Microbial population of a soil in general

Which of the following are reasons for frequent floods in regions surrounding Assam?

Which of the following is the largest west-flowing river in Peninsular India?

All Weather related phenomena take place in which layer of atmosphere?

Recently, linking of which of the following rivers was undertaken? 

Which was India's first National Park?

Which state is the first in India to receive rainfall from the southwest monsoon?

In which Indian state is the Maikal range located?

Which of the following is not the Source of River Ganga?

Consider the following pairs of local wind and their associated features.

Arrange the following North-Eastern hills in order starting from North to South:

1. Lushai Hills

2. Manipur Hills

3. Patkai Bum