Download App

Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources2 Marks
Question
Name the types of bacteria involved in nitrification.
✓

Answer

There are two types of bacteria involved in nitrification-nitrite and nitrate.
  1. Nitrite bacteria like Nitrosomonas oxidize ammonium to nitrite.
  2. Nitrate bacteria like Nitrobacter oxidize nitrite to nitrate.

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 "Que-Ans (Each of 2 Mark )" 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

Name the largest plant cell.
→
Which contains more heat, $1\ kg$ of ice at $0^\circ C$ or $1\ kg$ of water at $0^\circ C$? Give reason for your answer.
→
An electron is regarded as a universal particle. Explain.
→
Which produces more severe burns: boiling water or steam? Why?
→
State two observations which show that atom is not indivisible.
→
Explain the meaning of the following equation of motion:
v = u + at
where symbols have their usual meanings.
→
Calculate the number of molecules in $88g$ of this gas sample. [Given, atomic masses of $C = 12u, O = 16u, NA = 6.022 \times 10^{23}$ per mole]
→
How is ammonia gas liquefied?
→
An electric bulb of $75W$ burns for $4h$ a day. What will be the cost of electricity involved in a month of $30$ days at $₹\ 2.5$ per unit.
→
Soni says that the acceleration in an object could be zero even when several forces are acting on it. Do you agree with her? Why?
→