21. The most pleasant elements i.e. summer temperatures rarely above 40 and winters are fairly mild, occur in the

A. tropical mid-latitude zone
B. sub-tropical latitude zone
C. temperature mid-latitude zone
D. sub-temperature latitude zone

22. The movement of particles by rolling, sliding and shuffling along the eroded surface is called

A. saltation
B. suspension
C. traction
D. solution

23. Which of the following is an igneous rock?

A. Granite
B. Limestone
C. Slate
D. Quartzite

24. The main dividing line between the geological regions of the Indo Gangetic plain and the peninsula is

A. The Vindhya range
B. The Aravallis
C. The Nilgiri hills
D. The Satpwas

25. The mean basin area of successive ordered streams formed a linear relationship when graphed. This statement is given by

A. Morph metric analysis
B. Law of drainage composition
C. Law of basin areas
D. None of the above