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GENERAL KNOWLEDGE QUIZ-GEOGRAPHY 3

7/2/2018

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                                NCERT 6 TH AND 7 TH CLASS QUIZ FOR EXAM ASPIRANT 
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ANSWER THE FALLOWING QUESTION (1-5)

(1) Match the following.
(i) Core                     (a) Earth’s surface
(ii) Minerals             (b) Used for roads and buildings
(iii) Rocks                 (c) Made of silicon and alumina
(iv) Clay                    (d) Has definite chemical composition
(v) Sial                      (e) Innermost layer
                                  (f) Changes into slate
                                  (g) Process of transformation of the rock

(2) Which is not an erosional feature of sea waves?
(a) Cliff
(b) Beach
(c) Sea cave

(3) The depositional feature of a glacier is:
(a) Flood plain
(b) Beach
(c) Moraine

(4) Which is caused by the sudden movements of the earth?
(a) Volcano
(b) Folding
(c) Flood plain

(5) Mushroom rocks are found in
(a) Deserts
(b) River valleys
(c) Glaciers

EXPLANATION(1-5)

Q.1) Answer(1-e, 2-d, 3-b, 4-f, 5-c) 
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Q.2) Answer(b) 
The erosion and deposition of the sea waves gives rise to coastal landforms. Seawaves continuously strike at the rocks. Cracks develop. Over time they become larger and wider. Thus, hollow like caves are formed on the rocks. They are called sea caves. As these cavities become bigger and bigger only the roof of the caves remain, thus forming sea arches. Further, erosion breaks the roof and only walls are left. These wall like features are called stacks. The steep rocky coast rising almost vertically above sea water is called sea cliff. The sea waves deposit sediments along the shores forming beaches.

Q.3) Answer(c)
Glaciers are “rivers of ice” which too erode the landscape by bulldozing soil and stones to expose the solid rock below. Glaciers carve out deep hollows there. As the ice melts they get filled up with water and become beautiful lakes in the mountains. The material carried by the glacier such as rocks big and small, sand and silt gets deposited. These deposits form glacial moraines. 

Q.4) Answer(a) 
The earth movements are divided on the basis of the forces which cause them. The forces which act in the interior of the earth are called as Endogenic forces and the forces that work on the surface of the earth are called as Exogenic forces
Endogenic forces sometimes produce sudden movements and at the other times produce slow movements. Sudden movements like earthquakes and volcanoes cause mass destruction over the surface of the earth.
​
Q.5) Answer(a)
In deserts you can see rocks in the shape of a mushroom, commonly called mushroom rocks. Winds erode the lower section of the rock more than the upper part. Therefore, such rocks have narrower base and wider top.

ANSWER THE FALLOWING QUESTION(6-10)

(6) Ox bow lakes are found in:
(a) Glaciers
(b) River valleys
(c) Deserts

(7) Match the following.
(i) Glacier                (a) Sea shore
(ii) Meanders         (b) Mushroom rock
(iii) Beach               (c) River of ice
(iv) Sand dunes     (d) Rivers
(v) Waterfall           (e) Vibrations of earth
(vi) Earthquake     (f) Sea cliff
                                 (g) Hard bed rock
                                 (h) Deserts

(8) Which of the following gases protects us from harmful sun rays ?
(a) Carbon dioxide
(b) Nitrogen
(c) Ozone

(9) The most important layer of the atmosphere is
(a) Troposphere
(b) Thermosphere
(c) Mesosphere

(10) Which of the following layers of the atmosphere is free from clouds?
(a) Troposphere
(b) Stratosphere
(c) Mesosphere

EXPLANATION(6-10)

Q.6) Answer(b)
As the river enters the plain it twists and turns forming large bends known as meanders. Due to continuous erosion and deposition along the sides of the meander, the ends of the meander loop come closer and closer. In due course of time the meander loop cuts off from the river and forms a cut-off lake, also called an ox-bow lake.

