Leadership

Biology

Eight Standard

Test your understanding of this lesson Irrigation:-

1)
Irrigation is the process of providing the crops
  • Manure
  • Water
  • Insecticides
  • All the above
2)
Excessive irrigation causes
  • Water-logging
  • Stop the roots from breathing
  • Salinisation of the soil
  • All the above
3)
The method of irrigation in which emitters let out a trickle of water near the roots is called
  • Drip irrigation
  • Sprinkler irrigation
  • Furrow irrigation
  • Basin irrigation
4)
Basin irrigation is good for the crops which
  • Need very small amount of water
  • Grow on uneven land.
  • Need a lot of water
  • Grow in wintet
5)
Sprinkler irrigation is good as
  • Less water is wasted
  • Water is distributed more evenly
  • Have rotating heads to spray water over the crops
  • All the above
Hand draw

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