Description : The soil water which is of the greatest importance to the plant life is– (1) Gravitational water (2) Capillary water (3) Hygroscopic water (4) Combined water
Last Answer : (2) Capillary water Explanation: Capillarity is the primary force that enables the soil to retain water, as well as to regulate its movement. The phenomenon of capillarity also occurs in the soil. In ... is of no use to plants because it occupies the larger pores. It reduces aeration in the soil.
Description : In soil, the water available for root absorption is (a) gravitational water (b) capillary water (c) hygroscopic water (d) combined water
Last Answer : (b) capillary water
Description : In soil, water available for plants is (a) gravitational water (b) chemically bound water (c) capillary water (d) hygroscopic water.
Last Answer : (c) capillary water
Description : Soil water which moves mostly in Vapour form is — a. Field capacity water b. Capillary water c. Gravitational water d. Hygroscopic water
Last Answer : d. Hygroscopic water
Description : Which water is available to plant ? a. Gravitational b. Capillary c. Hygroscopic d. None of these
Last Answer : b. Capillary
Description : Find the odd option out a. Hygroscopic water b. Capillary water c. Gravitational water d. Lake water
Last Answer : d. Lake water
Description : Contour ploughing helps in (1) stopping floods (2) growing crops (3) soil conservation (4) checking landslides (SSC Combined Matric Level (PRE)
Last Answer : soil conservation
Description : The tides in the sea are primarily due to (1) the atmospheric effect of the Earth (2) the gravitational effect of Venus on the Earth (3) the gravitational effect of the Sun on the Earth (4) the gravitational effect of the Moon on the Earth
Last Answer : the gravitational effect of the Moon on the Earth
Description : Tides in the sea are caused by (1) effect of Sun (2) effect of Moon (3) eombined effect of Moon and Sun (4) gravitational force of Earth and Sun
Last Answer : eombined effect of Moon and Sun
Description : Tides are caused by the gravitational pull of the (1) Earth on the Moon (2) Earth on the Sun (3) Sun and Moon on the Earth (4) Moon on the Earth
Last Answer : Sun and Moon on the Earth
Description : Tides in the sea have stored in them : (1) Hydraulic energy (2) Kinetic energy (3) Gravitational potential energy (4) A combination of all the above three forms of energy
Last Answer : Gravitational potential energy
Description : Atmospheric pressure exerted on earth is due to : (1) rotation of earth (2) revolution of earth (3) gravitational pull (4) uneven heating of earth
Last Answer : gravitational pull
Description : What is the position of the Earth when it is at the greatest distance from the sun ? (1) Aphelion (2) Antipode (3) Perihelion (4) Aldiate
Last Answer : Aphelion
Description : The greatest erosive power of a river is associated with (1) gorges (2) meanders (3) inter-locking spurs (4) V-shaped valley
Last Answer : meanders
Description : Which one of the following is the greatest circle ? (1) Arctic Circle (2) Equator (3) Tropic of Cancer (4) Tropic of Capricorn
Last Answer : Equator
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 : The oil in the wick of an oil lamp rises up due to (a) Pressure difference (b) Capillary action (c) Low viscosity of oil (d) Gravitational force
Last Answer : Ans:(b)
Description : The oil in the wick of an oil lamp rises up due to: (1) capillary action (2) low viscosity of oil (3) gravitational force (4) pressure difference
Last Answer : (1) capillary action Explanation: The oil in the wick of an oil lamp rises up due to capillary action.
Description : Which of the following is a result of Surface tension? (1) Gravitational pull (2) Viscosity (3) Capillary action (4) Radiation
Last Answer : (3) Capillary action Explanation: Capillary action is the result of adhesion and surface tension. Adhesion of water to the walls of a vessel will cause an upward force on the liquid at the edges ... intact, so instead of just the edges moving upward, the whole liquid surface is dragged upward.
Last Answer : capillary action
Description : Which of the following is a result of Surface tension ? (1) Gravitational pull (2) Viscosity (3) Capillary action (4) Radiation
Last Answer : Capillary action
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 : 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 main advantage of Rain? Water Harvesting (RWH) is (1) Recharge ground water (2) Avoid floods (3) Reduce the loss of water (4) Avoid soil erosion
Last Answer : Recharge ground water
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 : 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 : 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 : 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 : 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 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 : The organic matter present in soil is known collectively as (1) Hydrocarbons (2)Podsols (3) Humus (4)Colloids
Last Answer : Humus
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
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 : Black soil is mainly related with the crop of (1) cotton (2) sugarcane (3) tea (4) coffee
Last Answer : cotton
Description : Which one of the following practices is adopted for restoring the fertility of soil ? (1) Weeding (2) Levelling (3) Fallowing (4) Harrowing
Last Answer : Fallowing
Description : Soil erosion on hill slopes can be checked by (1) Afforestation (2) Terrace cultivation (3) Strip cropping (4) Contour ploughing
Last Answer : Terrace cultivation
Description : Which one of the following does not cause soil erosion ? (1) Deflation (2) Deforestation (3) Weathering (4) Overcropping
Last Answer : Deflation