Tag: flow of water

Questions Related to flow of water

_____ is necessary for the maximum and judicious use of water

evs flow of water irrigation irrigation and its types irrigation and types

  1. The knowledge of soil texture

  2. Modern methods of agriculture

  3. Irrigation system

  4. All of the above

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Correct Option: D

Modern irrigation methods include 

evs - i flow of water irrigation irrigation and its types irrigation and types

  1. A method of fountain irrigation

  2. A method of sprinkle irrigation

  3. A method of drip irrigation

  4. All of the above

Show answer
Correct Option: D
Explanation:

Modern irrigation methods include a method of fountain irrigation and method of sprinkle irrigation or method of drip irrigation which consume less water.

Thus, the correct answer is option D.

In drip irrigation system water is irrigated drop by drop directly at the ____ of the crop through drippers set in small plastic tubes

evs - i flow of water irrigation irrigation and its types irrigation and types

  1. Root system

  2. Shoot system

  3. Leaf system

  4. Venation system

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Correct Option: A

Drip irrigation belongs to which category of irrigation method?

evs - i flow of water irrigation irrigation and its types irrigation and types

  1. Sprinkler

  2. Surface

  3. Localized

  4. None of the above

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Correct Option: C
Explanation:

Drip irrigation is a method in which water flows through special pipes called drip pipes. It is a micro-irrigation system in which large pipes are used to distribute water into the fields. It has the potential to supply water and nutrients to the soil.

So, the correct option is 'Localized'.

In which of the following areas the sub irrigation is used?

evs - i flow of water irrigation irrigation and its types irrigation and types

  1. High water tables

  2. Low water tables

  3. Moist soil

  4. No water at all

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Correct Option: A
Explanation:

Sub-irrigation system is the process in which the water is passed through roots of the plants. It is also know as seepage irrigation. In commercial landscaping sub-irrigation system is located below in a box or a container.

So, the correct option is 'High water tables'.

.......... system involves wetting of agricultural lands and infiltration of soil.

evs - i flow of water irrigation irrigation and its types irrigation and types

  1. Surface irrigation

  2. Drip irrigation

  3. Sprinkler

  4. All of the above

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Correct Option: A
Explanation:

Surface irrigation is a method of irrigation in which water is supplied by gravity flow over the surface of the land. In this method either the whole surface is supplied or the fields are wet with the help of pipes.

So, the correct option is 'Surface irrigation'.

.......... is the artificial application of water to the land or soil.

evs flow of water irrigation irrigation and its types irrigation and types

  1. Ploughing

  2. Irrigation

  3. Rainwater farming

  4. Tilling

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Correct Option: B
Explanation:

Irrigation is a system or process of supplying water to the fields where the crops are being grown.It was started due to the deficiency of rainfalls . Irrigation also makes the soil more fertile and nourishes the crop. It is the artificial method of supplying water into the fields.

So, the correct option is 'Irrigation'.

Dhekli method of irrigation is not as popular as other methods of irrigation because

evs flow of water irrigation irrigation and its types irrigation and types

  1. It wastes lots of water

  2. It is a time consuming method

  3. It is not a cost effective

  4. All of the above

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Correct Option: A
Explanation:

Dhekli is a method where water is taken directly from the wells with the help of a pulley. It is a manual method of irrigation. The main disadvantage of this method is that it wastes a lot of water. It is less practised than other systems of irrigation.

So, the correct option is 'It wastes lots of water'.

Rahat system of irrigation was primarily used in 

evs flow of water irrigation irrigation and its types irrigation and types

  1. Africa

  2. America

  3. India

  4. Indonesia

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Correct Option: A
Explanation:
The Rahat system of irrigation requires a large well in which a wheel is used. The wheel is turned by oxen, buffalo or cows to get the water out of the well and then spread out over the crops. It was primarily used in the subcontinent of Africa and the Middle East.
So, the correct answer is option A.

Rahat system of irrigation requires

evs flow of water irrigation irrigation and its types irrigation and types

  1. A large well in which rope and container are used

  2. A large well in which wheel is used

  3. A small well which is connected with pipes

  4. None of the above

Show answer
Correct Option: B
Explanation:

Rahat is the system which uses animals as the labour it is an old type of method where oxen were used a wheel was tied to them and turned by them to get the water out of the well.

So, the correct option is 'A large well in which wheel is used'.