Q.7) Answer(1-c, 2-d, 3-a, 4-b, 5-g, 6-e)
(i) Glacier 
Glaciers are “rivers of ice” which too erode the landscape by bulldozing soil and stones to expose the solid rock below. Glaciers carve out deep hollows there. As the ice melts they get filled up with water and become beautiful lakes in the mountains. The material carried by the glacier such as rocks big and small, sand and silt gets deposited. These deposits form glacial moraines.
(ii) Meanders 
As the river enters the plain it twists and turns forming large bends known as meanders. Due to continuous erosion and deposition along the sides of the meander, the ends of the meander loop come closer and closer. In due course of time the meander loop cuts off from the river and forms a cut-off lake, also called an ox-bow lake.
(iii) Beach 
The sea waves deposit sediments along the shores forming beaches.
(iv) Sand dunes 
When the wind blows, it lifts and transports sand from one place to another. When it stops blowing the sand falls and gets deposited in low hill – like structures. These are called sand dunes. When the grains of sand are very fine and light, the wind can carry it over very long distances. When such sand is deposited in large areas, it is called loess. Large deposits of loess is found in China.
(v) Waterfall 
The running water in the river erodes the landscape. When the river falling at steep angle over very hard rocks or down a steep valley side it forms a waterfall        
(vi) Earthquake

when the Lithospheric plates move, the surface of the earth vibrates. The vibrations can travel all round the earth. These vibrations are called earthquakes

Q.8) Answer(c)
One important feature of stratosphere is that it contains a layer of ozone gas.it protects us from the harmful effect of the sun rays.

Q.9) Answer(a)
Troposphere: This layer is the most important layer of the atmosphere. Its average height is 13 km. The air we breathe exists here. Almost all the weather phenomena like rainfall, fog and hailstorm occur in this layer.

Q.10) Answer(b)
​Stratosphere: Above the troposphere lies the stratosphere. It extends up to a height of 50 km. This layer is almost free from clouds and associated weather phenomenon, making conditions most ideal for flying aeroplanes.

ANSWER THE FALLOWING QUESTION(11-15)

(11) As we go up the layers of the atmosphere, the pressure
(a) Increases
(b) Decreases
(c) Remains the same

(12) When precipitation comes down to the earth in the liquid form it is called
(a) Cloud
(b) Rain
(c) Snow

(13) The process by which water continually changes its form and circulates between oceans, atmosphere and land
(a) Water cycle
(b) Tides
(c) Ocean currents

(14) Generally the warm ocean currents originate near
(a) Poles
(b) Equator
(c) None of these

(15) The rythmic rise and fall of ocean water twice in a day is called
(a) Tide
(b) Ocean current
(c) Wave

EXPLANATION(11-15)
​

Q.11) Answer(b)

As we go up the layers of atmosphere, the pressure falls rapidly. The air pressure is highest at sea level and decreases with height.

Q.12) Answer(b) 
When the water vapour rises, it starts cooling. The water vapour condenses causing formation of droplets of water. Clouds are just masses of such water droplets. When these droplets of water become too heavy to float in air, then they come down as precipitation.Precipitation that comes down to the earth in liquid form is called rain.

Q.13) Answer(a) 
The sun’s heat causes evaporation of water into vapour. When the water vapour cools down, it condenses and forms clouds. From there it may fall on the land or sea in the form of rain, snow or sleet. The process by which water continually changes its form and circulates between oceans, atmosphere and land is known as the water cycle

Q.14) Answer(b) 
the warm ocean currents originate near the equator and move towards the poles. The cold currents carry water from polar or higher latitudes to tropical or lower latitudes. The Labrador Ocean current is cold current while the Gulf Stream is a warm current. The ocean current influence the temperature conditions of the area. Warm currents bring about warm temperature over land surface. The areas where the warm and cold currents meet provide the best fishing grounds of the world. Seas around Japan and the eastern coast of North America are such examples. The areas where a warm and cold current meet also experience foggy weather making it difficult for navigation.

Q.15) Answer(a)
The rhythmic rise and fall of ocean water twice in a day is called a tide. It is high tide when water covers much of the shore by rising to its highest level. It is low tide when water falls to its lowest level and recedes from the shore.

