Widening of a river valley takes place due to (1) Corrosion (2) Lateral erosion (3) Corrasion (4) Hydraulic action

Widening of a river valley takes place due to (1) Corrosion (2) Lateral erosion (3) Corrasion (4) Hydraulic action
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Lateral erosion
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Widening of a river valley takes place due to – (1) Corrosion (2) Lateral erosion (3) Corrasion (4) Hydraulic action

Description : Widening of a river valley takes place due to – (1) Corrosion (2) Lateral erosion (3) Corrasion (4) Hydraulic action

Last Answer : (2) Lateral erosion Explanation: Lateral or sideways erosion widens the river valley; while, Vertical or downward erosion deepens the river valley. Due to continued lateral erosion, the river ... slopes are also eroded by weathering and mass wasting and by the development of tributary valleys.

What process takes place during the youthful stage of a river ? (1) Valley widening (2) River rejuvenating (3) Valley deepening (4) Meandering

Description : What process takes place during the youthful stage of a river ? (1) Valley widening (2) River rejuvenating (3) Valley deepening (4) Meandering

Last Answer : Valley deepening

The sideways erosion which widens the river valley called? (1) Lateral Corrosion (2) Vertical Corrosion (3) Side Corrosion (4) Mean Corrosion

Description : The sideways erosion which widens the river valley called? (1) Lateral Corrosion (2) Vertical Corrosion (3) Side Corrosion (4) Mean Corrosion

Last Answer : (1) Lateral Corrosion Explanation: Sideways form of erosion is called lateral erosion. In lateral erosion, the river erodes away at its banks and widens the river channel. Together, vertical and lateral erosion create the distinctive V-shaped valley that is found in rivers in their upper course.

Hydraulic Action is a type of erosion caused by (1) Running water (2) Wind (3) Glacier (4) None of these

Description : Hydraulic Action is a type of erosion caused by (1) Running water (2) Wind (3) Glacier (4) None of these

Last Answer : Running water

What process takes place during the youthful stage of a river? (1) Valley widening (2) River rejuvenating (3) Valley deepening (4) Meandering

Description : What process takes place during the youthful stage of a river? (1) Valley widening (2) River rejuvenating (3) Valley deepening (4) Meandering

Last Answer : (3) Valley deepening Explanation: The youthful stage of the river is when water flow is the quickest. Because of steep slope and steep channel gradient in this stage, rivers actively deepen ... slopes of convex plan. Waterfalls, Vshaped valleys and interlocking spurs are features of this stage.

Which of the following is a typical feature of river erosion in youthful stage ? (1) Ox-bow lake (2) Gorge (3) Valley in valley (4) Cut-bank

Description : Which of the following is a typical feature of river erosion in youthful stage ? (1) Ox-bow lake (2) Gorge (3) Valley in valley (4) Cut-bank

Last Answer : Gorge

Hanging Valley is formed due to the action of (1) Glacier (2) River (3) Ocean (4) Wind

Description : Hanging Valley is formed due to the action of (1) Glacier (2) River (3) Ocean (4) Wind

Last Answer : Glacier

Rift Valley is formed (1) between two anticlines (2) between two faults (3) erosion of synclinal basin (4) due to volcanic eruption

Description : Rift Valley is formed (1) between two anticlines (2) between two faults (3) erosion of synclinal basin (4) due to volcanic eruption

Last Answer : between two faults

The main cause of recurring flood is (1) Soil erosion (2) Deforestation (3) Silting of river beds (4) All of the above

Description : The main cause of recurring flood is (1) Soil erosion (2) Deforestation (3) Silting of river beds (4) All of the above

Last Answer : All of the above

The greatest erosive power of a river is associated with (1) gorges (2) meanders (3) inter-locking spurs (4) V-shaped valley

Description : The greatest erosive power of a river is associated with (1) gorges (2) meanders (3) inter-locking spurs (4) V-shaped valley

Last Answer : meanders

A landscape which is caused due to the fissure in the earth along which one side has moved down with reference to the other is known as (1) Rift Valley (2) U Shaped Valley (3) V Shaped Valley (4) Hanging Valley

Description : A landscape which is caused due to the fissure in the earth along which one side has moved down with reference to the other is known as (1) Rift Valley (2) U Shaped Valley (3) V Shaped Valley (4) Hanging Valley

