CBSE | Protecting crops from weeds|Harvesting and storage of crops

Weeds|Why Weeding Is Done|Weedicides|Harvesting|Storage|OMR

Which of the following secretes toxins during storage condition of crop plants

If we excessively use pesticides to protect the crops from diseases, then it may cause lion-term damage to mankind'. Justify this statement.

Assertion : Weeds are unwanted plants that grow along with the main crops. Reason : Weeds compete with the main crops for water, minerals and sunlight and therefore reduce crop yield.

weeds increase the yield of the crop.