International Date Line & Its Importance

Q.

What is IST? What is its importance?

Q. The Greenwich meridian passes through which of the following countries?

1. Togo
2. Portugal
3. Spain
4. Burkina Faso

Q. What is the time difference between the GMT and the IST?
IST- Indian Standard Time
GMT- Greenwich Mean Time

1. IST is equal to GMT
2. GMT is 5 hours 30 minutes ahead of IST
3. IST is 5 hours 30 minutes ahead of GMT
4. IST is less than 1 hours 30 minutes ahead of GMT

Q. With reference to IDL , the day on the Earth starts in the _____ and ends in the _______.

1. West, East
2. East, West
3. South, North
4. North, South

Q. A person who crosses IDL from west to east gains a day. So can he/she come back to their past?

1. Yes
2. No
3. Insufficient information
4. Not yet proven

Q. If you move from the west of the IDL to the east of the IDL you ____________.

1. lose a day
2. don't experience any change
3. experience fatigue
4. gain a day

Q. The International date line passes through the ______________ region.

1. Mid Atlantic
2. Mid Indian Ocean
3. Mid Pacific
4. Mid Asia

Q. In which country is Greenwich located?

1. Spain
2. Russia
3. England
4. Portugal

Q. The International Date Line (IDL) is at 180 degrees longitude and not at any other location. Why?

1. It is required that the IDL is farthest from the Greenwich meridian.
2. It is required that IDL does not cut cross any country.
3. It is required that IDL passes from the largest ocean.
4. IDL is changed from time to time from 90 degrees longitude to 270 degrees longitude from the Greenwich.

Q. A person travelling from Russia to Alaska, who crosses the IDL will __________.

1. lose a day
2. lose 2 days
3. gain a day
4. gain 2 days

Q. Which of the following statement(s) is/are correct about Ferdinand Magellan?

1. Ferdinand was a Portuguese trader.
2. He was the second human to cross the Pacific ocean.
3. He was the first to discover the sea route in the South of Chile.
4. He was the first to perform circumnavigation around the Earth.

Q. If you move from the east of IDL on 11 December to west of IDL, your date will become ________.

1. 12 December
2. 11 December
3. 10 December
4. 9 December

Q. The Prime Meridian passes through ___ degree longitude.

1. 45
2. 135
3. 90
4. 0

Q. Differentiate between choropleth and isopleth methods.

Q. The International Date Line functions as a “______________” separating two consecutive calendar dates.

1. Indefinite line
2. Open line
3. Void line
4. Line of demarcation

Q. I am the largest ocean in the world. International Date Line mostly passes through me. Who am I?

1. Indian Ocean
2. Arctic Ocean
3. Atlantic Ocean
4. Pacific Ocean

Q. What happens when Sid sailing at 180 degree longitude move ________, he will _______.

1. move back a day
2. move a day ahead
3. have same date

Q. Egan from South Africa loves Christmas which happens every 25th December; he was not able to sleep at 1 am on 26th December as he wanted to celebrate Christmas one more time, can you help him decide, in which countries he can actually go for celebrating Christmas by his personal jet?

1. Australia
2. Canada
3. India
4. Brazil

Q. The IDL mostly corresponds to the ________degree longitude but deviates eastward through the Bering Strait to avoid Siberia and then deviates westward to include the Aleutian Islands with Alaska.

1. 45
2. 90
3. 180
4. 20

Q. The Western Hemisphere is on the _____ of IDL.

1. East
2. South
3. West
4. North

Q. Rajat starts his Journey from Greenwich, London, and travel degree longitude north to reach the International Date Line.

1. 100
2. 150
3. 180

Q. Statement I: The International Date Line (IDL) divides the Earth into Eastern and Western hemispheres.

Statement II: The Coordinated Universal Time (or UTC) is the primary time standard by which the world regulates clocks and time.

Which of the following statement is correct?

1. Only statement I
2. Only statement II
3. Both statements are correct
4. Both statements are incorrect

Q. I have booked a flight from Tokyo on Friday, 1 April which arrives in San Francisco on Thursday, 31 March. What is the reason for this change in date?

1. International date line
2. Indian date line
3. State date line
4. Universal date line

Q. Our 24 hours day starts at 12 midnight because of earths revolution.

1. True
2. False

Q.

Aphelion takes place on –

1. December 22

2. July 4

3. June 23

4. March 4

Q.

Autumnal Equinox occurs on –

1. March 21

2. September 23

3. December 22

4. June 23

Q. Is there a flight ticket that goes back in time and day?

1. Insufficient information
2. Not yet proven
3. No
4. Yes

Q. What does the IDL ensure?

1. Right to travel
2. Uniform standard time for everyone
3. Clocks cannot say proper time
4. TV channels cannot stream anything live.

Q. Earth rotates from ______ to __________.

1. East, West
2. North, South
3. West, East
4. South, North

Q. Earth takes _____ hours to complete one full rotation.

1. 6
2. 1
3. 24
4. 2