Download App

Improvement in Food Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceImprovement in Food Resources3 Marks
Question
What are the various irrigation systems adopted in India?
✓

Answer

Various irrigation systems adopted in India are the Persian wheel system, drip irrigation system, sprinkler system, lever system, well water and tube wells system, tank water or rain water harvesting system, etc.

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 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

What is ultrasound$?$ What is the difference between ordinary sound and ultrasound$?$
→
From the symbol $^{31}_{15}\text{P},$ state:
  1. Mass number of phosphorus.
  2. Atomic number of phosphorus.
  3. Electron configuration of phosphorus.
→
What is the advantage of using insect resistant varieties?
→
Explain why, when a person stands on a cushion, the depression is much more than when he lies down on it.
→
An object starting from rest travels $20\ m$ in the first $2s$ and $160\ m$ in next $4s$. What will be the velocity after $7s$ from the start?
→
Name the energy transfers which occur when:
  1. An electric bell rings.
  2. Someone speaks into a microphone.
  3. There is a picture on a television screen.
  4. A torch is on.
→
The following data represents the distribution of electrons, protons and neutrons in atoms of four elements A, B, C, D.
ElementProtonsNeutronsElectrons
A101010
B111211
C121212
D131413
Solve the following questions.
i. Write the electronic distribution of atoms of elements A and D.
ii. Element A is an inert gas. Why?
iii. What is the valency of element C?
→
Write down two main functions of:
  1. Endoplasmic reticulum.
  2. Lysosome.
→
The government of a state made it mandatory to install rainwater harvesting system and solar water heater in all buildings in urban areas. Why are solar water heaters being installed when electric geyzers are available?
→
Name any three water pollutants.
→