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

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
by

1 Answer

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 of increasing the recharge of groundwater by capturing and storing rainwater by constructing structures such as dug wells, percolating pit, check dams.
by
selected by

Related questions

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

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

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.

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.

The main reason for deforestation in Asia is - (1) excessive fuel wood collection (2) excessive soil erosion (3) floods (4) construction of roads

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.

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.

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.

The rain water harvesting shown here is A. Recharge Pit. B. Recharge Trench. C. Roof top rain water harvesting. D. Bunds of slopes.

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.

The main reason for deforestation in Asia is (1) excessive fuel wood collection (2) excessive soil erosion (3) floods (4) construction of roads

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

What slows runoff rain water helping to prevent floods and erosion?

Description : What slows runoff rain water helping to prevent floods and erosion?

Last Answer : water shed

What is the main advantage of transplantation method in rice cultivation? (a) This method ensures maximum utilization of land (b) It is helpful in achieving an economical use of water and a higher yield of grain (c) It helps in early harvesting (d) The draining of water from the field before harvesting is made easy

Description : What is the main advantage of transplantation method in rice cultivation? (a) This method ensures maximum utilization of land (b) It is helpful in achieving an economical use of water and a higher ... helps in early harvesting (d) The draining of water from the field before harvesting is made easy

Last Answer : Ans: (b)

The advantage of micro-hydel projects is that they (a) make use of water of the perennial hill streams and irrigation canals (b) prevent flash floods (c) save water (d) involve less cost

Description : The advantage of micro-hydel projects is that they (a) make use of water of the perennial hill streams and irrigation canals (b) prevent flash floods (c) save water (d) involve less cost

Last Answer : Ans: (d)

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

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.

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.

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.

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.

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.

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

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

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. Catchment, conduits, storage facility, recharge facility d. Catchment, conduits, recharge facility, storage facility

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

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

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 : (4) All of the options mentioned here Explanation: Water conservation encompasses the policies, strategies and activities to manage fresh water as a sustainable resource, to protect the water ... use and natural regeneration of vegetation are some of the holistic ways for conserving water.

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.

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 : (4) It increases run-off losses. Explanation: Rainwater harvesting is a technique used for collecting, storing, and using rainwater for landscape irrigation and other uses. It, reduces water runoff, ... water on the roads, improves the quality of water and reduces the chances of soil erosion.

Which state of India has made rain water harvesting compulsory for all houses? (1) Haryana (2) Maharashtra (3) Tamil Nadu (4) Punjab

Description : Which state of India has made rain water harvesting compulsory for all houses? (1) Haryana (2) Maharashtra (3) Tamil Nadu (4) Punjab

Last Answer : (3) Tamil Nadu Explanation: Rainwater harvesting has been made compulsory for every building in Tamil Nadu to avoid ground water depletion. Since its implementation, Chennai saw a 50 percent rise in ... accumulation and deposition of rainwater for reuse on-site, rather than allowing it to run off.

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.

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.

Contraction of this is an effective method of rainwater harvesting in the foothills A. Recharge pit. B. Bund. C. Recharge Trench. D. Contour bunding.

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

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 moisture through their ground covering foliage. c Crops grown to suppress weeds by providing dense foliage and quick growing ability. d Crops cultivated to catch the forthcoming season when main crop fails. e Crops whose culture practices allow the infestation of weeds intensively.

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.

Contour ploughing helps in – (1) stopping floods (2) growing crops (3) soil conservation (4) checking landslides

Description : Contour ploughing helps in – (1) stopping floods (2) growing crops (3) soil conservation (4) checking landslides

Last Answer : (3) soil conservation Explanation: Contour ploughing is the farming practice of ploughing across a slope following its elevation contour lines. The rows form slow water run-off during rainstorms to prevent soil erosion and allow the water time to settle into the soil.

