UPSC 2016 CDS II GK Paper

© examsiri.com
Question : 45 of 120
 
Marks: +1, -0
Which of the following statements regarding soil is/are correct?
1. Alluvial soils are rich in nitrogen content.
2. Black soils are rich in iron and lime but deficient in nitrogen.
3. Laterite soils are rich in iron and aluminium but deficient in nitrogen and potassium.
Select the correct answer using the code given below.
[2016 CDS-II]
Go to Question: