Agronomy General Knowledge
1.Which of the following is an example of an adjuvant? - answer Crop oil concentrate, a
surfactant
2.Which of the following is true about mycotoxins? - answerThey are produced by fungi.
3.The legume family is one of the largest plant families. Which of the following crops is a
legume? - answerAlfalfa
4.Which of the following is an example of a monocot? - answerCorn
5.The composite family is the largest plant family. Which of the following crops belongs
to this family? - answerCorn
6. Broadleaf plants - answerare C4 plants
7. Rhizobium bacteria often infect the roots of legumes and frequently - answerincrease
yield through nitrogen fixation
8. Who is the current U.S. Secretary of Agriculture? - answerSonny Perdue
9. Who is the current Texas Commissioner of the Department of Agriculture? -
answerSid Miller
10. Where did corn originate? - answerThe Americas
11. Where did potatoes originate? - answerThe Americas
12. Where did cultivated wheat originate? - answerThe Middle East
13. Openings in leaves and stems through which gases and moisture pass are called -
answerStomata
14. Aphids have been shown to carry pathogenic viruses to potatoes. In this case, an
aphid would be considered a - answerVector
15. Which of the following is not considered a macronutrient in plants? - answerIron
16. Which of the following is an example of ground water? - answerAquifer
, 17. A pesticide's ability to break down slowly and remain in the environment for a long
time refers to its - answerpersistence
18. Name an organelle in a plant cell that contains non-nuclear DNA. -
answerChloroplast
19. One of the best methods of avoiding herbicide resistance from developing in weeds
is to - answerUse multiple modes of action in the herbicide spray program
20. When dealing with a pesticide spill what are the "three C's"? - answerControl
situation, Contain spill, Cleanup
21. Water is primarily moved from the roots to the stomata in the plant through the -
answerXylem
22. An example of a predatory insect is: - answerGreen lacewing Lady beetle
23. Which of the following factors is not used to determine grain grades? -
answerMoisture
24. Which of the following crops reproduce asexually? - answerStrawberry
25. You are spraying a customer's tot in town with an insecticide. The lot is 14,520
square feet, and the labeled rate for the pesticide is 14 to 18 oz. per acre. Which of the
following mix rates would allow you to stay within labeled rates, assuming complete
application of material in the tank? - answer5 oz.
26. Organic matter would least affect soil - answerd. Texture
27. According to the disease triangle, a disease outbreak occurs as a combination of a
pathogen, a susceptible host, and - answerFavorable environment
28. What is the proper way to dispose of a pesticide? - answerFollow the instructions on
the label
29. Which of the following elements would be found in the highest quantities by weight
in a healthy plant? - answerCarbon
30. A deep ripper would be considered a - answera. Primary tillage implement
31. Which of the following is not currently a commercially available biotechnology option
in row crops? - answerd. Gramoxone (Paraquat)
32. Which of the following would be considered a cereal grain crop? - answera. Rice
33. An underground horizontal root system is known as a - answerC. Rhizome
1.Which of the following is an example of an adjuvant? - answer Crop oil concentrate, a
surfactant
2.Which of the following is true about mycotoxins? - answerThey are produced by fungi.
3.The legume family is one of the largest plant families. Which of the following crops is a
legume? - answerAlfalfa
4.Which of the following is an example of a monocot? - answerCorn
5.The composite family is the largest plant family. Which of the following crops belongs
to this family? - answerCorn
6. Broadleaf plants - answerare C4 plants
7. Rhizobium bacteria often infect the roots of legumes and frequently - answerincrease
yield through nitrogen fixation
8. Who is the current U.S. Secretary of Agriculture? - answerSonny Perdue
9. Who is the current Texas Commissioner of the Department of Agriculture? -
answerSid Miller
10. Where did corn originate? - answerThe Americas
11. Where did potatoes originate? - answerThe Americas
12. Where did cultivated wheat originate? - answerThe Middle East
13. Openings in leaves and stems through which gases and moisture pass are called -
answerStomata
14. Aphids have been shown to carry pathogenic viruses to potatoes. In this case, an
aphid would be considered a - answerVector
15. Which of the following is not considered a macronutrient in plants? - answerIron
16. Which of the following is an example of ground water? - answerAquifer
, 17. A pesticide's ability to break down slowly and remain in the environment for a long
time refers to its - answerpersistence
18. Name an organelle in a plant cell that contains non-nuclear DNA. -
answerChloroplast
19. One of the best methods of avoiding herbicide resistance from developing in weeds
is to - answerUse multiple modes of action in the herbicide spray program
20. When dealing with a pesticide spill what are the "three C's"? - answerControl
situation, Contain spill, Cleanup
21. Water is primarily moved from the roots to the stomata in the plant through the -
answerXylem
22. An example of a predatory insect is: - answerGreen lacewing Lady beetle
23. Which of the following factors is not used to determine grain grades? -
answerMoisture
24. Which of the following crops reproduce asexually? - answerStrawberry
25. You are spraying a customer's tot in town with an insecticide. The lot is 14,520
square feet, and the labeled rate for the pesticide is 14 to 18 oz. per acre. Which of the
following mix rates would allow you to stay within labeled rates, assuming complete
application of material in the tank? - answer5 oz.
26. Organic matter would least affect soil - answerd. Texture
27. According to the disease triangle, a disease outbreak occurs as a combination of a
pathogen, a susceptible host, and - answerFavorable environment
28. What is the proper way to dispose of a pesticide? - answerFollow the instructions on
the label
29. Which of the following elements would be found in the highest quantities by weight
in a healthy plant? - answerCarbon
30. A deep ripper would be considered a - answera. Primary tillage implement
31. Which of the following is not currently a commercially available biotechnology option
in row crops? - answerd. Gramoxone (Paraquat)
32. Which of the following would be considered a cereal grain crop? - answera. Rice
33. An underground horizontal root system is known as a - answerC. Rhizome
