Which one of the following is the oldest era in Geological History determining the age of various rock types?

A geographical grid has :

1. Lines that run east to west around the globe to mark latitude

2. Lines that run north to south from north pole to south pole indicate longitude

Which of the statements given above is/are correct?

First World Environment Day (WED) was celebrated in which year?

Which one of the following is the usual unit of measurement for Air Pressure used in India?

In which one of the following states "Roopkund' lake is located?

Which one of the following statements is NOT correct?

Which one of the following soils is ideal for growing cotton?

Which one of the following crops is generally benefitted by the rain caused by western disturbances in India?

The 480 MW Phukot Karnali Hydro Electric Project is situated in

Consider the following statements about a river:

This river originates in the Hindu Kush mountain range and flows into Hamoun wetlands after covering a long stretch of about 1,100 km. There has been serious conflicts between two neighbouring nations regarding the sharing of water from this river.

Identify the river from the following:

Which one of the following pairs of city and industry is NOT correctly matched?