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CBSE Class 9 Answered

what are the different ways by which insect pests attack the plants?what are the preventive measures that can be employed to control pest attack?list out the factors responsible for losses of grains during storage.
Asked by farhana faru | 17 Sep, 2013, 01:03: PM
answered-by-expert Expert Answer
Insect pests attack the plants in three ways:
i. They suck the cell sap from various parts of the plant.
ii. They cut root, stem and leaf of the crop plant.
Answered by | 18 Sep, 2013, 07:12: AM

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