The main cause of recurring flood is – (1) Soil erosion (2) Deforestation (3) Silting of river beds (4) All of the above

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 : (4) All of the above Explanation: Floods are caused by a variety of factors, both natural and man-made. Apart from soil erosion and silting of river beds which force the water of rivers ... against water flow and in turn protect the underlying soil from getting eroded and then getting washed away.

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.

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

Which of the following is not an advantage of weeds? a. A Controls Soil Erosion b. B Expedites water flow in irrigation canals c. C Maintain Soil Fertility d. D Used as fodder

Description : Which of the following is not an advantage of weeds? a. A Controls Soil Erosion b. B Expedites water flow in irrigation canals c. C Maintain Soil Fertility d. D Used as fodder

Last Answer : b. B Expedites water flow in irrigation canals

The initial basin recharge is equal to (A) Interception (B) Depression storage (C) Rain absorbed by the moisture deficiency (D) All the above

Description : The initial basin recharge is equal to (A) Interception (B) Depression storage (C) Rain absorbed by the moisture deficiency (D) All the above

Last Answer : Answer: Option D

The principal cause of soil damage in Punjab and Haryana is (a) Deforestation (b) Soil erosion (c) Excessive cultivation (d) Salinity and water logging

Description : The principal cause of soil damage in Punjab and Haryana is (a) Deforestation (b) Soil erosion (c) Excessive cultivation (d) Salinity and water logging

Last Answer : Ans: (d)

Which of the following indicates the types of soil erosion in decreasing order of damage caused In India (a) Ravine erosion .and gullies, alkalinity and salinity weeds and water-logging (b) Alkalinity and water-logging, ravine erosion and weeds (c) Water-logging, weeds, salinity and ravine erosion (d) All are equally damaging

Description : Which of the following indicates the types of soil erosion in decreasing order of damage caused In India (a) Ravine erosion .and gullies, alkalinity and salinity weeds and water-logging (b) Alkalinity ... and weeds (c) Water-logging, weeds, salinity and ravine erosion (d) All are equally damaging

Last Answer : Ans: (a)

Which of the following functions performed by a forest help most in controlling drought? (a) forests act as water sheds (b) forests bring rainfall in monsoon (c) forests lower the temperature of the environment (d) forests prevent soil erosion

Description : Which of the following functions performed by a forest help most in controlling drought? (a) forests act as water sheds (b) forests bring rainfall in monsoon (c) forests lower the temperature of the environment (d) forests prevent soil erosion

Last Answer : Ans: (b)

"Mulching" is the term used for the process of (a) Covering the roots of plants with loose material, dung, etc. in order to protect them from soil erosion etc. (b) Breaking down big pieces of soil into small ones (c) Transplanting of paddy seedlings (d) Nitrogen fixation of soil by use of fertilizers

Description : "Mulching" is the term used for the process of (a) Covering the roots of plants with loose material, dung, etc. in order to protect them from soil erosion etc. (b) Breaking down big pieces ... into small ones (c) Transplanting of paddy seedlings (d) Nitrogen fixation of soil by use of fertilizers

Last Answer : Ans: (a)

Which of the following is/are methods of checking soil erosion? 1. Strip cropping 2. Contour ploughing 3. Use of irrigation and fertilisers 4. Terrace farming (a) 1 and 2 (b) 3 and 4 (c) 2, 3 and 4 (d) 1, 2, 3 and 4

Description : Which of the following is/are methods of checking soil erosion? 1. Strip cropping 2. Contour ploughing 3. Use of irrigation and fertilisers 4. Terrace farming (a) 1 and 2 (b) 3 and 4 (c) 2, 3 and 4 (d) 1, 2, 3 and 4

Last Answer : Ans: (d)

The formation of laterite soil is mainly due to: (a) weathering (b) erosion (c) leaching (d) deposition

Description : The formation of laterite soil is mainly due to: (a) weathering (b) erosion (c) leaching (d) deposition

Last Answer : Ans: (c)

River Damodar is called 'Sorrow of Bengal' because it : [CPO SI 2003] (a) gets flooded often causing havoc (b) causes maximum soil erosion (c) forms number of dangerous waterfalls (d) is not a perennial river

