The fraction of earth’s surface covered with water. (a) One-fourth (b) Half (c) Three-fourth (d) Two-third.

The fraction of earth’s surface covered with water.
(a) One-fourth (b) Half (c) Three-fourth (d) Two-third.
by

1 Answer

Answer :

(c) Three-fourth
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Related questions

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.

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?

The main source of water is : a. Surface water b. Precipitation ( Rain) c. Ground water; d. Oceans.

Description : The main source of water is : a. Surface water b. Precipitation ( Rain) c. Ground water; d. Oceans.

Last Answer : b. Precipitation ( Rain)

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.

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.

Not a source of fresh water. (a) Glaciers and ice sheets. (b) Ground water. (c) Surface runoff. (d) Oceans.

Description : Not a source of fresh water. (a) Glaciers and ice sheets. (b) Ground water. (c) Surface runoff. (d) Oceans.

Last Answer : (d) Oceans.

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.

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.

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

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,

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.

Migration of salt from sub-soil to the surface of a canal (a)Leaching. (b) Effervescence. (c)Fertilization. (d) All of the above.

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

This is a method of........ a. Water Conservation b. Soil Conservation c. Groundwater Recharge d. All

Description : This is a method of........ a. Water Conservation b. Soil Conservation c. Groundwater Recharge d. All

Last Answer : d. All

. 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

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

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

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.

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

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

Such wells (Unlined) are constructed normally in areas.......a. Where the water table is low c. Where the farmer is affluent available.

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.

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.

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.

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.

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.

This diagram shows, A. Course of river. B. Watershed. C. Water Divide. D Water conservation methods.

Description : This diagram shows, A. Course of river. B. Watershed. C. Water Divide. D Water conservation methods.

Last Answer : B. Watershed.

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 polluted and their water can hardly use without adequate treatment. C. The water demand for industrial use will increase day by day. D. India gets little rain.

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.

Tanks play which of the important role. A. Saving water. B. Increasing ground water. C. Cheap mode of irrigation. D. All.

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.

Following are the advantages of tank irrigation a. Cheapest b. Naturally available c. Increase ground water table. d. All the above.

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.

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

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

The advantage of spring irrigation are a. Water saving b. Equal distribution. c. Cause water pollution d. Plant diseases

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.

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

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

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 : 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

Last Answer : d. All of the above

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

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

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

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

Ideal conditions for drilling wells are: a. Plentiful water. b. Soft soil. c. Not very deep.

Description : Ideal conditions for drilling wells are: a. Plentiful water. b. Soft soil. c. Not very deep.

Last Answer : All the options

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

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

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

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

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 : 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

Last Answer : d. All of the above

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

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

In the Western Himalayas water storing mechanism are called: a. Khatri b. Diggi c. Bhandara d. Zing

Description : In the Western Himalayas water storing mechanism are called: a. Khatri b. Diggi c. Bhandara d. Zing

Last Answer : a. Khatri

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.

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 : 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

Last Answer : d. All of the above

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.

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.

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.

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.

Last Answer : D. All.

The need for conservation of water has arisen due to A. Increased demand of water. B. Increased population. C. Increased need for industrialization and irrigation. D. All the above.

Description : The need for conservation of water has arisen due to A. Increased demand of water. B. Increased population. C. Increased need for industrialization and irrigation. D. All the above.

Last Answer : D. All the above.

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.

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

Which is not a water harvesting mechanism. (a) Conduits. (b) Catchments (c) Sprinkler. (d)Watershed Management.

Description : Which is not a water harvesting mechanism. (a) Conduits. (b) Catchments (c) Sprinkler. (d)Watershed Management.

Last Answer : (c) Sprinkler.

Which is not an adverse effect of irrigation? (a) Irrigation changes cropping pattern. (b) Water intensive crops are grown in dry areas. (c) Salinization of soil (d) Increase in crop yield.

Description : Which is not an adverse effect of irrigation? (a) Irrigation changes cropping pattern. (b) Water intensive crops are grown in dry areas. (c) Salinization of soil (d) Increase in crop yield.

Last Answer : (c) Salinization of soil

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.

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.

Conservation of water is essential as (a) Water table is improved due to over exploitation. (b) Rainfall is evenly distributed throughout the country. (c) Industries use large amount of water. (d)None.

Description : Conservation of water is essential as (a) Water table is improved due to over exploitation. (b) Rainfall is evenly distributed throughout the country. (c) Industries use large amount of water. (d)None.

Last Answer : (c) Industries use large amount of water.

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

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.

Irrigation in India faces many problems. (a) Reduced water pollution and improved quality of water. (b) Deforestation leading to drought and reduction of rainfall. (c) A large quantity of water is not properly utilized. (d) All

Description : Irrigation in India faces many problems. (a) Reduced water pollution and improved quality of water. (b) Deforestation leading to drought and reduction of rainfall. (c) A large quantity of water is not properly utilized. (d) All

Last Answer : (c) A large quantity of water is not properly utilized.

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.

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

The area of land where water collects after the rain is termed as: A. Watershed. B. Catchment area. C. Aquifer. D. Percolation area.

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.

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.

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.

This state has made it mandatory for every building to harvest water. A. Tamil Nadu. b. Haryana. C. Meghalaya. D. Bihar.

Description : This state has made it mandatory for every building to harvest water. A. Tamil Nadu. b. Haryana. C. Meghalaya. D. Bihar.

Last Answer : A. Tamil Nadu.