86. Which of the following is a term used to describe the process of protecting crops from pests, diseases, and unfavorable environmental conditions?
a) Crop rotation
b) Plant protection
c) Organic farming
d) Sustainable agriculture
87. Which of the following is a method of plant protection that involves applying chemicals to control pests and diseases?
a) Chemical control
b) Biological control
c) Cultural control
d) Mechanical control
88. Which of the following is a method of plant protection that involves using natural enemies to control pest populations?
a) Chemical control
b) Biological control
c) Cultural control
d) Mechanical control
89. Which of the following is a method of plant protection that involves changing farming practices to reduce pest and disease pressures?
a) Chemical control
b) Biological control
c) Cultural control
d) Mechanical control
90. Which of the following is a method of plant protection that involves physically removing pests or diseased plants from the field?
a) Chemical control
b) Biological control
c) Cultural control
d) Mechanical control
