Tag: landforms on earth and external processes

Ground water is an agent of erosion, transportation and deposition. Regarding ground water, pick correct statements.
(1) Water filling up joints and pores-spaces is ground water.
(2) Groundwater plays an important role in weathering and mass movement.
(3) It re-enters hydrological cycle as springs.
(4) Amount of water available as ground water depends upon climate, season and nature of rocks.

Regarding mass movement, choose the correct statements.
(1) Movement of weathered material down slope.
(2) Gravitational force of Earth is the reason for mass movement with multiple triggers.
(3) It is dependent upon gradient of slope, weight of weathered debris and presence of any trigger (lubricating agent or vibration).
(4) There are 3 types of mass movement.

Fluvial erosion is one of the most important exogenetic processes. On what factors does it depend?
(1) Channel gradient  (2) Volume of water
(3) Velocity of flow   (4) Water discharge   (5) Sediment load

Which of the following is/are not erosional land forms?
(1) Cliff
(2) Caves
(3) Wave-cut platform

If a small raindrop falls through air ______.

Which one of the following planetary wind is known to blow steadily in the same direction and in the constant course? 

Logically, what does a continually rising air pressure indicate? 

The windward slopes of coastal mountains which are at right angles to wind blowing from the sea are wetter than the leeward slopes. This is because _______.

What is the name of the winds that blow from the subtropical high pressure belt towards the subpolar low pressure belt?

Which of the following factors is primarily responsible for the planetary wind belts?