Last Answer : Rift Valley

The well through which water comes out through hydraulic pressure is called (1) Ordinary well (2) Tube well (3) Deep tube well (4) Artesian well

Description : The well through which water comes out through hydraulic pressure is called (1) Ordinary well (2) Tube well (3) Deep tube well (4) Artesian well

Last Answer : Artesian well

Tides in the sea have stored in them : (1) Hydraulic energy (2) Kinetic energy (3) Gravitational potential energy (4) A combination of all the above three forms of energy

Description : Tides in the sea have stored in them : (1) Hydraulic energy (2) Kinetic energy (3) Gravitational potential energy (4) A combination of all the above three forms of energy

Last Answer : Gravitational potential energy

Which one of the following is the indirect use of forests ? (1) Medicinal plants (2) Checking soil erosion (3) Building material (4) Grazing

Description : Which one of the following is the indirect use of forests ? (1) Medicinal plants (2) Checking soil erosion (3) Building material (4) Grazing

Last Answer : Checking soil erosion

Salination of soil is caused by (1) pesticides (2) soil erosion (3) excess irrigation (4) crop rotation

Description : Salination of soil is caused by (1) pesticides (2) soil erosion (3) excess irrigation (4) crop rotation

Last Answer : excess irrigation

The remedies to soil erosion are : I. Contour bunding II. Regulation of land use III. Cutting of trees IV. Allowing grazing of animals (1) I, III (2) I, II (3) III, IV (4) II, III

Description : The remedies to soil erosion are : I. Contour bunding II. Regulation of land use III. Cutting of trees IV. Allowing grazing of animals (1) I, III (2) I, II (3) III, IV (4) II, III

Last Answer :  I, II

Soil erosion can be prevented by (1) Increasing bird population (2) Afforestation (3) Removal of vegetation (4) Overgrazing

Description : Soil erosion can be prevented by (1) Increasing bird population (2) Afforestation (3) Removal of vegetation (4) Overgrazing

Last Answer : Afforestation

In a desert region, soil erosion can be checked by (1) Contour ploughing (2) Using farm manure (3) Tree plantation/Afforestaion (4) Crop rotation

Description : In a desert region, soil erosion can be checked by (1) Contour ploughing (2) Using farm manure (3) Tree plantation/Afforestaion (4) Crop rotation

Last Answer : Tree plantation/Afforestaion

Plantation of trees on a large scale to check soil erosion are called: (1) Shelter belts (2) Contour ploughing (3) Strip cropping (4) Afforestation

Description : Plantation of trees on a large scale to check soil erosion are called: (1) Shelter belts (2) Contour ploughing (3) Strip cropping (4) Afforestation

Last Answer : Afforestation

In a desert region, soil erosion can be checked by (1) Tree plantation/afforestation (2) Crop rotation (3) Contour ploughing (4) Using farm manure

Description : In a desert region, soil erosion can be checked by (1) Tree plantation/afforestation (2) Crop rotation (3) Contour ploughing (4) Using farm manure

Last Answer : Tree plantation/afforestation

Soil erosion on hill slopes can be checked by (1) Afforestation (2) Terrace cultivation (3) Strip cropping (4) Contour ploughing

Description : Soil erosion on hill slopes can be checked by (1) Afforestation (2) Terrace cultivation (3) Strip cropping (4) Contour ploughing

Last Answer : Terrace cultivation

Which one of the following does not cause soil erosion ? (1) Deflation (2) Deforestation (3) Weathering (4) Overcropping

Description : Which one of the following does not cause soil erosion ? (1) Deflation (2) Deforestation (3) Weathering (4) Overcropping

Last Answer : Deflation

The main advantage of Rain? Water Harvesting (RWH) is (1) Recharge ground water (2) Avoid floods (3) Reduce the loss of water (4) Avoid soil erosion

Description : The main advantage of Rain? Water Harvesting (RWH) is (1) Recharge ground water (2) Avoid floods (3) Reduce the loss of water (4) Avoid soil erosion

Last Answer : Recharge ground water

The land forms formed by wave erosion is : (1) Spit (2) Beach (3) Cave (4) Barrier island

Description : The land forms formed by wave erosion is : (1) Spit (2) Beach (3) Cave (4) Barrier island

