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Earth MCQ Question and Answer | Geography MCQ Question

Earth MCQ Questions and answers with easy explanations. Geography section provides you all type of mcq questions on Earth with explanations. Earth MCQ is important for exams like IBPS, SCC, UPSC, NEET etc. Page-3 section-3

Each section contains 100 MCQs on Earth .
21
The term 'syzygy' is referred to when the ________
Discuss
Answer & Solution
Answer: Option D
Solution:
An alignment of three celestial objects, as the sun, the earth, and either the moon or a planet: Syzygy in the sun-earth-moon system occurs at the time of full moon and new moon.
22
The Solar eclipse achieves totality only in limited geographical regions because ________
Discuss
Answer & Solution
Answer: Option B
Solution:
The Solar eclipse achieves totality only in limited geographical regions because the size of the shadow of the Moon on the Earth is small compared to the cross-section of the Earth.
23
The largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth's surface is due to ________
Discuss
Answer & Solution
Answer: Option A
Solution:
Twenty-four percent of incoming solar radiation is reflected by clouds, 4% by the Earth's surface. The largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth's surface is due to clouds.
24
We always see the same surface of the Moon because
Discuss
Answer & Solution
Answer: Option C
Solution:
We only see one side of the moon because the moon rotates around the Earth at the exact same speed as it rotates around its own axis, so that the same side of the moon is constantly facing the surface of the earth.
25
Which of the following phenomenon gives an evidence for the spherical shape of the earth?
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
26
When the Earth is at the maximum distance from the Sun, it is called
Discuss
Answer & Solution
Answer: Option A
Solution:
The furthest point is called aphelion. The aphelion is the point in the orbit of an object where it is farthest from the Sun. The word aphelion derives from the Greek words, apo meaning away, off, apart and Helios.
27
In how much time, Earth rotates once on its axis?
Discuss
Answer & Solution
Answer: Option B
Solution:
Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 minutes, and 4.9 seconds with respect to other, distant, stars.
28
The Earth is tilted on its axis
Discuss
Answer & Solution
Answer: Option A
Solution:
The axis of rotation of the Earth is tilted at an angle of 23.5° away from vertical, perpendicular to the plane of our planet's orbit around the sun.
29
The earth's annual circuit round the sun covers a distance of ________
Discuss
Answer & Solution
Answer: Option C
Solution:
The earth's annual circuit round the Sun covers a distance of 966 million km.
30
The mean radius of the earth is approximately ________
Discuss
Answer & Solution
Answer: Option B
Solution:
The mean radius of the earth is approximately 6400 km.