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Test: Motions Of The Earth - UPSC MCQ


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10 Questions MCQ Test Geography for UPSC CSE - Test: Motions Of The Earth

Test: Motions Of The Earth for UPSC 2024 is part of Geography for UPSC CSE preparation. The Test: Motions Of The Earth questions and answers have been prepared according to the UPSC exam syllabus.The Test: Motions Of The Earth MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Motions Of The Earth below.
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Test: Motions Of The Earth - Question 1

The earth takes _____ to complete one revolution

Detailed Solution for Test: Motions Of The Earth - Question 1

Earth takes 365 days and 6 hours to complete a revolution around the sun .That's why leap year takes place as after four years 6 hrs each year becomes a total of 24 hrs making the 366 days of the leap year.

Test: Motions Of The Earth - Question 2

It is the position of the earth when the Northern Hemisphere has the longest day and the shortest night

Detailed Solution for Test: Motions Of The Earth - Question 2

The summer solstice , also known as midsummer, occurs when a planet's rotational axis, or geographical pole on either its Northern or its Southern Hemisphere is most greatly inclined toward the star that it orbits. On the summer solstice, Earth's maximum axial tilt toward the Sun is 23.44degree. (the Sun's declination from the celestial equator is 23.44degree.) This happens twice each year (once in each hemisphere), when the Sun reaches its highest position in the sky as seen from the North or South Pole

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Test: Motions Of The Earth - Question 3

An equinox happens each year

Detailed Solution for Test: Motions Of The Earth - Question 3

Equinoxes happen two times in a year when day and night are of equal length. In the Earth's Northern Hemisphere, for example, the vernal equinox cues the beginning of spring around March 21 and the autumnal equinox indicates the beginning of fall around September 23.

Test: Motions Of The Earth - Question 4

The earth travels around the ____ in elliptical.

Detailed Solution for Test: Motions Of The Earth - Question 4

Earth travels in an elliptical, or oval-shaped, orbit around the sun. As a result, the distance between Earth and the sun varies by about 3% throughout the year.

Test: Motions Of The Earth - Question 5

The sun's rays fall vertically on the ______ on 21st. June

Detailed Solution for Test: Motions Of The Earth - Question 5

On June 21 the Sun’s rays fall vertically on the tropic of Cancer. They usually fall on one spot somewhere, once a year, for a moment. The tropic of Cancer is a line which is located between the Arctic Circle and the Equator and describes how far from north you can be and you can still have the sun at your zenith during the summer season in the northern hemisphere.

Test: Motions Of The Earth - Question 6

What would happen if the earth did not rotate?

Detailed Solution for Test: Motions Of The Earth - Question 6
  • If the earth did not rotate, one side of the earth would always face the sun, leading to constant daylight there.
  • The other side would remain in continuous darkness, causing extreme cold.
  • This situation would make life very difficult as one side would be very hot and the other side very cold, making it hard for living things to survive.
Test: Motions Of The Earth - Question 7

What is the movement of the earth on its axis called?

Detailed Solution for Test: Motions Of The Earth - Question 7

Rotation is when the earth spins around like a top on its axis. It helps create day and night for all of us.

Test: Motions Of The Earth - Question 8

State whether the following statement is True or False

The earth rotates on its axis to create day and night.

Detailed Solution for Test: Motions Of The Earth - Question 8

In simple words, when the earth spins around like a spinning top, it makes daytime and nighttime for us. This spinning is what makes the sun appear to rise and set every day. So, it's like a big merry-go-round in the sky!

Test: Motions Of The Earth - Question 9
What is the angle of inclination of the earth's axis with its orbital plane?
Detailed Solution for Test: Motions Of The Earth - Question 9
  • The angle of inclination of the earth's axis with its orbital plane is 23.5 degrees. This tilt is the reason we experience different seasons throughout the year.
  • Imagine the Earth leaning just a little bit as it goes around the Sun, causing summer, winter, spring, and autumn to happen at different times of the year.
Test: Motions Of The Earth - Question 10

A leap year has _______________ number of days.

Detailed Solution for Test: Motions Of The Earth - Question 10

In a leap year, there are 366 days. This extra day is added to February to keep our calendars accurate. So, a leap year has one extra day compared to a regular year.

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