1. The type of valley formed when incision and denudation are approximately equal ______

2. How any broad classes of mountains are recognized based on mode of origin?

3. Pick lake not belonging to salt water type?

4. What is wearing of exposed walls by physical and chemical processes followed by slippage of weared products into river below under action of gravity called?

5. Mountains resulting from depression of blocks of Earth crust on a large scale due to faulting are called ______

6. Which of following is not cause for saline lake presence of an outlet?

7. When a number of mountain ranges and ridges continue for extensive distances for thousands of kilometres maintaining ir characteristic features throughout, term used is ______

8. Which is largest lake in world?

9. Pick mountain which does not belong to folded mountains.

10. The doline type of lakes are carved out of which rocks?