Download App

Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
MCQ
Crop rotation is carried out for:
  • A
    Increasing acidity of soil
  • B
    Decreasing fertility of soil
  • ✓
    Increasing fertility of soil
  • D
    All the above
✓

Answer

Correct option: C.
Increasing fertility of soil
Crop rotations help organic systems to protect our environment. They involve changing the type of crop grown in one area on a regular basis. Organic farmers, plant alternate groups of plants $($roots, cereals, brassicas, legumes etc.$)$ to add fertility and prevent pests and diseases from building up.

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 "M.C.Q. [1 M]" 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

Which of the following states has the highest percentage of irrigated land$?$
→
The rate of doing work is called $.....:$
→
The substance which does not form a true solution in water is:
→
The botanical name of lentil is:
→
A wave of frequency $10\ Hz$ was observed to have a compression at a particular instance. Two subsequent time intervals when a compression will be repeated are (in seconds)
→
Which one of the following fishes is a surface feeder?
→
The SI  unit of retardation is _____?
→
The ultrasound waves can penetrate into matter to a large extent because they have:
→
Which one is a micronutrient for the crop plants?
→
$......$ of the body is a measure of inertia.
→