Question Detail

GST 111 ECOLOGY Objective Question
Take CBT

Question

What is denitrification?
Options
A The conversion of nitrates to ammonia
B The reduction of nitrates in the soil to gaseous nitrogen
Correct Answer
C The fixation of atmospheric nitrogen
D The uptake of nitrogen by plants
Correct Answer

Option B is the correct answer.

Detailed Explanation

Denitrification is the process where bacteria convert nitrates (NO3-) in the soil back into gaseous nitrogen (N2) or nitrogen oxides, which are released into the atmosphere.

Hint

This is the opposite of nitrogen fixation, returning nitrogen to the air.

Question Info

Course: GST 111
Topic: ECOLOGY
Type: Objective
Difficulty: Not specified
Question 1216 of 1604
Previous Course Details Next