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 : This method shown here is termed as A. Surface water harvesting. B. Rain water harvesting. C. Roof top rainwater harvesting. D. Flat top rain water harvesting.
Last Answer : C. Roof top rainwater harvesting.
Description : This is a bore well construction. A hollow structure around it is termed as A. Recharge trench. B. Recharge pit. C. Bore well pit. D. A tube well.
Last Answer : B. 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
Description : Which of the following is not a cause of water scarcity? (a) Growing population. (b) Exploited underground water. (C) Afforestation. (d) Roof top rainwater harvesting techniques.
Last Answer : (C) Afforestation.
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 : 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 : Watershed development project sponsored by the Central Govt and is implemented by Gram Panchayat with people’s participation. A. Pradhanmantri Water Conservation Project. B. Haryali. C. Rain water harvesting. D. Water Revolution.
Last Answer : B. Haryali.
Description : This is a method of........ a. Water Conservation b. Soil Conservation c. Groundwater Recharge d. All
Last Answer : d. All
Description : Identify the method of recharging groundwater aquifers. (a) Bore wells (b) Recharge trenches (c) Percolation pits. (d) Recharge trenches.
Last Answer : (c) Percolation pits.
Description : Irrigation is significant in Punjab because (a) There is no rain in the state throughout the year. (b) Green Revolution began here. (c) Due to the presence of natural depressions. (d) Presence of five major rivers.
Last Answer : (b) Green Revolution began here.
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 : 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 : The activity of collecting water directly into the ground to improve groundwater storage in the aquifer is termed as, A. Watershed development. B. Water Conservation. C. Rainwater harvesting. D. Recharging for the aquification.
Last Answer : C. Rainwater harvesting.
Description : Which is not an objective of the Rainwater Harvesting (a) Minimizing the problem of droughts and goals. (b) Recharging of ground water. (c)Encouraging recycling of water. (d) None of the above.
Last Answer : (c)Encouraging recycling of water
Description : Which is not a water harvesting mechanism. (a) Conduits. (b) Catchments (c) Sprinkler. (d)Watershed Management.
Last Answer : (c) Sprinkler.
Description : A watershed development project by Central Government aiming at conservation of water. (a) Haryali (b) Rainwater Harvesting (c) Conservation of water. (d) None of the above.
Last Answer : (a) Haryali
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 : Which is the first state in India which has made rooftop rainwater harvesting structure compulsory to all the houses across the state? (a) West Bengal (b) Meghalaya (c) Rajasthan (d) Tamil Nadu.
Last Answer : (d) Tamil Nadu.
Description : Rainwater harvesting technique adopted in Rajasthan (a)Dongs (b)Kere (c) Johads (d) Pukur.
Last Answer : (c) Johads
Description : Name two techniques of roof top rain water harvesting. -SST 10th
Last Answer : (i) Recharge through hand pump. (ii) Recharge through abandoned dug well.
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 : 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 : Which is not a reason for conservation of water resources. A. The increase in population with the progress of time results in water scarcity. B. Our water resources like the river, lakes etc., are ... C. The water demand for industrial use will increase day by day. D. India gets little rain.
Last Answer : D. India gets little rain.
Description : Following are the advantages of tank irrigation a. In a seasonal rainfall, it is very useful b. Only options a and c c. Abundant rain water can be stored d. None of the above
Last Answer : b. Only options a and c
Description : The main source of water is : a. Surface water b. Precipitation ( Rain) c. Ground water; d. Oceans.
Last Answer : b. Precipitation ( Rain)
Description : The area of land where water collects after the rain is termed as: A. Watershed. B. Catchment area. C. Aquifer. D. Percolation area.
Last Answer : B. Catchment area.
Description : Which is not the importance of irrigation? A. Soil conservation. B. Assured crop production. C. Fulfilling food demand of India. D. Uncertain rain
Last Answer : C. Fulfilling food demand of India.
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
Description : Name any two states where roof top water harvesting is most common. -SST 10th
Last Answer : Meghalaya and Rajasthan.
Description : Which water is recharged by roof-top rainwater harvesting technique? -SST 10th
Last Answer : Ground water.
Description : Why is roof top water harvesting important in Rajasthan? -SST 10th
Last Answer : Roof top water harvesting is important in Rajasthan because: (i) It was commonly practised to store drinking water. (ii) The rainwater can be stored in the tanks till the next rainfall, making it an ... cool. (v) Some houses still maintain the tanks since they do not like the taste of tap water.
Description : Explain the working of underground tanks as a part of roof top rainwater harvesting system practised in Rajasthan. -SST 10th
Last Answer : (i) In semi-arid and arid regions of Rajasthan almost all the houses traditionally had underground tanks for storing drinking water. (ii) The tanks can be as large as big rooms. (iii) The ... underground tanks. (vi) Usually first rain water is not collected to clean the rooftop and the pipe.
Description : Which characteristic is applicable to this method of irrigation? (Surface Wells) a. About 10% of the irrigated area in India is under this method of irrigation. b. Is an age old method of supplying water for various purposes? c. Water from this source is not potable. d. All of the above.
Last Answer : b. Is an age old method of supplying water for various purposes?
Description : . Is not an advantage of this system of irrigation (Drip). a. Water application efficiency is high. b. Recycled non-portable water can be safely used. c. Moisture within the root zone can be maintained. d. Initial cost is more than overhead syste
Last Answer : d. Andhra Pradesh
Description : Is not an advantage of this system of irrigation (Drip). a. Water application efficiency is high. b. Recycled non-portable water can be safely used. c. Moisture within the root zone can be maintained. d. Initial cost is more than overhead s
Last Answer : d. Initial cost is more than overhead systems.
Description : In this method of irrigation (Tube wells)...... a. The ground should be hard should be available. c. The water table should be low rainfall. b. Cheap hydroelectric power d. The area must experience scanty
Last Answer : b. Cheap hydroelectric power
Description : Such wells (Unlined) are constructed normally in areas.......a. Where the water table is low c. Where the farmer is affluent available.
Last Answer : b. Where the water table is high.
Description : Which of the following is not a benefit of this type of canal? A. Controlling floods. B. Cheap method of irrigation. C. Can irrigate huge area. D. Provide water directly from a river to the crops.
Last Answer : C. Can irrigate huge area.
Description : This diagram shows, A. Course of river. B. Watershed. C. Water Divide. D Water conservation methods.
Last Answer : B. Watershed.
Description : Tanks play which of the important role. A. Saving water. B. Increasing ground water. C. Cheap mode of irrigation. D. All.
Last Answer : D. All.
Description : Following are the advantages of tank irrigation a. Cheapest b. Naturally available c. Increase ground water table. d. All the above.
Last Answer : d. All the above.
Description : Which of the following is the advantage of sprinkler irrigation? a. No loss of water by seepage b. No loss of water by evaporation c. Options a and b d. Only option b
Last Answer : c. Options a and b
Description : The advantage of spring irrigation are a. Water saving b. Equal distribution. c. Cause water pollution d. Plant diseases
Last Answer : a. Water saving b. Equal distribution.
Description : The following are the advantages of the conventional methods of irrigation a. Low cost of construction b. Animals used for ploughing are utilised for drawing water c. Water can be lifted from great depths d. All of the above
Last Answer : d. All of the above
Description : The following are the advantages of the modern methods of irrigation a. Large quantity of water is properly utilized b. No Soil erosion. c. Can be used in arid and semi-arid regions. d. All of the above
Description : Perennial canals are constructed by: a. Constructing barrages to regulate the flow of water b. Constructing an embankment c. Digging the ground around the canal d. None of the above
Last Answer : b. Constructing an embankment
Description : Ideal conditions for drilling wells are: a. Plentiful water. b. Soft soil. c. Not very deep.
Last Answer : All the options
Description : In the lever method water can be lifted from shallow wells to a height of ______ a. 8 mts b. 3.5 to 4.5 mts c. 7- 10 mts d. 12 mts
Last Answer : b. 3.5 to 4.5 mts
Description : Well irrigation is popular where depth of the water table doesn’t exceed a. 15 mts b. 12 mts c. 20 mts d. 14 mts
Last Answer : a. 15 mts