Mineral Nutrition In Plants Question 176
Question: Most of the plants obtain or absorb nitrogen from soil in the form of [AFMC 1975; JIPMER 1987; CPMT 1982, 84; DPMT 1990; Orissa PMT 2002; MP PMT 2005]
Options:
A) Free nitrogen gas
B) Nitric acid
C) Nitrite
D) Nitrates
Show Answer
Answer:
Correct Answer: D
Solution:
Higher plants generally utilize the oxidized forms such as nitrate $ (NO_3^{-}) $ and nitrite $ (NO_2^{-}) $ or the reduced form $ (NH_4^{+}) $ chief source of nitrogen are the nitrates of calcium and potassium.
BETA
