Q. A depression or hollow of considerable area extent surrounded on the side by two or more elevated tracts is called __________

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Q. The type of valley most common on Earth is __________

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Q. The river valleys are typically of which shaped sections?

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Q. What is the weathering of the exposed walls by physical and chemical processes followed by slippage of weathered products into river below under the action of gravity called?

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Q. The modification of valley walls by undercutting, weathering and erosion is called __________

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Q. The type of valley formed when incision is a major process and denudation is almost absent is __________

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Q. Deep saw cut valleys with slightly opened up tops indicating some denudation are specially referred as __________

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Q. Types of gorges where the strata involved in down cutting is essentially horizontal or nearly so are called __________

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Q. The valleys which are V-shaped are always symmetrical.

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Q. The type of valley formed when the incision and denudation are approximately equal __________

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Q. Valleys in which the incision becomes negligible and denudation of slopes is major process are __________

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Q. Depending upon the extent of incision and denudation occurred during the formation of a valley, how many broad classes of valleys are present?

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Q. Which is the largest lake in the world?

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Q. Lakes can be free from salt because of the presence of __________

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Q. Wular lake in Kashmir receives water from which river?

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Q. Which is the largest fresh water lake in the world?

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

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Q. Caspian sea is which type of lake?

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Q. Pick the lake not belonging to salt water type?

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Q. Basins formed due to faulting, folding are called __________

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