Description : The stagnant water at the bottom of a lake is called – (1) Epilimnion (2) Mesolimnion (3) Metalimnion (4) Hypolimnion
Last Answer : (4) Hypolimnion Explanation: The top band of a lake is called the epilimnion; while the middle band is called the thermocline and holds water whose temperature varies with depth. The bottom band is called the hypolimnion and holds cool, stagnant water which is all the same temperature.
Description : The rapidly growing mass of phytoplankton covering the surface water of a lake or pond is known as : (1) Eutrophication (2) Water bloom (3) Water pollution (4) Water hyacinth
Last Answer : Eutrophication
Description : Which type of lake is formed by volcanic activities ? (1) Lagoon (2) Fresh water lake (3) Cladera lake (4) Karst lake
Last Answer : Cladera lake
Description : Which type of lake is formed by volcanic activities ? (1) Caldera lake (2) Karst lake (3) Lagoon (4) Fresh water lake
Last Answer : Caldera lake
Description : Lake formed in a cut off river, meander is called: (1) Playa Lake (2) Meteoric Lake (3) Ox-Bow Lake (4) Crater Lake
Last Answer : Ox-Bow Lake
Description : Atoll is a kind of (1) sand-dune (2) lake (3) sandbar (4) inland sea
Last Answer : inland sea
Description : Which of the following is a typical feature of river erosion in youthful stage ? (1) Ox-bow lake (2) Gorge (3) Valley in valley (4) Cut-bank
Last Answer : Gorge
Description : The temperature of water at the bottom of a large waterfall is higher than that of the water at the top. because (1) the falling water absorbs heat from the Sun. (2) the water at the bottom has greater ... of the falling water is converted into heat. (4) rocks on the bed of the river give out heat.
Last Answer : the kinetic energy of the falling water is converted into heat.
Description : The well through which water comes out through hydraulic pressure is called (1) Ordinary well (2) Tube well (3) Deep tube well (4) Artesian well
Last Answer : Artesian well
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 : 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 : A semi enclosed coastal body of water which has a free connection with the open sea is called (1) Estuary (2) Fjord (3) Cove (4) Ria coast
Last Answer : Estuary
Description : The rhythmic rise and fall of ocean water twice in a day is called (1) Tide (2) Ocean current (3) Wave (4) Water cycle
Last Answer : Tide
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 : The narrow stretch of water connecting two Seas is called (1) Bay (2) Peninsula (3) Isthamus (4) Strait
Last Answer : Strait
Description : The fur of the animals living in colder regions (1) protects them from water (2) traps the air and keeps them warm (3) protects them from enemies (4) makes them appear beautiful
Last Answer : traps the air and keeps them warm
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 : Which of the following exhibits unidirectional flow in an ecosystem ? (1) Light (2) Energy (3) Water (4) Biomass
Last Answer : Energy
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 : Which one of the following is an abiotic and renewable resource? (1) iron ore (2) livestock (3) water (4) forests
Last Answer : water
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 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 : Capillary water
Description : The largest reservoir of fresh water is : (1) Glaciers (2) Ground Water (3) Ponds (4) Lakes
Last Answer : Glaciers
Description : How much of world’s surface is covered by water? (1) 55% (2) 70% (3) 80% (4) 25%
Last Answer : 70%
Description : Best way to conserve our water resources : (1) Rain water harvesting (2) Sustainable water utilization (3) Encouragement of natural regeneration of vegetation (4) All of the options mentioned here.
Last Answer : All of the options mentioned here
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 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 : Two seas or water-bodies connected by a narrow stretch of water is known as a (1) Bay (2) Strait (3) Peninsula (4) Isthmus
Description : A place where there is constant intermingling of salt water and fresh water is ____ (1) Estuary (2) Delta (3) Gulf (4) Bay
Description : A special type of well in which water rises automatically under the pressure of a column of water to the ground surface through a hole is known as (1) Artisian well (2) Spring (3) Hot spring (4) Geyser
Last Answer : Artisian well
Description : Which of the following is FALSE with respect to rain water harvesting ? (1) It is a device of water conservation. (2) It helps raising water table. (3) It helps meet rising water demand. (4) It increases run-off losses.
Last Answer : It increases run-off losses.
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 : Smog is a combination of (1) air and water vapour (2) water and smoke (3) fire and water (4) smoke and fog
Last Answer : smoke and fog
Description : Frontal Rain is caused by (1) Convection current (2) Winds from sea (3) Cyclonic activity (4) Condensation of water evaporated from mountains
Last Answer : Cyclonic activity
Description : Which of the following asborbs part of the insolation and preserves earth’s radiated heat? (1) Oxygen (2) Nitrogen (3) Water vapour (4) Carbon-di-oxide
Last Answer : Water vapour
Description : Recharging of water table depends on (1) amount of rainfall (2) relief of the area (3) vegetation of the area (4) amount of percolation
Last Answer : relief of the area
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 : Hydraulic Action is a type of erosion caused by (1) Running water (2) Wind (3) Glacier (4) None of these
Last Answer : Running water
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 : 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 : The main source of usable water on the Earth is (1) Oceans (2) Rivers (3) Underground water (4) Precipitation
Last Answer : Underground water
Description : In an iceberg floating in the sea, out of 10 parts of its mass, how much will remain above the surface of the water? (1) 1 part (2) 2 parts (3) 4 parts (4) 6 parts
Last Answer : 1 part
Description : A geyser is a spring which (1) throws water continuously (2) throws water intermittently (3) throws water and steam at regular intervals (4) throws only steam
Last Answer : throws water and steam at regular intervals
Description : On which of the following planets water cycle is available ? (1) Jupiter (2) Earth (3) Mars (4) Venus
Last Answer : Jupiter
Description : Maps on large scale, representing both natural and man-made features are called (1) Wall maps (2) Topographic maps (3) Thematic maps (4) Atlas maps
Last Answer : Topographic maps
Description : Imaginary lines joining places with same temperature are called (1) Isobars (2) Isohyets (3) Isohalines (4) Isotherms
Last Answer : Isotherms
Description : The art and science of map making is called (1) Remote Sensing (2) Cartography (3) Photogrammetry (4) Mapping
Last Answer : Cartography
Description : Instrument used for measuring area on maps is called (1) Planimeter (2) Eidograph (3) Pantograph (4) Opisometer
Last Answer : Planimeter