CBSE Questions for Class 8 General Knowledge General Physical Geography Quiz 5 - MCQExams.com

The Gulf stream is the warm ocean current. It is moving along the East of North America upto 40° N, where it meets with Labrador current, which is cold current. This meeting of warm and cold ocean current is helping for the ___________.
  • navigation of ship
  • fishing
  • both 'a and b
  • neither a nor b
Which of the following has the maximum percentage in sea water?
  • Magnesium chloride
  • Magnesium sulphate
  • Potassium sulphate
  • Sodium chloride
Which waterway separates India from Sri Lanka?
  • Eight Degree Channel
  • Palk Strait
  • Ten Degree Channel
  • Andaman Sea
Which of the following straits is not in Asia?
  • Malacca strait
  • Bass strait
  • Formosa strait
  • All of these
Which one of the following does the 'West Wind Drift' belong to?
  • Tidal occurrence
  • Wind system
  • Wave phenomenon
  • Ocean current
Arrange the rivers in ascending order based on their length.
Nile
Amazon
Huang Ho
Mississippi
  • 1, 2, 3, 4
  • 2, 3, 4, 1
  • 4, 3, 2, 1
  • 3, 4, 2, 1
The main area of production of icebergs is found in ________.
  • the West Coast of Greenland
  • the East Coast of Japan
  • the North Coast of Siberia
  • the West Coast of Africa
Which one of the following seas/gulfs are connected by the Suez Canal?
  • The Mediterranean Sea and the Red Sea
  • Gulf of Oman and the Red Sea
  • The Mediterranean Sea and the Gulf of Oman
  • Persian Gulf and the Arabian Sea
Which one of the following type of tides is observed at an interval of every 6 months?
  • Spring tides
  • Neap tides
  • Tropical tides
  • Equinoctial spring tides
The ocean relief is generally ____________.
  • more diverse than that of the continents
  • more uniform than that of the continents
  • showing minor variations only
  • not much of a significance
Which one of the following statements is not correct?
  • Gulf with narrow fronts and wider rears experience high tides
  • Tidal currents take place when a Gulf is connected with the open sea by a narrow channel
  • Tidal bore occurs when a tide enters the narrow and shallow estuary of a river
  • The tidal nature of the mouth of the river Hooghly is of crucial importance to Kolkata as portk
Consider the following statements:
Ocean currents are the slow surface movement of water in the same.
Ocean currents, assist in maintaining the Earth's heat balance.
Ocean currents are set in motion primarily by prevailing winds.
Ocean currents are affected by the configuration of the ocean.
Which of the statements given above are correct?
  • 1 and 2
  • 2, 3 and 4
  • 1,3 and 4
  • 1, 2, 3 and 4
Consider the given statements:
Coriolis effect is zero at the Equator.
Coriolis effect is more towards the Poles.
Coriolis effects are related to the decreasing rotational velocity with increasing latitudes.
4.  Coriolis effects are related to the increasing rotational velocity with increasing latitudes. 
Which of the statements given above are correct?
  • 1, 2 and 3
  • 1 and 3
  • 1, 2 and 4
  • 2 and 4
Which one among the following is not correct regarding Tsunami?
  • Tsunamis have a very long wavelength
  • Tsunamis have a slight swell of about twelve inches above the normal sea surface
  • Tsunamis grow in height when they reach shallower water
  • Tides also play an important role in the generation of Tsunamis
What are Rogue waves?
  • Waves that do not move horizontally but remain stationary
  • Wave of unusually large size for the prevailing wind condition
  • Waves produced due to the combination of low air pressure and onshore winds
  • Waves produced due to the combination of high air pressure and offshore winds
Which of the following statements are true?
The direction of Canary current is North to South. 
The direction of Benguela current is South to North.
The direction of North Atlantic drift is West to East.
The direction of Californian current is North to South.
Choose the right answer from the options given below.
  • 1 and 2
  • 1, 2 and 3
  • 2, 3 and 4
  • 1, 2, 3 and 4
Which of  the following is not a consequence of EI Nino? 
  • Drought in India
  • Heavy rainfall in Chile
  • Killing of large number of fishes across Peruvian coast
  • Floods in Australia
Which of the following theories of the origin of tides is not correctly matched?
  • Equilibrium Theory : Newton
  • Canal Theory : Airy
  • Stationary Wave Theory : William Whewell
  • Dynamic Theory : Laplace
If you travel along the Suez Canal from Port Said to Suez, you will come across several lakes. Which of the following lakes in not in this Canal? 
  • Great Bitter Lake
  • Little Bitter Lake
  • Lake Gatun
  • Lake Timsah
Which one of the following statements is not correct?
  • A coarser type of sandstone is known as grit.
  • Conglomerate are the best example of organically formed sedimentary rocks.
  • Gypsum or calcium sulphate is obtained from the evaporation of salt lake.
  • Mechanically formed sedimentary rocks have been formed from the accumulation of materials derived from other rocks which have been cemented together.
Sedimentary rocks are formed from sediment accumulated over long periods, usually under water. Choose correct statement(s) regarding it.
(1) Sedimentary rocks are classified under three main categories.
(2) Origin and composition form the basis of classification.
(3) It has the highest chance of retaining fossils.
Select the correct answer using the codes given below.
  • Only 1
  • 2 and 3
  • 1 and 3
  • All of these
Which one of the following pairs is correctly matched?
  • Geographical Feature: Abyssinian Plateau: Region: Arabia
  • Geographical Feature: Atlas Mountains; Region: North-Western Africa
  • Geographical Feature: Guiana Highlands; Region: South-Western Africa
  • Geographical Feature: Okavango Basin : Region: Patagonia
Quartzite is metamorphosed from _________.
  • limestone
  • obsidian
  • sandstone
  • shale
If a news is broadcast from London at 1:45 pm on Monday, at what time and on what day it will be heard at Dhaka ($${90}^{o}E$$)?
  • 7:45 pm on Monday
  • 7:45 am on Monday
  • 7:45 pm on Tuesday
  • 7:45 pm on Sunday
Consider the following statements about rocks.
(1) Shale becomes slate through metamorphosis.
(2) Shale is converted to slate when it is subjected to tremendous pressure and high temperature.
Which of the statements given above is/are correct?
  • Only 1
  • Only 2
  • Both 1 and 2
  • Neither 1 nor 2
Consider the following statements:
(1) Total land area of Earth is approximately 1475 lakh square kilometres.
(2) Ratio of land area to water area of Earth is approximately 1:4.
(3) Maximum percentage of Earth's water is in the Pacific Ocean.
Which of the statements given above is/are correct?
  • 1 and 3
  • 2 and 3
  • Only 1
  • Only 3
Water with more salinity freezes at __________.
  • higher temperature than normal water
  • lower temperature than normal water
  • same temperature as normal temperature
  • None of the above
Match the following.
List I
(Discontinuity)		List II
(Layers)
(A) Mohorovicic(1) Crust-upper mantle
(B) Gutenberg(2) Core-mantle
(C) Conrad(3) Upper crust and lower crust
(D) Repetti(4) Upper mantle and Lower mantle
  • A-1; B-2; C-3; C-4
  • A-3; B-4; C-2; C-1
  • A-4; B-2; C-1; C-3
  • A-3; B-2; C-1; C-4
Consider the following statements:
(1) Coal is a sedimentary rock.
(2) Basalt is an igneous rock.
Which of the statements given above is/are correct?
  • Only 1
  • Only 2
  • Both 1 and 2
  • Neither 1 nor 2
Continental crust is __________.
  • 3 to 10 km thick
  • thinnest at spreading ridges
  • granitic in composition
  • the source of Earth's magnetic field
According to the Geo-scientists, the shape of Earth is:
(1) round   (2) spherical
(3) close to that of a sphere
(4) an oblate ellipsoid
Select the correct answer using the codes given below.
  • 2, 3 and 4
  • 1, 2 and 3
  • 1 and 2
  • 3 and 4
Match the following.
List I
(Original)		List II
(Metamorphic Rock)
(A) Basalt(1) State
(B) Coal(2) Schist
(C) Limestone(3) Marble
(D) Shale(4) Diamond
  • A-1; B-2; C-3; D-4
  • A-4; B-3; C-2; D-1
  • A-2; B-4; C-3; D-1
  • A-3; B-4; C-2; D-1
Which of the following statements is/are correct?
(1) The Earth is nearest to the Sun at Perihelion, which generally occurs on January 3.
(2) The Earth is farthest away from the Sun at Perihelion, which generally occurs on July 4.
(3) The Earth is farthest away from the Sun at Aphelion, which generally occurs ion July 4.
(4) The Earth is nearest to the Sun at Aphelion, which generally occurs on January 3.
Select the correct answer using the code given below.
  • Only 1
  • 2 and 4
  • 1 and 3
  • 1 and 2
The Earth completes one rotation on its axis in ____________.
  • 22h 30 min
  • 23h 56 min 4.9 sec
  • 24h
  • 23h 10 min 2 sec
The Earth without rotational movement would result into ________.
(1) no Sun-rise and Sun-set
(2) no occurrence of day and night cycle
(3) only one reason
Select the correct answer using the codes given below.
  • Only 1
  • 1 and 2
  • 2 and 3
  • All of these
Which one of the following statements is true about Tropopause?
  • It is formed due to the meteoric dust particles.
  • It is about 5-10 km thick.
  • It is a zone mixing.
  • It's average height is about 8 km over equator.
Consider the following statements:
(1) Igneous rocks are rich in natural gas.
(2) Igneous rocks are rich in metallic minerals.
(3) Igneous rocks are not fossiferous.
(4) Igneous rocks consist of silicate minerals.
Which of the statements given above are correct?
  • 1, 2 and 3
  • 2, 3 and 4
  • 3 and 4
  • All of these
Match the following lists.
List I
(Discontinuity)		List II
(Characteristic)
(A) Welchert-Gutenberg(1) Lower crust and upper mantle
(B) Mohorovicic (moho)(2) Division of Sial and Sima with the crust
(C) Lehman discontinuity(3) Lower mantle and out core discontinuity
(D) Conrad discontinuity(4) Outer core and inner core discontinuity
(5) Upper mantle and lower mantle
  • A-3; B-1; C-4; D-2
  • A-1; B-2; C-3; D-4
  • A-2; B-1; C-4; D-3
  • A-2; B-4; C-1; D-3
Earth is made up of many concentric layers. Asthenosphere is one them.
Choose correct statement(s).
(1) It is believed to be in a plastic condition.
(2) It underlies mantle.
(3) It is sometime termed as soft zone mantle or low velocity zone.
Select the correct answer using the codes are given below.
  • Only 1
  • 2 and 3
  • 1 and 3
  • All of these
Atmospheric circulation in form of cells, consider the following
Formed due to disturbances in planetary pressure system
Vertical circulation cell
  • Only 1
  • Only 2
  • 1 and 2
  • None of these
Consider the following statements related to stratification of atmospheric layers:
(1) All storms and cloudiness are restricted to stratosphere.
(2) Cirrus clouds are formed on the top layers of troposphere.
(3) Stratosphere is also an 'isoclinal layer'.
Which of the statements given above are correct?
  • 1 and 2
  • 1 and 3
  • 2 and 3
  • 1, 2 and 3
Arctic airmass is a cold airmass. Consider the following statements and choose correct statement.
It originates over Greenland.
It is represented by symbol AA.
It is also found in some continental areas of Russia.
  • Only 1
  • 1 and 2
  • Only 3
  • None of these
Arctic air front is formed in Northern hemisphere of Earth. Choose the correct statement.
It is not very active front.
Formed at meeting point of Arctic airmass and polar airmass.
Its inactivity is due to the fact that temperature difference between Arctic airmass and Polar airmass is small.
  • 1 and 3
  • 2 and 3
  • 1 and 2
  • All of these
Stability of atmosphere decides if it is going to be a calm weather or not. Regarding instability, choose correct statement:
Environmental lapse rate is lower than saturated Adiabatic lapse rate.
Environmental lapse rate is more than saturated Adiabatic lapse rate.
Environmental lapse rate is larger than dry Adiabatic lapse rate.
  • 1 and 3
  • Only 1
  • 2 and 3
  • None of these
Arrange the following layers of atmosphere vertically from the surface of the Earth.
Mesosphere 
Troposphere 
Stratosphere 
Thermosphere.
  • 1, 2, 3, 4
  • 2, 1, 3, 4
  • 2, 3, 1, 4
  • 3, 4, 2, 1
Which one of the following is the correct order in which the gases from the atmosphere disappear as one moves away from the surface of the Earth?
  • Carbon dioxide-Oxygen-Nitrogen
  • Oxygen-Nitrogen-Carbon dioxide
  • Carbon dioxide-Nitrogen-Oxygen
  • Nitrogen-Oxygen-Carbon dioxide
Which one of the four regions above Earth has smallest height (km)?
  • Stratosphere
  • Mesosphere
  • Thermosphere
  • Troposphere
Troposphere is the hottest part of the atmosphere because _________.
  • it is closest to the Sun
  • heat is generated in it
  • it is heated by the Earth's surface
  • there are charged particles in it
Match the following.
List I
(Sphere of the Earth)		List II
(Main Constituent of the Sphere)
(A) Lithosphere(1) Living objects
(B) Hydropshere(2) Mixture of gases
(C) Atmosphere(3) Water
(D) Biosphere(4) Soil
  • A-1; B-2; C-3; D-4
  • A-4; B-2; C-3; D-1
  • A-1; B-3; C-2; D-4
  • A-4; B-3; C-2; D-1
Which of the following is considered as the main reason for the Earth's Magnetism?
  • Volcanic activity in the mantle
  • Electric currents in the liquid outer core
  • Interaction of Sun's electro magnetic radiation with the Earth's atmosphere
  • Presence of magnetic elements in the Earth's interior
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