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 : 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 : 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 : 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 : 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 : 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 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 : Which is not a water harvesting mechanism. (a) Conduits. (b) Catchments (c) Sprinkler. (d)Watershed Management.
Last Answer : (c) Sprinkler.
Description : This is a method of........ a. Water Conservation b. Soil Conservation c. Groundwater Recharge d. All
Last Answer : d. All
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 : Most advanced and efficient method of irrigation consisting of perforated pipes. (a) Sprinkler irrigation. (b) Drip irrigation. (c) Spray irrigation. (d) Furrow irrigation.
Last Answer : (b) Drip irrigation
Description : An aquiclude is (A) A non artesian aquifer (B) An artesian aquifer (C) A confined bed of impervious material between aquifers (D) A large water body underground
Last Answer : (C) A confined bed of impervious material between aquifers
Description : Pick up the incorrect statement from the following: (A) The rate of flow of water through a unit cross-sectional area under a unit hydraulic gradient, is called coefficient of permeability (B) ... aquifers, is governed by the Darcy's law (D) The term 'transmissibility' was introduced by Meinzer
Last Answer : Answer: Option D
Description : Essential factor leading to the development of well irrigation would be (A) Uneven ground with many natural depressions. (b) Nonporous rocks. (c) High water table and soft soil. (d) None
Last Answer : (c) High water table and soft soil.
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 : 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 : 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 : 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 : 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 : The main source of water is : a. Surface water b. Precipitation ( Rain) c. Ground water; d. Oceans.
Last Answer : b. Precipitation ( Rain)
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 : Not a source of fresh water. (a) Glaciers and ice sheets. (b) Ground water. (c) Surface runoff. (d) Oceans.
Last Answer : (d) Oceans.
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 : 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
Description : Most efficient means of irrigation in South India. A. Sprinkle. B. Drip. C. Tube well. D. Canal.
Last Answer : B. Drip.
Description : It is the most advanced system of irrigation what was developed in Israel. A. Canal. B. Drip. C. Sprinkle. D. Tube well.
Description : What is the approximate area irrigated by a well? a. 4 hectares. b. 5 to 10 hectares. c. 20 to 30 hectares. d. 1 to 2 hectares.
Last Answer : d. 1 to 2 hectares.
Description : Well irrigation is practiced in ____ a. Andaman and Nicobar b. Meghalaya c. Madhya Pradesh d. Mizoram
Last Answer : c. Madhya Pradesh
Description : Alluvial tracts are suitable for the construction of _______________ a. Damns b. Bridges c. Canals d. Well
Last Answer : d. Well
Description : This mode of irrigation is the second highest in percentage. ( 39 %) A. Well irrigation. B. Canal irrigation. C. Drip irrigation. D. Tank irrigation.
Last Answer : B. Canal irrigation.
Description : This mode of irrigation can irrigate lakhs of hectares single handedly, A. Well irrigation. B. Canal irrigation. C. Drip irrigation. D. None of the above.
Description : Well irrigation is most prominent in A. Punjab, Haryana, UP, Bihar. B. Maharashtra, Karnataka, Gujarat, Tamil Nadu. C. Rajasthan, Gujarat. MP and Orissa. D. Meghalaya, Sikkim, Nagaland and Jammu Kashmir.
Last Answer : A. Punjab, Haryana, UP, Bihar
Description : Persian well, Shadoff, Mot are the A. Primitive means of irrigation. B. Necessary means of irrigation. C. Modern means of irrigation. D. Contemporary means of irrigation.
Last Answer : A. Primitive means of irrigation.
Description : Construction cost of this mode of irrigation is zero. A. Well. B. Sprinkle. C. Drip. D. Tank.
Last Answer : D. Tank.
Description : Most expensive mode of irrigation is, A. Well. B. Sprinkle. C. Drip. D. Tank
Last Answer : B. Sprinkle.
Description : Pick up the correct statement applicable to plate load test (A) Width of the test pit for plate load test is made five times the width of the plate (B) At the centre of the test pit, a hole is dug ... at the centre of the test pit, is kept at the level of the actual formation (D) All the above
Description : Need for irrigation is on account of, A. Seasonal Rainfall. B. Uneven distribution of rainfall. C. Different water needs of crops. D. All the above.
Last Answer : D. All the above.
Description : Perched aquifers are generally found (A) On the surface of the ground (B) Below the surface of the ground but above water table (C) Below the water table (D) All the above
Last Answer : (B) Below the surface of the ground but above water table
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 : 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 : 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 : This diagram shows, A. Course of river. B. Watershed. C. Water Divide. D Water conservation methods.
Last Answer : B. Watershed.
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 : 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