sun during winter than during summer

Solution

Question 3

tropic of Capricorn

tropic of Cancer

Poles

Equator

Solution

Question 4

A powerful movement of the ocean which proceeds constantly in a definite direction.

A great circulatory movement of sea water caused by difference in density of sea water.

A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth.

A wind and pressure system having a low pressure in center and circular wind motion.

Solution

Question 5

pollution in houses in tropical regions

trapping of solar energy due to atmospheric oxygen

trapping of solar energy due to atmospheric carbon dioxide

cultivation in greenhouses so as to check pollution

Solution

Question 6

43 km

60 km

72 km

104 km

Solution

Question 7

the Sun rises there as soon as it sets

the Sun always remains in the eastern part of the sky throughout the day in Japan

Japan, being the easternmost country in the world, has the earliest sunrise

the rays of the Sun get reflected from the waters of the sea and make the sunrise look beautiful in Japan

Solution

Question 8

It causes days and nights

All heavenly bodies like sun, moon and planets appear to move from east to west

Winds change their direction

Poles have days and nights of 6 month duration

Solution

Question 9

Antarctic Circle

Arctic Circle

Equator

Greenwich Meridian

Solution

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