Description : Mountain soil contains a lot of— (1) humus (2) clay (3) coase material (4) iron and aluminium salt
Last Answer : (1) humus Explanation: The distribution of mountain soils is subject mainly to a vertical (elevation) zonation; the soils change with ascent into the mountains depending on changes in climatic conditions. ... content and is thus, very fertile. It is found in Himalayan regions and north-east India.
Description : Alluvial soils are rich soil for crop cultivation but are poor in (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material
Last Answer : nitrogen and humus
Description : The organic matter present in soil is known collectively as (1) Hydrocarbons (2)Podsols (3) Humus (4)Colloids
Last Answer : Humus
Description : Humus is a type of (1) fossil seen on the rocks (2) decaying organic matters in soil (3) fertilizers applied in soil (4) special growth found in plants
Last Answer : decaying organic matters in soil
Description : Alluvial soils are usually (i) Rich in nitrogen (ii) Poor in humus (iii) Highly fertile (iv) Easy to plough (1) (i), (ii) and (iv) (2) (ii), (iii) and (iv) (3) (i), (iii) and (iv) (4) (i), (ii) and (iii)
Last Answer : (i), (ii) and (iii)
Description : Deep black soil is productive due to high proportion of (a) sand and zinc (b) gravel and calcium (c) clay and humus (d) silt and earthworm.
Last Answer : (c) clay and humus
Description : High quality crop soil requires humus as a major component. Which of the following best describes the composition of humus w) fine sand particles x) decaying organic matter y) mineral like clay matter z) chemical fertilizers
Last Answer : ANSWER: X -- DECAYING ORGANIC MATTER
Description : Which of the following types of soil is best suited for cotton cultivation ? (1) Black (2) Red (3) Laterite (4) Mountain
Last Answer : Black
Description : The soil conservation method in which mountain slope is cut into step is (1) Contour ploughing (2) Cover planting (3) Strip cropping (4) Terracing
Last Answer : Terracing
Description : The fire clay contains pure (A) Lime (B) Oxide of iron (C) Hydrated aluminium silicate (D) Magnesium
Last Answer : Answer: Option C
Description : Match the following : A. Chernozems 1. Rich in calcium carbonate B. Black soil 2. Contains aluminium compound C. Laterite 3. Richest soils in the world D. Terra Rosa 4. Formed in limestone E. Alluvial soil 5. It is a mixture of clay, sand and ... 1 2 3 4 5 (b) 3 1 2 4 5 (c) 4 5 3 1 2 (d) 3 4 5 2 1
Last Answer : Ans: (b)
Last Answer : : Humus is more in the upper part of the soil.
Description : Which one of the following is the indirect use of forests ? (1) Medicinal plants (2) Checking soil erosion (3) Building material (4) Grazing
Last Answer : Checking soil erosion
Description : Rubber plantations are found in (1) Temperate forests (2) Mountain regions (3) Polar regions (4) Equatorial regions
Last Answer : Equatorial regions
Description : Which is the most stable ecosystem ? (1) Desert (2) Ocean (3) Mountain (4) Forest
Last Answer : Ocean
Description : In which region is Terrace farming done? (1) Dry regions (2) Slope of hills (3) Mountain tops (4) Rooftops
Last Answer : Slope of hills
Description : The mountain formed on the earth crust due to tension is called (1) Young folded mountain (2) Old folded mountain (3) Laccolith mountain (4) Block mountain
Last Answer : Block mountain
Description : The Himalayan mountain range is an example of (1) Volcanic mountain (2) Residual mountain (3) Block mountain (4) Fold mountain
Last Answer : Fold mountain
Description : The highest mountain peak of the Himalayas is situated in— (1) India (2) Tibet (3) Nepal (4) China
Last Answer : Nepal
Description : Mushroom Rocks are the typical land forms seen in (1) River Valleys (2) Mountain tops (3) Coastal areas (4) Deserts
Last Answer : Deserts
Description : Alluvial soils are rich soil for crop cultivation but are poor in– (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material
Last Answer : (2) nitrogen and humus Explanation: Alluvial soils are fertile soils composed of sediments deposited by rivers and the waves. However, they are usually deficient in nitrogen and ... With suitable irrigation, fertilizers and proper agricultural practices, alluvial soils are generally very fertile.
Description : Sea water is saltier than rain water because (1) rivers wash away salts from earth and pour them into the sea (2) sea beds have salt producing mines (3) sea animals are salt producing (4) the air around the sea is saltish
Last Answer : rivers wash away salts from earth and pour them into the sea
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
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
Description : Which layer of the earth’s atmosphere contains the ozone layer ? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere
Last Answer : Stratosphere
Description : Airmass near to the earth’s surface is warmer because it (1) radiates heat (2) contains dust particles (3) is warmed by terrestrial radiation (4) is far from the sun
Last Answer : is warmed by terrestrial radiation
Description : What biome contains the most humus?
Last Answer : Need answer
Description : Which one of the following is an abiotic and renewable resource? (1) iron ore (2) livestock (3) water (4) forests
Last Answer : water
Description : Which of the following minerals are required for smelting iron ore? (1) Limestone and gypsum (2) Manganese and limestone (3) Limestone and coal (4) Gypsum and coal
Last Answer : Manganese and limestone
Description : Biosphere refers to (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms
Last Answer : the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms
Description : Which of the following is a Biological method of soil conservations ? (1) Contour farming (2) Contour terracing (3) Gully control (4) Basin listing
Last Answer : Contour farming
Description : Name the condition which influences the development of plants into distinctive forms. (1) Climatic conditions (2) Soil conditions (3) Environmental conditions (4) Social conditions
Last Answer : Climatic conditions
Description : The word Biosphere refers to : (1) Zone of soil, water and air around earth capable of supporting the flora and fauna. (2) Part of earth surface which can support the flora (3) Parts of air around earth a where life can exist (4) Zone of water on earth which can support life.
Last Answer : Zone of soil, water and air around earth capable of supporting the flora and fauna.
Description : A natural region has the similarity of (1) climate and natural vegetation (2) climate and occupation (3) soil and drainage (4) economic base and reces
Last Answer : climate and natural vegetation
Description : The distribution of characteristic vegetation of a region is determined mainly by (1) soil, water and temperature (2) water, greenhouse effect and altitude (3) wind, water and latitude (4) sunlight, water and wind
Last Answer : soil, water and temperature
Description : The sphere of living matter together with water, air and soil on the surface of the earth is known as (1) Lithosphere (2) Biosphere (3) Hydrosphere (4) Atmosphere
Last Answer : Biosphere
Description : Salination of soil is caused by (1) pesticides (2) soil erosion (3) excess irrigation (4) crop rotation
Last Answer : excess irrigation
Description : Black soil is also known by which of the following name ? (1) Khadar Soil (2) Bangar Soil (3) Alluivial Soil (4) Regur soil
Last Answer : Regur soil
Description : The transfer of minerals from top soil to subsoil through soil-water is called? (1) Percolation (2) Conduction (3) Leaching (4) Transpiration
Last Answer : Leaching
Description : The remedies to soil erosion are : I. Contour bunding II. Regulation of land use III. Cutting of trees IV. Allowing grazing of animals (1) I, III (2) I, II (3) III, IV (4) II, III
Last Answer : I, II
Description : Soil erosion can be prevented by (1) Increasing bird population (2) Afforestation (3) Removal of vegetation (4) Overgrazing
Last Answer : Afforestation
Description : In a desert region, soil erosion can be checked by (1) Contour ploughing (2) Using farm manure (3) Tree plantation/Afforestaion (4) Crop rotation
Last Answer : Tree plantation/Afforestaion
Description : Which one of the following pairs is not correctly matched ? (1) Khadar – Zonal soil (2) Podzol – Zonal soil (3) Chestnut – Zonal soil (4) Bhangar – Azonal soil
Last Answer : Khadar – Zonal soil
Description : Identify the most infertile amongst the following soils. (1) Black cotton soil (2) Alluvial soil (3) Laterite soil (4) Peaty soil
Last Answer : Laterite soil
Description : Soil factors are otherwise known as : (1) Edaphic factors (2) Biotic factors (3) Physiographic factors (4) Climatic factors
Last Answer : Edaphic factors
Description : Soil which is prone to intensive leaching due to rain is called (1) Laterite (2) Black (3) Alluvial (4) Red
Last Answer : Laterite
Description : Soil formed by leaching and oxidation is (1) Black soil (2) Laterite soil (3) Red soil (4) Montane soil
Description : Plantation of trees on a large scale to check soil erosion are called: (1) Shelter belts (2) Contour ploughing (3) Strip cropping (4) Afforestation
Description : In a desert region, soil erosion can be checked by (1) Tree plantation/afforestation (2) Crop rotation (3) Contour ploughing (4) Using farm manure
Last Answer : Tree plantation/afforestation
Description : The significant quantity of upper soil is formed by (1) Igneous rock (2) Sedimentary rock (3) Metamorphic rock (4) Biological degradation
Last Answer : Sedimentary rock