Download App

Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
MCQ
The conversion of $NO_3$ to $N_2$ is called:
  • A
    Nitrification.
  • ✓
    Denitrification.
  • C
    ammonification.
  • D
    Nitrogen fixation.
✓

Answer

Correct option: B.
Denitrification.
Denitrification is the removal of nitrogen or nitrogen compounds. The conversion of $NO_3$ into $N_2$ is denitrification.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from Natural Resources→Natural Resources — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Golgi apparatus is involved in synthesis of:
→
Which one of the following set of phenomena would increase on raising the temperature?
→
Hydra, Jellyfish and Sea anemone belong to:
→
Delay in the observation of onion cells can lead to:
→
Which Newton's laws describe thrust:
→
Which of the following are physical changes$?$
  1. Melting of iron metal.
  2. Rusting of iron metal.
  3. Bending of an iron rod.
  4. Drawing wire of iron metal.
→
The use of ultrasound waves to investigate the action of the heart is called:
→
If the weight of a body is $6\ N$ on the moon, what will it be on the earth:
→
Milk of Magnesia is:
→
Which of the following statement is correct about the atom of and element?
→