Leadership

Biology

Test your understanding of this lesson Soil Fertility:-

1)
When a piece of land is not cultivated for one or more season is known as
  • Fallow field
  • Ploughed field
  • Levelled field
  • Irrigated field
2)
Crop Rotation
  • Decrease soil nutrients
  • Increase soil water
  • Improve soil fertility
  • Decrease soil fertility
3)
Nitrogen fixation is carried out by
  • Autotrophic plants
  • Leguminous plants
  • Evergreen plants
  • Parasitic plants
4)
Name of one nitrogen fixing bacteria is
  • Vibrio cholerae
  • E.coli
  • Pneumoconiosis bacteria
  • Rhizobium
5)
The process of converting atmospheric nitrogen into nitrogenous compounds is called
  • Nitrogen cycle
  • Denitrification
  • Nitrogen fixation
  • Symbiosis
Hand draw

Hide

Forgot your password?

Close

Error message here!

Hide

Lost your password? Please enter your email address. You will receive a link to create a new password.

Back to log-in

Close