CBSE Questions for Class 8 General Knowledge Resources Of India And World Quiz 5 - MCQExams.com

Consider the following statements:
Statement I: Clay layers are poor aquifers. 
Statement II: The inter-particle space of clay minerals is the least.
  • Both the statements are individually true and statement II is the correct explanation of Statement I.
  • Both the statements are individually true but statement II is not the correct explanation of Statement I
  • Statement I is true but Statement II is false
  • Statement I is false but Statement II is true
The zonal soil type of peninsular India belongs to _______.
  • red soils
  • yellow soils
  • black soils
  • older alluvium
Match List I with List II and select the correct answer using the codes given below the lists.
List I
(Russian Region)		List II
(Industrial)
(A) Central Industrial(1) Agro based
(B) Grozny(2) Cotton textiles
(C) Volga(3) Machinery
(D) Urals(4) Metallurgy
  • $$A-2; B-4; C-1; D-3$$
  • $$A-1; B-3; C-2; D-4$$
  • $$A-2; B-3; C-1; D-4$$
  • $$A-2; B-1; C-4; D-3$$
The most suitable measure for soil conservation is _______.
  • afforestation
  • irrigation
  • crop rotation
  • contour farming
The shortest air route from Moscow to San Fransisco is _____.
  • over the North Pole
  • over the Atlantic Ocean
  • over the Pacific via Siberia
  • through the latitude which passes through them
Katanga province of Zaire is famous for _____.
  • copper
  • gold
  • diamond
  • coal
Which of the following is not famous for iron ore?
  • Kiruna and Gallivare
  • Bilbao
  • Mesabi range
  • Weipa
Which of the soils is the product of intense alkalisation and is characterised by the presence of sodium carbonate?
  • Solonetz
  • Solodic
  • Solonchak
  • Halomorphic
In which of the following types of agriculture is the farming of citrus fruit very important?
  • Market gardening
  • Mediterranean agriculture
  • Plantation agriculture
  • Co-operative farming
Which one of the following is known as the "Coffee port" of the world?
  • Sao Paulo
  • Santos
  • Rio De Janeiro
  • Buenos Aires
Which one of the following pairs is correctly matched ?
  • Latosols : Scrubs
  • Chernozem : Savannas
  • Sierozem : Selvas
  • Podsol : Conifers
The alluvial soils of the Gangetic valley are described as _______.
  • Intrazonal
  • Azonal
  • Zonal
  • None of these
Which one of the following have short life cycle and may form a fairly dense stand after rainfall ?
  • Perennials
  • Ephemerals
  • Succulants
  • Both 'a' and 'b'
Who amongst the following proposed the first scientific classification of soils in $$1886$$ and classified soils into 'normal' (upland), 'transitional' (meadow, calcareous, alkali) and 'abnormal' (organic, alluvial, aeolian). The normal class was further divided into $$7$$ 'zones' based upon climate and 'soil types' based upon soil colour?
  • VV Dokuchaev
  • GN Coffey
  • KD Glinka
  • CF Marbul
Black soil of steppe is black in colour due to _______.
  • humus
  • titaniferous minerals
  • iron and magnesium oxides
  • due to parent material
Laterite soils are formed due to ______.
  • removal of silicates, lime and organic matter
  • decayed organic matter
  • disintegration of volcanic matter
  • deposition of limestone
In which one of the following regions, water availability determines the tree growth and trees exhibit various adaptations to fire?
  • Tropical rain forest
  • Tropical savanna
  • Tropical desert
  • Taiga
Which of the following is an azonal soil ?
  • Sierozem
  • Podzol
  • Lithosol
  • Solonchak
Who amongst the following is considered as a pioneer in the study of soil genesis and soil classification?
  • GN Coffey
  • CF Marbut
  • KD Glinka
  • W Dokuchaev
The dominant Mediterranean scrub vegetation in Southern California is _______.
  • chaparral
  • muskeg
  • fynbos
  • campos
Who of the following translated Glinka's work into English, borrowed and modified the Russian pedologic views and finally prepared a comprehensive system of soil classification for the United States?
  • EW Hilgard
  • AN Strahler
  • GN Coffey
  • CF Marbut
The soil column, which represents the dynamic and distinctive layers of the soil, comprises which horizon/horizons?
  • A
  • B
  • A and B
  • A, B and C
The substance of the soil exists in _______.
  • solid state
  • soild and liquid states
  • soild, liquid and gaseous states
  • solid and gaseous states
Identify the correct statement.
  • Soil column comprises A, B and C - horizons
  • C-horizons lies below the level of root activity
  • The substance of the soil exists in solid and liquid states
  • Field capacity of a soil is also referred to as wilting point
What is described in terms of the shape, size and durability of peds?
  • Soil horizon
  • Soil texture
  • Soil consistency
  • Soil structure
Chestnut soil and Chernozems are the equivalent of _____ in the CSCS.
  • spodosols
  • alfisols
  • histosols
  • mollisols
The smallest distinctive division of the soil of a given area to which a unique single set of properties apply is called as ______.
  • fed
  • polypedon
  • soil profile
  • horizon
In wet regions, soil water often washes clay particles down through root channels and worm tunnels. The clay particles are then deposited in the subsoil. This process is called _______.
  • eluviation
  • cheluviation
  • lessivation
  • leaching
The capacity of a soil to hold water against the pull of gravity is called as ________.
  • storage capacity
  • wilting capacity
  • wilting point
  • hygroscopic capacity
Which one of the following statements is not correct ?
  • Application of lime makes the soil acidic.
  • High acidity in soil is typical of humid climate.
  • Increasing soil activity results in declining soil fertility.
  • Arid climate is characterized by alkaline soil.
The major amount of wheat, in Ukraine is produced in area of _____.
  • acidic soil
  • podzol soil
  • black earth (soil)
  • red  soils
As organic matter decomposes, it releases nutrients and organic acids. These acids known as _______ attack clays and rock, releasing iron and aluminium.
  • humification agents
  • chelating agents
  • leaching agents
  • reducers
Identify the wrong statement.
  • Terra Rossa is a soil typical of Mediterranean scrub biome
  • Science of soils is called Pedology
  • Stream is the most important agent of soil erosion
  • The term edaphic refers to soils
The CSCS, approved and adopted in 1960, is known as the _______ approximation.
  • fifth
  • sixth
  • seventh
  • accurate
'Frost Hollows' is/are related to _______.
  • form of precipitation
  • temperature inversion
  • a type of cloud
  • None of the above
In which one of the following soil forming processes organic acids of soluble chelates formed?
  • Leaching
  • Podzolisation
  • Laterisation
  • Salinisation
Consider the following statements:
1) Contour ploughing prevents soil erosion and the formation of gullies.
2) Gully erosion is the removal of top soil and creation of many steep-sided cuttings in hillside.
Which of the statements given above is/are correct?
  • Only 1
  • Only 2
  • Both 1 and 2
  • Neither 1 nor 2
In which of the following processes silica is removed rather than iron or aluminium, which accumulates at the surface?
  • Leaching
  • Podzolisation
  • Laterisation
  • Salinisation
Shallow ploughing only to the depth needed to ensure quick seed germination and leaving crop residues and ground litter to protect the soil is ______.
  • no-tillage farming
  • minimum tillage farming
  • contour cropping
  • gully reclamation
Terra Rossa typically develops in terrains composed of ______.
  • limestone
  • basalt
  • granite
  • red sandstone
The shortest route from Los Angeles to Moscow is over the _______.
  • Atlantic Ocean
  • Pacific Ocean
  • North Pole
  • South Pole
The only trans continental railway of South America, running through the Uspallata pass in Andes, runs between ______.
  • Buenos Aires to Valparaiso
  • Africa to Puerto Montt
  • Buenos Aires to Santiago
  • Rio-de Janeiro to Lima
The iron and steel industry is largely concentrated in the Kuzbass region because of the ______.
  • availability of iron-one
  • availability of coal
  • local market facilities
  • local supply of labour force
The American cotton textile industry moved from New England to the Southern States because ______.
  • the latter have a more humid climate
  • new England diversified its manufacturing industries
  • the population growth in the South provide a major market
  • the South offered lower cost of production
1) Biomes are distributional aspect of ecosystem.
2) There are four components of ecosystem that being abiotic, producers, consumers and decomposers.
3) Amount of living material present in biome is called standing crop.
Which of the above statements are correct ?
  • 1, 2 and 3
  • 1 and 2
  • 2 and 3
  • 1 and 3
The term Regur refers to ______.
  • deltaic alluvial soils
  • laterite soils
  • black cotton soils
  • red and yellow soils
Which one of the following terms refer to the particular assemblage of low growing leathery bushes and stunted trees that concentrate in the waterlogged soil bogs and lake filled depressions in the Northern Coniferous Forest Biome ?
  • Chaparral
  • Muskeg
  • Fynbos
  • Mull
The enormous volume of dust swept across the steppe lands of Asia and deposited in the North-Western part of China is known as _______.
  • reg
  • loess
  • terra rossa
  • kankar
_______ is a line joining all places with equal transport costs for moving either the raw materials or the products.
  • Isodopane
  • Isotim
  • Locational line
  • Transporation line
Which of the following is the chief characteristic of 'mixed farming'?
  • Cultivation of both cash crops and food crops
  • Cultivation of two or more crops in the same field
  • Rearing of animals and cultivation of crops together
  • None of the above
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