ANSWER THE FALLOWING QUESTION(16-20)

(16) Mosses and Lichens are found in:
(a) Desertic Vegetation
(b) Tropical evergreen forest
(c) Tundra vegetation
​
(17) Thorny bushes are found in:
(a) Hot and humid tropical climate
(b) Hot and dry desertic climate
(c) Cold polar climate

(18) In tropical evergreen forest, one of the common animals is:
(a) Monkey
(b) Girraffe
(c) Camel

(19) One important variety of coniferous forest is:
(a) Rosewood
(b) Pine
(c) Teak

(20) Steppe grassland is found in
(a) S. Africa
(b) Australia
(c) Central Asia

EXPLANATION(16-20)

Q.16) Answer(c)
the polar region you will find the place extremely cold. The growth of natural vegetation is very limited here. Only mosses, lichens and very small shrubs are found here. It grows during the very short summer. This is called Tundra type of vegetation. This vegetation is found in the polar areas of Europe, Asia and North America.

Q.17) Answer(b) 
Thorny bushes are found in the dry desert like regions.Tropical deserts are located on the western margins of the continents. The vegetation cover is scarce here because of scanty rain and scorching heat.

Q.18) Answer(a)
These forests are also called tropical rainforests. These thick forests occur in the regions near the equator and close to the tropics. These regions are hot and receive heavy rainfall throughout the year.The thick canopies of the closely spaced trees do not allow the sunlight to penetrate inside the forest even in the day time. Hardwood trees like rosewood, ebony, mahogany are common here.Tigers, lions, elephants, langoors and monkeys are the common animals of these regions

Q.19) Answer(b)
In the higher latitudes (50° – 70°) of Northern hemisphere the spectacular Coniferous forests are found. These are also called as Taiga. These forests are also seen in the higher altitudes.Chir, pine, cedar are the important variety of trees in these forests. Silver fox, mink, polar bear are the common animals found here.

Q.20) Answer(c)
Grasslands are known by different names in different regions.
Tropical Grasslands
East Africa- Savanna
Brazil- Campos
Venezuela- Llanos
Temperate Grasslands
Argentina- Pampas
N. America- Prairie
S. Africa- Veld
C. Asia- Steppe
Australia- Down
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ANSWER THE FALLOWING QUESTION(21-25)

(21) Which type of road is constructed under the ground?
(a) fly over
(b) expressways
(c) subways

(22) Which mode of transport is most suitable to reach an island?
(a) ship
(b) train
(c) car

(23) Toucans are a type of
(a) birds
(b) animals
(c) crops

(24) Kolkata is located on the river
(a) Orange
(b) Hooghly
(c) Bhagirathi

(25) Deodars and firs are a type of
(a) Coniferous trees
(b) Deciduous trees
(c) shrubs

EXPLANATION(21-25)
Q.21) Answer(c) 
The most commonly used means of transport especially for short distances are roads. They can be metalled (pucca) and unmetalled (kutcha) . The plains have a dense network of roads. Roads have also been build in terrains like deserts, forests and even high mountains. Manali-Leh highway in the Himlayan Mountains is one of the highest roadways in the world. Roads built underground are called subways/under paths. Flyovers are built over raised structures.

Q.22) Answer(a) 
ship

Q.23) Answer(a)
As it rains heavily in this region, thick forests grow. The forests are in fact so thick that the dense “roof” created by leaves and branches does not allow the sunlight to reach the ground.
The rainforest is rich in fauna. Birds such as toucans

Q.24) Answer(b)
Kolkata  located along the River Ganga, Kolkata is an important port on the River Hooghly.

Q.25) Answer(a)
​In parts of Uttarakhand, Sikkim and Arunachal Pradesh, coniferous trees like pine, deodar and fir can be seen because the climate is cool and the slopes are steep.
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    GK-GEOGRAPHY-1
    GK-GEOGRAPHY-2
    GK-GEOGRAPHY-3
    GK-GEOGRAPHY-4
    GK-HISTORY 1
    GK-SCIENCE-1
    GK SCIENCE 2

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