a) The traditional practices can help in controlling contamination without the use of chemical fertilizers, as follows:
i. Neem trees and its by products are a natural pest-controller, which has been used...
Cockroaches are considered pests due to following reasons:
1. Cockroaches damage household materials like clothes, shoes, paper, etc.
2. Cockroaches eat and destroy the foodstuff. They contaminate food, which gives a typical...
Correct Answer - D
The ability of host plant to prevent the pathogen from causing disease which is determined by genetic constitution of the host plant, is called resistance.
2 Answers
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