Agronomy MCQ Quiz - Multiple Choice Questions & Answers

1. The standard test weight per bushel for soybean is

1. 48 pounds
2. 52 pounds
3. 56 pounds
4. 60 pounds

2. A common disease of wheat is leaf rust, which is caused by a fungus that does not survive over winter in Kansas. However, the leaf rust spores blow in from the Southern states each spring to infect our wheat crop. In this example, the wind is called the:

1. pathogen
2. parasite
3. inoculum
4. vector

3. A harvest concern with regard to moldy corn seed is the potential presence of toxic levels of:

1. nitrate
2. Salmonella
3. aflatoxin
4. vomitoxin

4. A new type of tillage tool being promoted for one time or infrequent use in no-till systems to incorporate some residue and break through surface compaction is currently being evaluated. This tool is called a:

1. rotary hoe
2. tandem disk
3. vertical tillage tool
4. plow

5. According to NRCS guidelines, the minimum amount of crop residue which must remain on the soil surface for a cropping system after planting to qualify as conservation tillage is:

1. 10%
2. 20%
3. 30%
4. 50%

6. An important environmental concern related to pesticide use is:

1. runoff of pesticides into streams and lakes
2. leaching of persistent chemicals or breakdown products into ground water
3. point-source pollution from spills or improper disposal
4. all of the above are issues which could threaten the future of pesticide use

7. Because both oilseed and confectionary sunflowers grown in Kansas do not produce additional new leaves after they begin flowering, their growth habit is called:

1. determinate
2. monoecious
3. biennial
4. indeterminate

8. Broadcast application of dry urea fertilizer to an established field of tall fescue in early March is called:

1. banding
2. topdressing
3. fertigation
4. sidedressing

9. Cattle grazing older, established tall fescue pastures results in poor weight gains, poor body condition, fever, lameness, and in some cases a loss of hooves and tail tips. The likely cause is:

1. prussic acid that accumulates in the new regrowth
2. nitrate that accumulates in the stems, especially when high rates of N fertilizer are used
3. fescue toxicosis from an alkaloid produced by an endophyte fungus living within plants
4. fescue toxicosis from a hallucinogenic compound from ergot sclerotia that replace the seed

10. Corn reproductive growth stages start with silking (R1) and end with physiological maturity (R6). The descriptive terms for the other four reproductive stages, in sequential order from R2 through R5, is:

1. blister - milk - dent - dough
2. milk - dough - blister - dent
3. milk - blister - dough - dent
4. blister - milk - dough - dent