Last Answer : Cave

Granite, quartzite areas have upstanding look because (1) mechanically wealthered faster (2) these rocks are resistant to all kinds of erosion (3) these rocks are not easily croded (4) not easily worn down

Description : Granite, quartzite areas have upstanding look because (1) mechanically wealthered faster (2) these rocks are resistant to all kinds of erosion (3) these rocks are not easily croded (4) not easily worn down

Last Answer : not easily worn down

The formation of ‘Mushroom rock’ in desert region is an example of (1) Deflation (2) Attrition (3) Abrasion (4) Erosion

Description : The formation of ‘Mushroom rock’ in desert region is an example of (1) Deflation (2) Attrition (3) Abrasion (4) Erosion

Last Answer : Abrasion

Breaking down of rock in situ is known as (1) Erosion (2) Weathering (3) Mass wasting (4) Degradation

Description : Breaking down of rock in situ is known as (1) Erosion (2) Weathering (3) Mass wasting (4) Degradation 

Last Answer : Weathering

Which one of the following types of erosion is responsible for the formation of Chambal Ravines ? (1) Splash (2) Sheet (3) Rill (4) Gully

Description : Which one of the following types of erosion is responsible for the formation of Chambal Ravines ? (1) Splash (2) Sheet (3) Rill (4) Gully

Last Answer : Gully

Which one of the following types of erosion is responsible for the formation of Chambal Ravines? (1) Splash (2) Sheet (3) Rill (4) Gully

Description : Which one of the following types of erosion is responsible for the formation of Chambal Ravines? (1) Splash (2) Sheet (3) Rill (4) Gully

Last Answer : Gully

In which of the following layer of atmosphere the absorption and scattering of the solar ultraviolet radiation takes place? (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Thermosphere

Description : In which of the following layer of atmosphere the absorption and scattering of the solar ultraviolet radiation takes place? (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Thermosphere

Last Answer : Stratosphere

Terrigenous deposits are found in (1) Deep Sea Plain (2) Ocean Trenches (3) Rift Valley (4) Continental Shelf and Slope

Description : Terrigenous deposits are found in (1) Deep Sea Plain (2) Ocean Trenches (3) Rift Valley (4) Continental Shelf and Slope

Last Answer : Continental Shelf and Slope

Natural embankments found on upper valley sides are-known as (1) high banks (2) levees (3) bunds (4) ridge

Description : Natural embankments found on upper valley sides are-known as (1) high banks (2) levees (3) bunds (4) ridge

Last Answer : levees

Which of the following rivers lies in a rift valley? (1) Luni (2) Chambal (3) Sone (4) Tapti

Description : Which of the following rivers lies in a rift valley? (1) Luni (2) Chambal (3) Sone (4) Tapti

Last Answer : Tapti

Hanging Valley is very common in (1) high mountains (2) sub-Arctic region (3) glaciated areas (4) coastal belt

Description : Hanging Valley is very common in (1) high mountains (2) sub-Arctic region (3) glaciated areas (4) coastal belt

Last Answer : glaciated areas

Damage to metal surface by mechanical action is called (A) Pitting (B) Corrosion (C) Erosion (D) None of these

Description : Damage to metal surface by mechanical action is called (A) Pitting (B) Corrosion (C) Erosion (D) None of these

Last Answer : Option C

Hydraulic Action is a type of erosion caused by – (1) Running water (2) Wind (3) Glacier (4) None of these

Description : Hydraulic Action is a type of erosion caused by – (1) Running water (2) Wind (3) Glacier (4) None of these

Last Answer : (1) Running water Explanation: Hydraulic action is one of the main forms of river erosion (example, of erosion due to running water) in which the force of the river against the banks can cause air to be trapped in cracks and crevices. The pressure weakens the banks and gradually wears it away.

Which is a type of erosion caused by hydraulic action

Description : Which is a type of erosion caused by hydraulic action

Last Answer : flowing water

Depression formed due to deflating action of winds are called (1) Playas (2) Yardang (3) Ventifacts (4) Sand dunes

Description : Depression formed due to deflating action of winds are called (1) Playas (2) Yardang (3) Ventifacts (4) Sand dunes

Last Answer : Yardang

Which of the following is a typical feature of river erosion in youthful stage? (1) Ox-bow lake (2) Gorge (3) Valley in valley (4) Cut-bank

Description : Which of the following is a typical feature of river erosion in youthful stage? (1) Ox-bow lake (2) Gorge (3) Valley in valley (4) Cut-bank

Last Answer : (2) Gorge Explanation: Youthful rivers or streams are typically found in the highland or mountainous areas. They are characterized by steep slopes, a relatively small volume of water and rapid ... small lakes, waterfalls, rapids, V-shaped valleys, gorges and interlocking spurs are frequently found.

