INSIGHT UPSC QUIZ

Widening of a river valley takes place due to:

A special type of well in which water rises automatically under the pressure of a column of water to the ground surface through a hole is known as:

Desertification can be checked by

The temperature increases rapidly above:

If a star is bigger than Sun, but not more than twice as big, it will turn into a 

Which planet is called evening star?

The angle between the magnetic meridian and the geographical meridian at a place is:

What is the alternate name for contour lines?

Which one of the following methods of soil conservation is most effective in arid areas?

Troposphere is the hottest part of the atmosphere because: