Description : The main source of usable water on the Earth is – (1) Oceans (2) Rivers (3) Underground water (4) Precipitation
Last Answer : (3) Underground water Explanation: Even though most of the Earth's surface is water, only 1% of it is fresh usable water. Ninety-seven percent of the Earth's water is saltwater, which contains too many ... cent of water, followed by Freshwater Lakes: 0.009 per cent; and rivers: 0.0001 per cent.
Description : The main source of water is : a. Surface water b. Precipitation ( Rain) c. Ground water; d. Oceans.
Last Answer : b. Precipitation ( Rain)
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 : 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 : The coastal part of water bodies of the oceans which is structurally part of the mainland of the continents is called (1) isthumus (2) oceanic ridge (3) continental shelf (4) continental slope
Last Answer : continental shelf
Description : The coastal part of water bodies of the oceans which is structurally part of the mainland of the continents is called the (1) Isthmus (2) Oceanic ridge (3) Continental shelf (4) Continental slope
Last Answer : Continental shelf
Description : What is meant by Isthmus? (1) Mouth of a river where it joins the sea (2) Narrow strip of water dividing two land masses (3) Narrow strip of land dividing two oceans (4) Narrow strip of land connecting two large areas of land
Last Answer : Narrow strip of land dividing two oceans
Description : Which one of the following is the correct sequence of ecosystem in the order of decreasing productivity? (1) Oceans, mangroves, lakes, grassland (2) Mangroves, oceans, grassland, lakes (3) Oceans, lakes, grassland, mangroves (4) Mangroves, grasslands, lakes, oceans
Last Answer : Mangroves, grasslands, lakes, oceans
Description : Which of the following oceans has the shape of the English alphabet S ? (1) Arctic Ocean (2) Indian Ocean (3) Atlantic Ocean (4) Pacific Ocean
Last Answer : Atlantic Ocean
Description : There is a need to keep larger area under forests for : (1) absorption of carbon dioxide (2) protecting wildlife (3) raising precipitation (4) geological balance
Last Answer : absorption of carbon dioxide
Description : Precipitation in the form of a mixture of rain and snow is called (1) Drizzle (2) Hail (3) Sleet (4) Snow
Last Answer : Sleet
Description : Which one of the following is not the result of underground water action? (1) Stalactites (2) Stalagmites (3) Sinkholes (4) Fiords
Last Answer : Fiords
Description : One of the following is not the result of underground water action (1) Stalactites (2) Stalagmites (3) Sink holes (4) Fiords
Description : The term territorial water means (1) The water found within the country in form of rivers and lakes (2) The water secured from other countries (3) The water which is supplied to other countries (4) Water of the sea located close to the coast of a country
Last Answer : Water of the sea located close to the coast of a country
Description : The term “Doab” means (1) a land between two mountains (2) a land between two lakes (3) a land between two rivers (4) a land between two seas
Last Answer : a land between two rivers
Description : Meanders are the features formed by (1) glaciers (2) rivers (3) winds (4) ocean waters
Last Answer : rivers
Description : Which one of the following rivers crosses the tropic of capricorn twice ? (1) Vaal (2) Limpopo (3) Nizer (4) Zambezi
Last Answer : Limpopo
Description : Which of the following rivers lies in a rift valley? (1) Luni (2) Chambal (3) Sone (4) Tapti
Last Answer : Tapti
Description : The word ‘dendritic’ is associated with— (1) wind (2) waves (3) rivers (4) glaciers
Description : Which one of the following rivers forms an estuary ? (1) Ganga (2) Tapti (3) Godavari (4) Mahanadi
Description : Do Earth's oceans gain or lose water considering evaporation and precipitation together and how much is the difference?
Last Answer : On average, if the climate remains stable the two processes balance out. During periods of cold, water gets locked up in the ice caps and the level of the ocean drops.
Description : Consider the following statements: 1. Over the oceans there is more evaporation than precipitation. 2. On land it is more precipitation than evapo-transpiration. Which of these statements are correct? (a) Both 1 & 2 (b) Neither 1 nor 2 (c) 1 only (d) 2 only
Last Answer : (a) Both 1 & 2
Description : Pick up the correct statement from the following: (A) The precipitation during its travel in atmosphere dissolves certain gases (B) Rain water which percolates through the ground, is free from ... water may dissolve minerals and salts present in the earth's layers (D) All the above
Last Answer : (D) All the above
Description : Source of energy in ecosystem is (1) Sun (2) Green plants (3) Sugar produced in photosynthesis (4) ATP
Last Answer : Sun
Description : Which one is not a non-conventional energy source? (1) Nuclear energy (2) Solar Energy (3) Wind energy (4) Tidal power
Last Answer : Nuclear energy
Description : The ‘graded profile’ of a river course is a (1) smooth curve from source to mouth. (2) smooth curve in the upper course. (3) smooth curve in the middle course. (4) smooth curve in the lower course.
Last Answer : smooth curve from source to mouth.
Description : Pick up the correct statement from the following: (A) Rivers, lakes, oceans and springs get water from the rains (B) Rain water is obtained by evaporation from rivers, lakes and oceans (C) Water remains in atmosphere as vapours (D) All the above
Last Answer : Answer: Option D
Description : A stretch of sea water, partly or fully separated by a narrow strip from the main sea is called (1) Bay (2) Isthmus (3) Lagoon (4) Strait
Last Answer : Lagoon
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 : 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 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 : Uneven distribution of insolation on the earth is mainly due to the (1) spherical shape of the earth (2) distribution of land and water (3) direction of the winds (4) presence of pressure belts
Last Answer : spherical shape of the earth
Description : On which of the following planets water cycle is available ? (1) Jupiter (2) Earth (3) Mars (4) Venus
Last Answer : Jupiter
Description : Do you prefer rivers, lakes or oceans?
Last Answer : Depends on my mood, but all three top the list from time to time.
Description : What is the imaginary line that divides rivers flowing into the Atlantic or pacific oceans?
Last Answer : Need answer
Description : What is composed of lakes rivers and oceans.?
Last Answer : hydrosphere
Description : P-waves is a term associated with-----? A. Earthquakes (Answer) B. Oceans C. Wind D. Rivers
Last Answer : A. Earthquakes (Answer)
Description : Which of the following is not a practical method of low level radioactive waste disposal? (A) Dilution with inert material (B) Discharging to atmosphere through tall stacks after dilution (C) Disposing off in rivers & oceans (D) Filling in steel crates and shooting it off out of earth's gravity
Last Answer : (D) Filling in steel crates and shooting it off out of earth's gravity
Description : Give two reasons why precipitation is called primary source of water on earth. -SST 10th
Last Answer : Precipitation causes rains. The rainwater flow into rivers that are one of the primary sources of water. Rainwater made available by precipitation seeps into ground creating groundwater reserves.
Description : The main cause of global climatic change is (1) increase in the content of carbon dioxide in the atmosphere (2) emissions of industrial gases (3) adding of dust (4) changes in plant cover
Last Answer : increase in the content of carbon dioxide in the atmosphere
Description : The main cause of Tsunami is : (1) Volcanoes (2) Cyclones (3) Earthquake on sea floor (4) Moon’s attraction
Last Answer : Earthquake on sea floor
Description : The main cause of recurring flood is (1) Soil erosion (2) Deforestation (3) Silting of river beds (4) All of the above
Last Answer : All of the above
Description : Dumping of solid waste in lowlying areas earth cover is called as : (1) Sanitary landfilling (2) Open dumping (3) Composting (4) Incineration
Last Answer : Sanitary landfilling
Description : The largest ecosystem of the Earth is (1) Biome (2)Hydrosphere (3) Lithosphere (4)Biosphere
Last Answer : Biome
Description : The food chain refers to the transfer of energy from : (1) the interior of the earth to the surface (2) lower to higher latitudes (3) one organism to another (4) organisms of the land to those of the sea by means of river
Last Answer : one organism to another
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 : The deepest surface depression on the earth is (1) Kurile Trench (2) Mariana Trench (3) Tonga-Kermadec Trench (4) Bentley Subglacial
Last Answer : Mariana Trench
Description : The amount of insolation received at a place on the surface of the earth depends upon: (1) its climate (2) the longitude of the place (3) its latitude (4) the altitude of the place
Last Answer : its latitude