Earth MCQ Question and Answer | Geography MCQ Question

61

One degree of the circumference of the earth measures(approx.) ________

A) 100 km B) 111 km C) 151 km D) 175 km

Discuss

Answer & Solution

Answer: Option B

Solution:

One degree of the circumference of the earth measures(approx) 111 km.

62

Days and nights are caused by :
1. rotation of the earth on its axis
2. revolution of the earth around the sun
3. inclination of the earth's axis

A) Only 1 is correct B) 1 and 2 are correct C) 2 and 3 are correct D) All are correct

Discuss

Answer & Solution

Answer: Option A

Solution:

Earth's rotation is the rotation of Planet Earth around its own axis. Earth rotates eastward, in prograde motion. As viewed from the north pole star Polaris, Earth turns counter clockwise.

63

The Earth rotates on its axis at an inclination of

A) 23.5° B) 22.5° C) 21.5° D) 20.0°

Discuss

Answer & Solution

Answer: Option A

Solution:

Earth has seasons because our planet's axis of rotation is tilted at an angle of 23.5° relative to our orbital plane – the plane of Earth's orbit around the sun.

64

If a solar eclipse occurs when the moon is quite far from the earth, the eclipse would likely to be ________

A) Total B) Partial C) Annular D) None of these

Discuss

Answer & Solution

Answer: Option C

Solution:

An annular solar eclipse (left) occurs when the Moon is too far away to completely cover the Sun's disk.

65

Which of the following best describes longitude?

A) An imaginary line joining north and south poles B) The distance between a place east or west of the Greenwich Meridian C) The angular distance east or west of the Greenwich meridian D) The position of a place on earth's surface with reference to the Prime Meridian

Discuss

Answer & Solution

Answer: Option C

Solution:

It is an angular measurement, usually expressed in degrees and denoted by the Greek letter lambda (λ). The longitude of other places is measured as the angle east or west from the Prime Meridian, ranging from 0° at the Prime Meridian to +180° eastward and −180° westward.

66

Bridgmanite is

A) A bridge on the river Thames B) Name of a game C) Earth's most abundant mineral D) Name of a music

Discuss

Answer & Solution

Answer: Option C

Solution:

Bridgmanite is the most abundant mineral in the mantle. The proportions of bridgmanite and calcium perovskite depends on the overall lithology and bulk composition.

67

Lunar eclipse is caused when the ________

A) Moon comes between the sun and the earth B) Earth comes between the sun and the moon C) Sun comes between the earth and moon D) None of these

Discuss

Answer & Solution

Answer: Option B

Solution:

When Earth passes directly between Sun and Moon, its shadow creates a lunar eclipse. Lunar eclipses can only happen when the Moon is opposite the Sun in the sky, a monthly occurrence we know as a full Moon.

68

Which one of the following is the time required for the Earth to return to a given point in its orbit with reference to fixed star, called?

A) Lunar year B) Solar year C) Tropical year D) Sideral year

Discuss

Answer & Solution

Answer: Option D

Solution:

Sidereal time is time measured with respect to the apparent motion of the 'fixed' stars in the sky due to the Earth's rotation.

69

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, planets appear to move from East to West C) Winds change their directions D) Poles have days and nights of 6 months duration

Discuss

Answer & Solution

Answer: Option D

Solution:

The earth is tilted on its axis, because of which very poor sunlight is allowed to reach the north and south poles. When the north pole is tilted towards the sun,it experiences continuous day light for six months. And when the pole is tilted on the other side, it experiences continuous night for six months.

70

The Tropic of Cancer does not pass through

A) India B) Pakistan C) Bangladesh D) Myanmar

Discuss

Answer & Solution

Answer: Option B

Solution:

In Asia, Tropic of Cancer passes through Myanmar, Oman, Bangladesh, India, Saudi Arabia, China, United Arab Emirates and Taiwan. Hence, The Tropic of cancer does not pass through Pakistan.