Which dominant agent of gradation is operative in the following areas?
1.Thar
2. Northern plains
3. Gangotri
4. Mahabalipuram.

Which of the following regions of northern plains is the most fertile ?

Tank irrigation is popular in the (1) Coastal plains (2) North Indian plains (3) Deccan India (4) Gangetic valley

Insert the arithmetical operations in the following numerical figure 4__3__4=48

Consider the following statements - 1. Temperature of surface water is comparatively higher in the northern hemisphere 2. The isotherms in the southern hemisphere are not regular and do not follow the latitudes while they (isotherms) are regular and follow the latitudes in the northern hemisphere. Which of the statement (s) given above is/are correct ?

Which one of the following is the pattern of circulation around a low-pressure area in the northern hemisphere?

Identify the reducing agent in the following reactions 4NH_(3) +5O_(2) to 4NO + 6H_(2)O