Description : River Damodar is called 'Sorrow of Bengal' because it : [CPO SI 2003] (a) gets flooded often causing havoc (b) causes maximum soil erosion (c) forms number of dangerous waterfalls (d) is not a perennial river

Last Answer : Ans: (a)

Soil erosion on hill slopes can be checked by – (1) Afforestation (2) Terrace cultivation (3) Strip cropping (4) Contour ploughing

Description : Soil erosion on hill slopes can be checked by – (1) Afforestation (2) Terrace cultivation (3) Strip cropping (4) Contour ploughing

Last Answer : (2) Terrace cultivation Explanation: Terrace farming is a type of farming that was developed first by the Inca people. This method of farming uses "steps", called andenes that are built into the side of ... of water that would take plants with it and destroy the all of the crops on the hillside.

In a desert region, soil erosion can be checked by – (1) Tree plantation/afforestation (2) Crop rotation (3) Contour ploughing (4) Using farm manure

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 : (1) Tree plantation/afforestation Explanation: Soil erosion in a desert region can be checked by tree plantation and afforestation.

Soil erosion can be prevented by – (1) Increasing bird population (2) Afforestation (3) Removal of vegetation (4) Overgrazing

Description : Soil erosion can be prevented by – (1) Increasing bird population (2) Afforestation (3) Removal of vegetation (4) Overgrazing

Last Answer : (2) Afforestation Explanation: Soil erosion takes place when the soil is blown away by the wind or washed away by the rain. Afforestation or planting trees can check soil erosion as roots of trees/ ... planted their roots don't allow the soil to be blown or washed away and prevent soil erosion.

In a desert region, soil erosion can be checked by – (1) Contour ploughing (2) Using farm manure (3) Tree plantation/Afforestaion (4) Crop rotation

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 : (3) Tree plantation/Afforestaion Explanation: Afforestation holds the key for preventing soil erosion in desert regions and further desertification. Trees or even small plants bind soil to ... introduction of improved dry farming practices and animal husbandry and plantations for fuel and fodder.

Which one of the following does not cause soil erosion? (1) Deflation (2) Deforestation (3) Weathering (4) Overcropping

Description : Which one of the following does not cause soil erosion? (1) Deflation (2) Deforestation (3) Weathering (4) Overcropping

Last Answer : (1) Deflation Explanation: Deflation is a decline in general price-levels, often caused by a reduction in the supply of money or credit. Deflation can also be brought about by direct contractions in ... in an economy, since the process often leads to a lower level of demand in the economy.

Which one of the following is the indirect use of forests? (1) Medicinal plants (2) Checking soil erosion (3) Building material (4) Grazing

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 : (2) Checking soil erosion Explanation: Some of the indirect uses of forests include: prevention and control of soil erosion, flood control, checks on spread of deserts, increase of soil fertility ... of forest cover leads to increased runoff of rain water and its diminished seepage in soil.

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 : Plantation of trees on a large scale to check soil erosion are called: (1) Shelter belts (2) Contour ploughing (3) Strip cropping (4) Afforestation

Last Answer : (4) Afforestation Explanation: Afforestation is the establishment of a forest or stand of trees in an area where there was no forest. As plant roots hold the soil. Afforestation prevents soil erosion and enables better retention of water.

Salination of soil is caused by – (1) pesticides (2) soil erosion (3) excess irrigation (4) crop rotation

Description : Salination of soil is caused by – (1) pesticides (2) soil erosion (3) excess irrigation (4) crop rotation

Last Answer : (3) excess irrigation Explanation: Soil salinity is the salt content in the soil: the process of increasing the salt content is known as salinization. Excess irrigation leads to increase in ... is also greatly increased by poor drainage and use of saline water for irrigating agricultural crops.

River Damodar is called 'Sorrow of Bengal' because it – (1) gets flooded often causing havoc (2) causes maximum soil erosion (3) forms number of dangerous waterfalls (4) is not a perennial river

Description : River Damodar is called 'Sorrow of Bengal' because it – (1) gets flooded often causing havoc (2) causes maximum soil erosion (3) forms number of dangerous waterfalls (4) is not a perennial river

Last Answer : (1) gets flooded often causing havoc Explanation: Damodar River is a river flowing across the Indian states of Jharkhand and West Bengal. Rich in mineral resources, the valley is home to ... Bengal, the Damodar and its tributaries have somewhat been tamed with the construction of several dams.

Generally, the soil of the northern plains of India has been formed by – (1) degradation (2) aggradation (3) weathering in situ (4) erosion

Description : Generally, the soil of the northern plains of India has been formed by – (1) degradation (2) aggradation (3) weathering in situ (4) erosion

Last Answer : (2) aggradation Explanation: The Northern Fertile Plain lies to the south of Himalayan Region, It is also called the Gangetic Plain. It is a vast plain and level land between the Himalayas in the North ... and is very fertile. This plain is one of the largest and most fertile plains of the World.

Ground water is recharged by different aquifers, which of the following is not an aquifer: a. Bore well b. Dug well c. Sprinkler. D. Recharge pit

Description : Ground water is recharged by different aquifers, which of the following is not an aquifer: a. Bore well b. Dug well c. Sprinkler. D. Recharge pit

Last Answer : c. Sprinkler

In which year was the Artificial Recharge of Ground Water Advisory Council (ARGWC) constituted? a. A 2012 b. B 2010 c. C 2008 d. D 2006

Description : In which year was the Artificial Recharge of Ground Water Advisory Council (ARGWC) constituted? a. A 2012 b. B 2010 c. C 2008 d. D 2006

Last Answer : d. D 2006

In which year was the Artificial Recharge of Ground Water Advisory Council (ARGWC) constituted? a. A 2012 b. B 2010 c. C 2008 d. D 2006

Description : In which year was the Artificial Recharge of Ground Water Advisory Council (ARGWC) constituted? a. A 2012 b. B 2010 c. C 2008 d. D 2006

Last Answer : d. D 2006

The run off a drainage basin is (A) Initial recharge + ground water accretion + precipitation (B) Precipitation + ground water accretion + initial recharge (C) Precipitation - ground water accretion + initial recharge (D) Precipitation - ground water accretion - initial recharge

Description : The run off a drainage basin is (A) Initial recharge + ground water accretion + precipitation (B) Precipitation + ground water accretion + initial recharge (C) Precipitation - ground water accretion + initial recharge (D) Precipitation - ground water accretion - initial recharge

Last Answer : Answer: Option D

Illustrate the procedure of Ground water recharge pit with neat sketch.

Description : Illustrate the procedure of Ground water recharge pit with neat sketch.

Last Answer : Procedure: 1) It is adopted for buildings having roof area up to 100 sq m. recharge pit of any shape is constructed generally 1 - 2 m wide and 2 - 3 m deep. 2) The pit is filled with ... water in to sub-soil. 5) This method is suitable where permeable strata is available at shallow depth

Objectives of Tillage a. To destroy the prevent weeds. c) both A & B b. To reduce soil and erosion d) increase the output of work per unit time

Description : Objectives of Tillage a. To destroy the prevent weeds. c) both A & B b. To reduce soil and erosion d) increase the output of work per unit time

Last Answer : both A & B

Most of the floods in the lowlands of N. India, the Bihar plateau and Orissa are associated with: (a) easterly depression (b) orographic rainfall (c) South-West Monsoon (d) Thunderstorm

Description : Most of the floods in the lowlands of N. India, the Bihar plateau and Orissa are associated with: (a) easterly depression (b) orographic rainfall (c) South-West Monsoon (d) Thunderstorm

Last Answer : Ans: (b)

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

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 : (2) Levee Explanation: A levee, dike, dyke or flood bank is a broad, low embankment built up along the banks of a river channel during floods. Levees are usually parallel to the way the ... so levees can help direct the flow of the river. Levees can also be artificially created or reinforced.