Multiple Choice
Probably the most serious environmental factor limiting crop productivity is the
A) use of GM plants.
B) evolution of pests resistant to pesticides.
C) increasing salinity of soils.
D) invasion of weeds from tropical areas.
Correct Answer:

Verified
Correct Answer:
Verified
Q45: Maize was evolved from<br>A)teosinte.<br>B)brassica.<br>C)corn-like sunflowers.<br>D)quinoa.<br>E)amaranth.
Q46: What fruit triggered the world's most famous
Q47: A genetically engineered crop that is being
Q48: Which of the following is an issue
Q50: Approximately how many people in the world
Q51: Which of the following was not developed
Q53: The scientific basis for understanding plant breeding
Q54: Which of the following is a major
Q55: The use of chemical nitrogen fertilizer can
Q71: Who is considered the Father of the