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 : 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 : 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 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 : The main source of usable water on the Earth is – (1) Oceans (2) Rivers (3) Underground water (4) Precipitation
Last Answer : (3) Underground water Explanation: Even though most of the Earth's surface is water, only 1% of it is fresh usable water. Ninety-seven percent of the Earth's water is saltwater, which contains too many ... cent of water, followed by Freshwater Lakes: 0.009 per cent; and rivers: 0.0001 per cent.
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 : 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 : 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 : 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 : 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 : 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 : 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 : 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 : 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 : 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 : 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 : 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 : Wells are popular means of irrigation because, A. They are cheap to construct and are private source. B. They can irrigate very large area. C. Wells occupy small area. D. All the above,
Last Answer : A. They are cheap to construct and are private source.
Description : Tank irrigation is not popular in North India because, A. There are perennial rivers. B. Land is not undulating. C. The surface there is pervious and cannot collect water effectively. D. All the above.
Last Answer : D. All the above.
Description : The fraction of earth’s surface covered with water. (a) One-fourth (b) Half (c) Three-fourth (d) Two-third.
Last Answer : (c) Three-fourth
Description : Why is canal irrigation more popular in Northern India? A. The rivers are perennial as they are fed by the melting snows, B. The surface of the land is almost flat C. The demand for irrigation is very great in North India as a variety of crops are grown,
Last Answer : d. All.
Description : Migration of salt from sub-soil to the surface of a canal (a)Leaching. (b) Effervescence. (c)Fertilization. (d) All of the above.
Last Answer : (b) Effervescence
Description : Inundation canals are A. Drawn from cutting river banks. B. Canals from dams. C. Small canal from a main canal. D. None
Last Answer : A. Drawn from cutting river banks
Description : Water gets evaporated from water surfaces and land surfaces, get converted into water drops at lower temperatures, flows over ground surface and finally meets its source, i.e. lake, sea, etc. This ... Hydrological cycle (B) Water cycle (C) Evaporation and precipitation cycle (D) All the above
Last Answer : (D) All the above
Description : Pick up the correct statement from the following: (A) The precipitation during its travel in atmosphere dissolves certain gases (B) Rain water which percolates through the ground, is free from ... water may dissolve minerals and salts present in the earth's layers (D) All the above
Description : This is a method of........ a. Water Conservation b. Soil Conservation c. Groundwater Recharge d. All
Last Answer : d. All
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 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 : 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
Description : Irrigation methods are the need of the hour because: a. Rainfall is uncertain b. Unevenly distributed rainfall c. To utilize river water efficiently d. All of the above
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 : In the Western Himalayas water storing mechanism are called: a. Khatri b. Diggi c. Bhandara d. Zing
Last Answer : a. Khatri
Description : We need to conserve water because: a. Water resources are over-exploited b. Irrigation utilizes more than 90% of the total fresh water c. Over population leads to water scarcity d. All of the above
Description : There is great need of irrigation in India because, A. To increase the per hectare production. B. Water is indispensable part of Green revolution. C. To fulfill the food demand of very high population. D. All.