Download App

Improvement in Food Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceImprovement in Food Resources3 Marks
Question
Distinguish between mixed cropping and intercropping.
✓

Answer

Mixed Cropping:
  1. It aims to minimize the risk of crop failure.
  2. Seeds of two crops are mixed before sowing.
  3. It involves no set pattern of rows of crops.
Intercropping:
  1. It aims to increase the productivity per unit area.
  2. Seeds of two crops are not mixed.
  3. It involves set pattern of rows of crops.

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 chromatography? State its two applications.
→
A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0m/ s−2 for 8.0s. How far does the boat travel during this time?
→
A stone is dropped from a height of 20m.
What will be its speed when it hits the ground? (g = 10m/s2)
→

When is the work done by a force on a body: (a) positive, (b) negative, and (c) zero?

→
An atom of an element has 17 proton, 17 electrons, and 18 neutrons.
  1. Calculate the mass number of the element.
  2. Write its electronic configuration.
  3. Find the valency and an atomic number of the element.
→
Why burns caused by the steam are much more severe than boiling water?
→

A heavy car A of mass 2000kg travelling at 10m/s has a head-on collision with a sports car B of mass 500kg. If both cars stop dead on colliding, what was the velocity of car B?

→
Why do plants and animals possess different types of tissues?
→
If a sprinter runs a distance of 100 metres in 9.83 seconds, calculate his average speed in km/h.
→

Describe biological water cycles.

→