Crop protection test questions

1

Which of the following is not a feature of annual weeds?

2

An example of cultural control of pests which buries weeds making them die is called?

3

Which of the following is the chemical control of pests where the pest absorbs the chemical and it is transported around the pest?

4

What is the natural predator, parasite or pathogen of the pest used in biological control called?

5

What is the build-up of concentration of a chemical between trophic levels known as?