CBSE Class 9 Answered

Preventive and control measures used before storage of grains:

• Grains must be dried thoroughly otherwise there are chances of rottening.
• Grains need to be stored in room free of moisture.
• Tin-boxes should be preferred as they are mice-proof.
• In godowns, chemical used to prevent rats and insects must be used carefully in such as way that grains are not contaminated.
• Old gunny bags should be sun-dried.
• Storage places should be well-ventilated.
• During transportation of grains, gunny bags must be covered properly so that no wastage takes place.