A. absorbing inorganic ions from the soil
B. protecting it from infection
C. helping it to utilize atmospheric nitrogen
D. serving as a growth regulator
Correct Answer:
Option D – serving as a growth regulator
Do you want to study Agricultural Extension in OOU? Before you apply for the OOU…
Do you want to study Agricultural Economics in OOU? Before you apply for the OOU…
Do you want to study Cooperative and Business Management in OOU? Before you apply for…
Do you want to study Home and Hotel Management in OOU? Before you apply for…
Do you want to study Animal Production in OOU? Before you apply for the OOU…
Do you want to study Crop Production in OOU? Before you apply for the OOU…