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

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

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 : Lateral erosion

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

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.

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.

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)

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

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

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

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

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

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

The main cause of meandering is (A) Presence of an excessive bed slope in the river (B) Degradation (C) The extra turbulence generated by the excess of river sediment during floods (D) None of the above

Description : The main cause of meandering is (A) Presence of an excessive bed slope in the river (B) Degradation (C) The extra turbulence generated by the excess of river sediment during floods (D) None of the above

Last Answer : Answer: Option C

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

Channelization of streams is designed to reduce flooding by ___________. a) Speeding the passage of floodwaters b) Reducing bank erosion c) Slowing down river velocity so as to reduce damage d) Increase the meandering of streams

Description : Channelization of streams is designed to reduce flooding by ___________. a) Speeding the passage of floodwaters b) Reducing bank erosion c) Slowing down river velocity so as to reduce damage d) Increase the meandering of streams

Last Answer : a) Speeding the passage of floodwaters

Tortuosity of a meandering river is the ratio of (A) Meander belt to meander length (B) Meander length to meander belt (C) Curved length along the channel to the direct axial length of the river reach (D) Direct axial length of the river reach to curved length along the channel

Description : Tortuosity of a meandering river is the ratio of (A) Meander belt to meander length (B) Meander length to meander belt (C) Curved length along the channel to the direct axial length of the river reach (D) Direct axial length of the river reach to curved length along the channel

Last Answer : Answer: Option C

Tortuosity of a meandering river is always (A) Equal to 1 (B) Less than 1 (C) Greater than 1 (D) Less than or equal to 1

Description : Tortuosity of a meandering river is always (A) Equal to 1 (B) Less than 1 (C) Greater than 1 (D) Less than or equal to 1

Last Answer : Answer: Option C

A river training work is generally required when the river is (A) Aggrading type (B) Degrading type (C) Meandering type (D) Both (A) and (B)

Description : A river training work is generally required when the river is (A) Aggrading type (B) Degrading type (C) Meandering type (D) Both (A) and (B)

Last Answer : Answer: Option C

The curved body of water formed when a meandering river reshapes and cuts off one of its bends is called: w) an Essing pond x) an Oxbow lake y) a Swensen pool z) a Groovy pool

Description : The curved body of water formed when a meandering river reshapes and cuts off one of its bends is called: w) an Essing pond x) an Oxbow lake y) a Swensen pool z) a Groovy pool

Last Answer : ANSWER: X -- AN OXBOW LAKE

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

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 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

Lake formed in a cut off river, meander is called: (1) Playa Lake (2) Meteoric Lake (3) Ox-Bow Lake (4) Crater Lake

Description : Lake formed in a cut off river, meander is called: (1) Playa Lake (2) Meteoric Lake (3) Ox-Bow Lake (4) Crater Lake

Last Answer : Ox-Bow Lake

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 temperature of water at the bottom of a large waterfall is higher than that of the water at the top. because (1) the falling water absorbs heat from the Sun. (2) the water at the bottom has greater potential energy. (3) the kinetic energy of the falling water is converted into heat. (4) rocks on the bed of the river give out heat.

Description : The temperature of water at the bottom of a large waterfall is higher than that of the water at the top. because (1) the falling water absorbs heat from the Sun. (2) the water at the bottom has greater ... of the falling water is converted into heat. (4) rocks on the bed of the river give out heat.

Last Answer : the kinetic energy of the falling water is converted into heat.

What is meant by Isthmus? (1) Mouth of a river where it joins the sea (2) Narrow strip of water dividing two land masses (3) Narrow strip of land dividing two oceans (4) Narrow strip of land connecting two large areas of land

Description : What is meant by Isthmus? (1) Mouth of a river where it joins the sea (2) Narrow strip of water dividing two land masses (3) Narrow strip of land dividing two oceans (4) Narrow strip of land connecting two large areas of land

Last Answer : Narrow strip of land dividing two oceans

Mushroom Rocks are the typical land forms seen in (1) River Valleys (2) Mountain tops (3) Coastal areas (4) Deserts

Description : Mushroom Rocks are the typical land forms seen in (1) River Valleys (2) Mountain tops (3) Coastal areas (4) Deserts

Last Answer : Deserts

The west to east extension of the Himalayas is from (1) Indus gorge to Dihang gorge (2) K2 to Chomoihari (3) Nanga Parbat to Namcha Barwa (4) Rakaposhi to Lohit river

Description : The west to east extension of the Himalayas is from (1) Indus gorge to Dihang gorge (2) K2 to Chomoihari (3) Nanga Parbat to Namcha Barwa (4) Rakaposhi to Lohit river

Last Answer : Indus gorge to Dihang gorge

The Grand Canyon is located on the : (1) Colorado River (2) Rhine River (3) Tapi River (4) Niger River

Description : The Grand Canyon is located on the : (1) Colorado River (2) Rhine River (3) Tapi River (4) Niger River

