Tag: evs

Quizzes (439) Questions (4580)

Questions Related to evs

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

Read the give statements and select the correct option. 
Statement 1 : Irrigation without proper drainage of water leads to waterlogging in the soil.
Statement 2 : Waterlogging draws salts to the soil surface, which are deposited as a thing crust on the land surface or start collecting at the roots of the plants.

  1. Both statements 1 and 2 are correct.

  2. Statement 1 is correct but statement 2 is incorrect.

  3. Statement 1 is incorrect but statement 2 is correct.

  4. Both statements 1 and 2 are incorrect.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Improving drainage from the inundated paddock can decrease the waterlogging period at which the crop roots are subjected to anaerobic conditions. waterlogging draws salt to the surface of the soil. The salt than is deposited as a thin crust on the land surface or starts collecting at the roots of the plants. All the statements are true.

So, the correct option is 'Both statements 1 and 2 are correct'.

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

Define irrigation.

  1. Irrigation is the watering of land to make it ready for harvesting.

  2. Irrigation is the digging of land to make it ready for agriculture.

  3. Irrigation is the watering of land to make it ready for agriculture.

  4. Irrigation is the providing of water for home needs.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Irrigation is the application of controlled amounts of water to plants at needed intervals. It is the watering of land to make it ready for agriculture. Irrigation systems are often complex combinations of canals, channels, and hoses. Irrigation helps to grow agricultural crops, landscapes, and revegetate disturbed soils in dry areas and during periods of less than average rainfall.

So, the correct answer is 'Irrigation is the watering of land to make it ready for agriculture'.

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

Which method of irrigation is cheaper but less efficient?

  1. Traditional method

  2. Modern method

  3. Both A and B

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • The supply of water to the crops at different intervals is called irrigation. Lakes, rivers, dams, canals, etc. are the sources of water for irrigation. 
  • The water from lakes or canals is lifted up by different methods. Human or cattle labor can be used for these methods. 
  • Various traditional ways of irrigation are pulley system, chain pump, dhekli, and Rahat. 
  • Traditional methods are cheaper but they are less efficient as compared to modern methods like a sprinkler system, drip system, etc.
Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

The supply of water to crops at different intervals is____________

  1. Harvesting

  2. Winnowing

  3. Irrigation

  4. Sprinkling
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

  • The supply of water to the crops at different intervals of ti,e is called as irrigation. 
  • The time and frequency of irrigation vary from crop to crop, soil to soil and season to season. In the summer season, the frequency of watering is more due to the evaporation of water from the soil and leaves.
  • In the case of wheat, irrigation is required at intervals during different stages of plant growth. Rice crop requires standing water in the field.


Therefore, the correct answer is option C.

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

Which are the different traditional methods of irrigation?

  1. Chain pump

  2. Dhekli

  3. Rahat

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • The supply of water to the crops at different intervals is called irrigation. Lakes, rivers, dams, canals, etc. are the sources of water for irrigation. 
  • The water from lakes or canals is lifted up by different methods. Human or cattle labor can be used for these methods. 
  • Various traditional ways of irrigation are pulley system, chain pump, dhekli, and Rahat. 
  • Traditional methods are cheaper but they are less efficient as compared to modern methods like a sprinkler system, drip system, etc.
Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

_____ is necessary for the maximum and judicious use of water

  1. The knowledge of soil texture

  2. Modern methods of agriculture

  3. Irrigation system

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Efficient water use requires a holistic approach including soil knowledge, modern irrigation techniques, and proper management systems.

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

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

  1. Ploughing

  2. Irrigation

  3. Rainwater farming

  4. Tilling
Reveal answer Fill a bubble to check yourself
B Correct answer
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'.

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

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

  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
Reveal answer Fill a bubble to check yourself
A Correct answer
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'.

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

Rahat system of irrigation was primarily used in 

  1. Africa

  2. America

  3. India

  4. Indonesia
Reveal answer Fill a bubble to check yourself
A Correct answer
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.
Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

Rahat system of irrigation requires

  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
Reveal answer Fill a bubble to check yourself
B Correct answer
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'.