The planet that takes 88 days to make one revolution of the sun is : (1) Mercury (2) Saturn (3) Jupiter (4) Mars

Description : The planet that takes 88 days to make one revolution of the sun is : (1) Mercury (2) Saturn (3) Jupiter (4) Mars

Last Answer : Mercury

Rusting of iron takes place due to – (1) oxidation (2) carbonation (3) exfoliation (4) corrosion

Description : Rusting of iron takes place due to – (1) oxidation (2) carbonation (3) exfoliation (4) corrosion

Last Answer : (1) oxidation Explanation: The rusting of iron is an electrochemical process that begins with the transfer of electrons from iron to oxygen. The rate of corrosion is affected by water and accelerated by ... iron is in contact with water, oxygen, or other strong oxidants, or acids, it rusts.

Rusting of iron takes place due to (1) oxidation (2) carbonation (3) exfoliation (4) corrosion

Description : Rusting of iron takes place due to (1) oxidation (2) carbonation (3) exfoliation (4) corrosion 

Last Answer : oxidation

A rift valley is formed mainly due to: [NDA 2003] (a) forces of tension in the earth's crust (b) the subsidence of the floor of a river valley (c) the valley formed after the formation of fold mountains (d) the deepening of a valley by ice action

Description : A rift valley is formed mainly due to: [NDA 2003] (a) forces of tension in the earth's crust (b) the subsidence of the floor of a river valley (c) the valley formed after the formation of fold mountains (d) the deepening of a valley by ice action

Last Answer : Ans: (b)

Hanging Valley is formed due to the action of – (1) Glacier (2) River (3) Ocean (4) Wind

Description : Hanging Valley is formed due to the action of – (1) Glacier (2) River (3) Ocean (4) Wind

Last Answer : (1) Glacier Explanation: A hanging valley is a tributary valley with the floor at a higher relief than the main channel into which it flows. They are most commonly associated with U-shaped ... were originally at the same elevation, the shallower valley appears to be 'hanging' above the main valley

The food chain refers to the transfer of energy from : (1) the interior of the earth to the surface (2) lower to higher latitudes (3) one organism to another (4) organisms of the land to those of the sea by means of river

Description : The food chain refers to the transfer of energy from : (1) the interior of the earth to the surface (2) lower to higher latitudes (3) one organism to another (4) organisms of the land to those of the sea by means of river

Last Answer : one organism to another

A broad, low embankment built up along the banks of a river channel during floods is called (1) Delta (2) Levee (3) Flood Plain (4) Dune

Description : A broad, low embankment built up along the banks of a river channel during floods is called (1) Delta (2) Levee (3) Flood Plain (4) Dune

Last Answer : Levee

A drainage pattern where a river is joined by its tributaries approximately at right angles is ____________ (1) Dendritic (2) Trellis (3) Rectangular(4) Radial

Description : A drainage pattern where a river is joined by its tributaries approximately at right angles is ____________ (1) Dendritic (2) Trellis (3) Rectangular(4) Radial

Last Answer : Trellis

The ‘graded profile’ of a river course is a (1) smooth curve from source to mouth. (2) smooth curve in the upper course. (3) smooth curve in the middle course. (4) smooth curve in the lower course.

Description : The ‘graded profile’ of a river course is a (1) smooth curve from source to mouth. (2) smooth curve in the upper course. (3) smooth curve in the middle course. (4) smooth curve in the lower course. 

Last Answer : smooth curve from source to mouth.

The longest river in Asia is (1) River Indus (2) River Yangtze (3) River Hwang Ho (4) River Ganga

Description : The longest river in Asia is (1) River Indus (2) River Yangtze (3) River Hwang Ho (4) River Ganga

Last Answer : River Yangtze 

Moraines are formed in (1) River deltas (2) Arid regions (3) Glacial regions (4) Monsoon region

Description : Moraines are formed in (1) River deltas (2) Arid regions (3) Glacial regions (4) Monsoon region

Last Answer : Glacial regions