Download App

Improvement in Food Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceImprovement in Food Resources2 Marks
Question
How does excessive irrigation lead to soil salinity?
✓

Answer

Excessive irrigation causes water logging and increases surface salinity which leads to soil salinity.

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 Improvement in Food Resources→Improvement in Food Resources — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Explain briefly, how gases can be liquefied.
→
Define relative density. What is the SI unit of relative density?
→
What are the three groups into which all the elements can be divided? Name two elements belonging to each group.
→
Distinguish between the following pairs in one or two sentences for each:
RBCs and WBCs.
→
Does density vary with temperature?
→
Find the energy in kWh consumed in 10h by a machine of power 500W.
→
Atom A has a mass number 209 and atomic number 82.
Atom B has a mass number 209 and atomic number 83.
  1. How many protons atom A has?
  2. How many protons atom B has?
  3. Are atoms A and B isotopes of the same element?
→
What is the difference between ‘distance travelled’ by a body and its ‘displacement’? Explain with the help of a diagram.
→

Describe the major components of air pollution.

→
The nucleus of an atom has 5 protons and 6 neutrons. What would be the:
  1. Atomic number.
  2. Mass number.
  3. The number of electrons.
  4. The number of valence electrons, per atom of this element?
→