Download App

Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources3 Marks
Question
What is the role of nitrogen fixing bacteria?
✓

Answer

Nitrogen-fixing bacteria are microorganisms present in the soil or in plant roots that change nitrogen gases from the atmosphere into solid nitrogen compounds that plants can use in the soil. That's a mouthful! Let's break this concept down.

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 3 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

What will happen if:
  1. Excess amount of fertilizer is added to a green lawn?
  2. Salt is added to cut pieces of raw mango.
→
Give reasons for: Branches of a tree move and bend freely in high wind velocity.
→
Which system of our body is activated in response to infection and how it responds?
→
Enumerate the functions of blood.
→
On the basis of the number of protons, neutrons and electrons in the samples given below identify
i. the cation.
ii. the pair of isobars, and
iii. the pair of isotopes.
SampleProtonsNeutronsElectrons
A171816
B181918
C172017
D171717
→
Name one:
  1. Inexhaustible resource.
  2. Renewable exhaustible resource.
  3. Nonrenewable exhaustible resource.
→
During an experiment the students were asked to prepare a $10\%$ (Mass/ Mass) solution of sugar in water. Ramesh dissolved $10\ g$ of sugar in $100\ g$ of water while Sarika prepared it by dissolving $10\ g$ of sugar in water to make $100\ g$ of the solution.
  1. Are the two solutions of the same concentration.
  2. Compare the mass $\%$ of the two solutions.
→
What are diploid and haploid number?
→
Fill in the blanks:$ A, B,$ and $C.$
→
Define the following: tendon, ligament and cartilage.
→