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Q.1
Which of the following river crosses Tropic of Capricorn twice?
Vaal River
Limpopo River
Niger River
Zambezi River
Q.2
Which if the following river crosses the Equator twice.
Congo
Amazon
Niger
Nile
Q.3
Which river crosses the Equator twice?
Amazon
Congo
Nile
Orinoco
Q.4
Coral reefs are formed by ________
Volcanic rocks
Marine sediments
Chlorine material precipitated from sea water
Tiny colonial marine animals which construct limestone skeleton material
Q.5
Which of the following separates Asia and North America?
Bass Strait
Dover Strait
Bering Strait
Cook Strait
Q.6
Niagara Falls are in ________
Australia
U.K.
South Africa
U.S.A.
Q.7
Which is the largest reservoir of sweet water?
Underground Water
Pond
Lakes
Glacier
Q.8
The stagnated water in the surface of lake is known as
Epilimnion
Metalmnion
Thermocline
Hypolimnion
Q.9
Which of the following city is located on the banks of river Potomac?
Berlin
Madrid
Islamabad
Washington D.C.
Q.10
Which is the smallest among the following water bodies?
Arctic Sea
Hudson Bay
Japan Sea
Okhotsk Sea
Q.11
Which of the following is the largest river in the world?
Nile
Congo
Ganges
Amazon
Q.12
The Caspian Sea, the largest inland sea or lake in the world, is located ________
Wholly in the Continent of Europe
Wholly in the Continent of Asia
Partly in Europe and partly in Asia
Partly in Africa and partly in Asia
Q.13
Which one of the following conditions are not favourable for the growth of coral reefs ?
Sediment free water
Fresh water
Moderate saline water
Disturbed water and currents
Q.14
Which among these Islands has coral reef?
Aleutian
Hawaiian
Andaman and Nicobar
Falklands Island
Q.15
Which river has the largest drainage basin?
Nile
Mississippi
Congo
Amazon
Q.16
The longest river of Europe is
Rhine
Rhone
Danube
Volga
Q.17
The ideal conditions for coral growth are:
I. water temperature around 20°C
II. tropical waters (between 30°N and 30°S)
III. highly saline water
IV. adequate oxygen
I, II and IV
I, III and IV
I, II and III
II, III and IV
Q.18
Which of the following current is responsible for rise in temperature in westen Europe?
Labrador Current
Gulf stream
Canary Current
North Eqatorial
Q.19
What is the correct decreasing order of the share of different salts in sea water?
Sodium chloride, magnesium chloride, magnesium sulphate, potassium sulphate
Sodium chloride, magnesium chloride, potassium sulphate, magnesium sulphate
Sodium chloride, magnesium sulphate, potassium sulphate, magnesium chloride
Sodium chloride, magnesium chloride, potassium sulphate, magnesium sulphate
Q.20
Which one of the following European countries borders Atlantic Ocean?
Portugal
Austria
Finland
Romania
Q.21
The Lena river passes through which country?
China
USA
Russia
Brazil
Q.22
The ocean surface currents follow clockwise circulatory paths in the northern parts of the Pacific and Atlantic oceans due to the ________
Convergence and divergence movements
Coriolis force
Density differences in seawater
Impact of prevailing winds
Q.23
Why are the ports of Baltic sea opened for trade in winter?
It is tropical belt
North Atlantic warm currents flow in this region
Local factors keep it warm
Western disturbances increase the temperature
Q.24
The reason behind broadening the river valley is
Corrosion
Soil Erosion
Attrition
Hydraulic Action
Q.25
The greatest known ocean depth (which lies in the Pacific Ocean) is ________
8,890 m
9,653 m
10,589 m
11,021 m
Q.26
Fishing grounds are concentrated in the high latitudes. The reasons are:
1. great length of indented coastline
2. extensive continental shelves
3. water temperatures lower than 20°C
4. sparse population
1, 2 and 3
2, 3 and 4
1 and 2
2 and 4
Q.27
Which one of the following factors is responsible for the change in the regular direction of the ocean currents in the Indian Ocean?
Indian Ocean is 'half an ocean'
Indian Ocean has Monsoon drift
Indian Ocean is a land-locked ocean
Indian Ocean has greater variation in salinity
Q.28
Imaginary lines connecting places in oceans having equal salinity are called
Isotherms
Isobars
Isohalines
Isohyets
Q.29
Which one among the following best explains the reason for the eastern and western boundaries of the Pacific Ocean experiencing frequent earthquake?
There are deep ocean trenches along these margins
High mountain stretch along the continental margins adjacent to this ocean
The currents of the vast Pacific Ocean continue to dash against the continental margins
These margins coincide with the plate margins
Q.30
The oceanic current named as 'Kuroshio - Kurile and Alaskan' are located in
North Atlantic Ocean
South Atlantic Ocean
North Pacific Ocean
North Indian Ocean
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