Last Answer : Colorado River

A place where there is constant intermingling of salt water and fresh water is ____ (1) Estuary (2) Delta (3) Gulf (4) Bay

Description : A place where there is constant intermingling of salt water and fresh water is ____ (1) Estuary (2) Delta (3) Gulf (4) Bay 

Last Answer : Estuary

What is the interval between a high tide and neaptide at a given place ? (1) 12 hours (2) 12 hours 26 minutes (3) 15 hours 30 minutes (4) 24 hours

Description : What is the interval between a high tide and neaptide at a given place ? (1) 12 hours (2) 12 hours 26 minutes (3) 15 hours 30 minutes (4) 24 hours

Last Answer : 12 hours 26 minutes

The amount of insolation received at a place on the surface of the earth depends upon: (1) its climate (2) the longitude of the place (3) its latitude (4) the altitude of the place

Description : The amount of insolation received at a place on the surface of the earth depends upon: (1) its climate (2) the longitude of the place (3) its latitude (4) the altitude of the place

Last Answer : its latitude

All vital atmospheric processes leading to various climatic and weather conditions take place in the : (1) Stratosphere (2) Troposphere (3) Ionosphere (4) Exosphere

Description : All vital atmospheric processes leading to various climatic and weather conditions take place in the : (1) Stratosphere (2) Troposphere (3) Ionosphere (4) Exosphere

Last Answer : Troposphere

Where does most of the weather phenomena take place? (1) Ionosphere (2)Troposphere (3) Stratosphere (4)Tropopause

Description : Where does most of the weather phenomena take place? (1) Ionosphere (2)Troposphere (3) Stratosphere (4)Tropopause

Last Answer : Troposphere

The angle between the magnetic meridian and the geographical meridian at a place is (1) Azimuth (2) Dip (3) Declination(4) Latitude

Description : The angle between the magnetic meridian and the geographical meridian at a place is (1) Azimuth (2) Dip (3) Declination(4) Latitude

Last Answer : Declination

The latitude of a place is expressed by its angular distance in relation to— (1) Equator (2) South Pole (3) Axis of the Earth (4) North Pole

Description : The latitude of a place is expressed by its angular distance in relation to— (1) Equator (2) South Pole (3) Axis of the Earth (4) North Pole

Last Answer : Equator

How many minutes for each degree of longitude does the local time of any place vary from the Greenwich time ? (1) Two minutes (2) Four minutes (3) Six minutes (4) Eight minutes

Description : How many minutes for each degree of longitude does the local time of any place vary from the Greenwich time ? (1) Two minutes (2) Four minutes (3) Six minutes (4) Eight minutes

Last Answer : Four minutes

When does solar eclipse take place ? (1) When the sun is between the moon and earth (2) When the earth is between the moon and sun (3) When the moon is between the sun and earth (4) When the moon does not lie on the line joining the sun and earth

Description : When does solar eclipse take place ? (1) When the sun is between the moon and earth (2) When the earth is between the moon and sun (3) When the moon is between the sun and earth (4) When the moon does not lie on the line joining the sun and earth

Last Answer : When the moon is between the sun and earth 

Sea breeze is formed during (1) Day time (2) Night time (3) Both (4) Seasonal

Description : Sea breeze is formed during (1) Day time (2) Night time (3) Both (4) Seasonal 

Last Answer : Day time

Storms of gases are visible in the chromosphere of the Sun during (1) Cyclones (2) Anticyclones (3) Lunar eclipse (4) Solar eclipse

Description : Storms of gases are visible in the chromosphere of the Sun during (1) Cyclones (2) Anticyclones (3) Lunar eclipse (4) Solar eclipse

Last Answer : Solar eclipse

The climate of North America is influenced during winter by the (1) Polar airmasses (2) Warm airmasses (3) Continental airmasses (4) Tropical airmasses

Description : The climate of North America is influenced during winter by the (1) Polar airmasses (2) Warm airmasses (3) Continental airmasses (4) Tropical airmasses

Last Answer : Tropical airmasses

An Equinox is when: (1) Day and night are of equal length (2) Day is of the shortest duration during the year (3) Day is of the longest duration in the year (4) Day when maximum rainfall of the year occurs

Description : An Equinox is when: (1) Day and night are of equal length (2) Day is of the shortest duration during the year (3) Day is of the longest duration in the year (4) Day when maximum rainfall of the year occurs

Last Answer : Day and night are of equal length

Which of the following refers to the white salt which covers the land in some areas during dry season? (1) usar (2) reh (3) erg (4) reg

Description : Which of the following refers to the white salt which covers the land in some areas during dry season? (1) usar (2) reh (3) erg (4) reg

Last Answer : reh

The darkest portion of the shadow cast during an eclipse is (1) Corona (2) Umbra (3) Penumbra (4) Black hole

Description : The darkest portion of the shadow cast during an eclipse is (1) Corona (2) Umbra (3) Penumbra (4) Black hole

Last Answer : Umbra