INSIGHT UPSC QUIZ

Which one of the following is the correct sequence of ecosystem in the order of decreasing productivity?

The well through which water comes out through hydraulic pressure is called:

The soils which are rich in Calcium are known as:

Density of the earth’s atmosphere is highest in the:

The sphere of living matter together with water, air and soil on the surface of the earth is known as:

‘Flash floods’ are associated with:

Mounds of sand formed by wind action are called:

Plantation of trees on a large scale to check soil erosion are called:

Which of the following statements is correct?

The approximate circumference of the Earth is