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 : (1) Recharge ground water Explanation: Rainwater harvesting is the simple collection or storing of water through scientific techniques from the areas where the rain falls. It is a technique ... and storing rainwater by constructing structures such as dug wells, percolating pit, check dams.
Description : Which of the following is not an objective of rain water harvesting? a. Avoid flooding roads b. Polluting water. c. Reducing soil erosion. d. Reducing run off which chokes drains.
Last Answer : b. Polluting water.
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 : 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 : 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 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 : The picture shown here is a check dam. Which of the following benefit it does not provide. A. Increasing ground water level. B. Controlling the floods. C. Reducing soil erosion. D. Fishing activity.
Last Answer : D. Fishing activity.
Description : The rain water harvesting shown here is A. Recharge Pit. B. Recharge Trench. C. Roof top rain water harvesting. D. Bunds of slopes.
Last Answer : B. Recharge Trench.
Description : The main reason for deforestation in Asia is - (1) excessive fuel wood collection (2) excessive soil erosion (3) floods (4) construction of roads
Last Answer : (1) excessive fuel wood collection Explanation: The main causes of total clearance are agriculture and in drier areas, fuelwood collection. The main cause of forest degradation is logging. Mining, ... and heating are overcutting forests'. This problem is worst in drier regions of the tropics.
Description : The main reason for deforestation in Asia is (1) excessive fuel wood collection (2) excessive soil erosion (3) floods (4) construction of roads
Last Answer : excessive fuel wood collection
Description : What slows runoff rain water helping to prevent floods and erosion?
Last Answer : water shed
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 : 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 : 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 : 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
Description : A broad, low embankment built up along the banks of a river channel during floods is called (1) Delta (2) Levee (3) Flood Plain (4) Dune
Last Answer : Levee
Description : ‘Flash floods’ are associated with (1) Thunderstorms (2) Cyclonic storms (3) Tsunami (4) Tornado
Last Answer : Cyclonic storms
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 : Soils in the Mahanadi delta are less fertile than those in the Godavari delta because of: (A) erosion of top soils by annual floods (B) inundation of land by sea water (C) traditional agriculture practices (D) the derivation of alluvial soil from red-soil hinterland
Last Answer : Answer: A The Mahanadi was notorious for its devastating floods for much of recorded history. Thus it was called 'the sorrow of Orissa'. However the construction of the Hirakud Dam has greatly ... matter of great concern. Indiscriminate damming along the river has been cited as an obvious reason.
Description : Which of the following is an environmental consequence of floods? (a) dispersal of weed species (b) erosion of soil (c) release of pollutants into waterways (d) all of the above.
Last Answer : (d) all of the above.
Description : Which of the following is an environmental consequence of floods? a) Dispersal of weed species b) Erosion of soil c) Release of pollutants into waterways d) All of the above.
Last Answer : d) All of the above.
Description : Environment degradation does not consist of A. Land degradation and soil erosion B. Problem of over grazing and ecological degradation C. Floods D. None of the above
Last Answer : D. None of the above
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 : The land forms formed by wave erosion is : (1) Spit (2) Beach (3) Cave (4) Barrier island
Last Answer : Cave
Description : Granite, quartzite areas have upstanding look because (1) mechanically wealthered faster (2) these rocks are resistant to all kinds of erosion (3) these rocks are not easily croded (4) not easily worn down
Last Answer : not easily worn down
Description : Widening of a river valley takes place due to (1) Corrosion (2) Lateral erosion (3) Corrasion (4) Hydraulic action
Last Answer : Lateral erosion
Description : Rift Valley is formed (1) between two anticlines (2) between two faults (3) erosion of synclinal basin (4) due to volcanic eruption
Last Answer : between two faults
Description : The formation of ‘Mushroom rock’ in desert region is an example of (1) Deflation (2) Attrition (3) Abrasion (4) Erosion
Last Answer : Abrasion
Description : Breaking down of rock in situ is known as (1) Erosion (2) Weathering (3) Mass wasting (4) Degradation
Last Answer : Weathering
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 : Which one of the following types of erosion is responsible for the formation of Chambal Ravines ? (1) Splash (2) Sheet (3) Rill (4) Gully
Last Answer : Gully
Description : Which one of the following types of erosion is responsible for the formation of Chambal Ravines? (1) Splash (2) Sheet (3) Rill (4) Gully
Description : Which of the following is an order for water harvesting mechanism? a. Catchment, recharge facility, storage facility, conduitsb. Catchment, storage facility, recharge facility, conduits c. ... conduits, storage facility, recharge facility d. Catchment, conduits, recharge facility, storage facility
Last Answer : c. Catchment, conduits, storage facility, recharge facility
Description : What is common to all of them? Select the most appropriate name. A. Soil erosion controlling methods. B. Traditional water harvesting methods. C. Modern methods of irrigation. D. All of them.
Last Answer : B. Traditional water harvesting methods.
Description : Contraction of this is an effective method of rainwater harvesting in the foothills A. Recharge pit. B. Bund. C. Recharge Trench. D. Contour bunding.
Last Answer : C. Recharge Trench
Description : With reference to agriculture, what are Smother Crops ? a Crops that are grown for grazing of harvesting for immediate or future feeding of livestock. b Crops grown to conserve the soil ... season when main crop fails. e Crops whose culture practices allow the infestation of weeds intensively.
Last Answer : e Crops whose culture practices allow the infestation of weeds intensively.
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 : 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 : Rainwater harvesting is carried out with the aim of: A. To meet the increasing demand of water. B. To reduce surface runoff and increase the ground water. C. To improve the quality of water. D. All the above.
Last Answer : D. All the above
Description : The maximum biodiversity is found in (1) Tropical rain forests (2) Temperate forests (3) Coniferous forests (4) Arctic forest
Last Answer : Tropical rain forests
Description : Tropical rain forest is characterised by (1) Absence of trees (2) Least productivity (3) Maximum biodiversity (4) Minimum biodiversity
Last Answer : Maximum biodiversity
Description : Evergreen rain forest is mainly found in regions having well distributed annual rainfall (1) Below 50 cm (2) 50-100 cm (3) 100-200 cm (4) More than 200 cm
Last Answer : More than 200 cm
Description : Which is a tropical food crop requiring a temperature of 270 C and a rain fall more than 100 cm? (1) Wheat (2) Maize (3) Rice (4) Barley
Last Answer : Rice
Description : Laterite soils are found in area where– (1) normal temperature and rain fall is less (2) temperature is high and rainfall is heavy (3) temperature is low and rainfall is nominal (4) temperature is high and rainfall is normal
Last Answer : temperature is high and rainfall is heavy
Description : The coral reefs are the marine counterparts of (1) Temperate forests (2) Tropical rain forests (3) Savannahs (4) Scrubland