Q349
Which of the following nutrient is absorbed in both positive and negative forms?
A.
Potassium
B.
Phosphorus
C.
Sulphur
D.
Nitrogen
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Nitrogen is a nutrient element that is absorbed in both positive and negative forms.It is absorbed in the form of ammonium ion i.e. NH4+ is a positive ion. Also, it is absorbed as nitrate ion i,e. NO3-, that is a negative ion.