Which of the following is true about the lines of Latitude?

1. They are imaginary lines
2. They are parallel to the Equator
3. They reduce in length as we go towards the poles.
4. All of the above.

Which of the following is true about lines of longitude?

1. They run parallel to the Prime Meridian.
2. They are full circles
3. They are 360 lines at 1° interval.
4. All of the above.

The Earth has been divided into how many Time Zones?

1. 48
2. 20
3. 12
4. 24

What is Standard Time?

1. Uniform time based on a central meridian.
2. Time at 0° longitude
3. Time at 82°30'E
4. Time at 7½° longitudes at 12 noon.