INSIGHT UPSC QUIZ

Natural sources of air pollution are:

Who proposed Continental drift theory?

How much of the Earth’s land surface is desert?

The transfer of minerals from top soil to subsoil through soil-water is called?

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

The rate of deforestation is high in:

In a desert region, soil erosion can be checked by:

The approximate circumference of the Earth is

Which of the following mountain range separates Europe and Asia?

Read the following statements carefully about interior of the Earth:

1. Asthenosphere is considered as source region of Mid-Oceanic Ridge Basalt.

2. Lower Mantle of the Earth’s surface is involved in plate tectonic movement and isostatic adjustments. 

3. Oxygen is the most abundant element in the Earth’s crust. 

Choose the correct answer using codes given below: