Quiz ILLINOIS FFA AGRONOMY CDE
TEST QUESTIONS AND ANSWERS
WELL DEFINED LATEST
UPDATE(2024/2025)GRADED A+!!
A bushel of corn at 15.5% moisture weighs 56 pounds. How much does
a bushel of corn weight at 19%? (CORRECT ANSWERS) 68.6
A pesticide is most likely to pollute groundwater if it has what
characteristic? (CORRECT ANSWERS) High solubility
The main purpose of flooding a rice field is to control weeds. How can
this be a negative impact? (CORRECT ANSWERS) Reduced leaf area
and grain yield
If the recommended seeding rate for wheat is 13-21 seeds per foot
within a 7 inch row, what would happen if the rate was increased to 50
seeds per foot within a 7 inch row? (CORRECT ANSWERS) Disease
and lodging would increase
How is a sugarcane field established? (CORRECT ANSWERS) Planted
using sugarcane stem pieces called billets
,How many acres are there in a rectangle parcel of land that must be
measures 800 feet long and 620 feet wide? (CORRECT ANSWERS)
11.4
What tools do the USDA use to detect and monitor a new crop disease
problem? (CORRECT ANSWERS) Sentinel plots, agent scouting,
disease forecast models
Your broadleaf plants exhibit cupping of the leaves and epinasty. What
herbicide would most likely cause such an injury? (CORRECT
ANSWERS) Growth regulators
You are applying Banvel 4f at a rate of 1/2 pint per acre using 20 gallons
of water per acre of application. You are traveling at 4.5 MPH. The
nozzles are 20 inches apart. What is the output for each nozzle?
(CORRECT ANSWERS) .30 GPM
What conditions favor the spread of a new disease from South America
into the United States, such as Soybean Asian Rust? (CORRECT
ANSWERS) Large tropical storms and hot, humid weather
A Colorado producer has a center pivot sprinkler irrigating 200 acres of
pinto beans. To control weeds he will chemigate 24 ounces of herbicide
per acre on his field. How many gallons of herbicide must he use to do
this application? (CORRECT ANSWERS) 6.5
,A pesticide that can only be handled and applied by a certified applicator
is called a ___ use pesticide. (CORRECT ANSWERS) Restricted
Pesticide
What is the most important concept in pesticide application?
(CORRECT ANSWERS) Read the label
Conservation programs, such as CRP & EQIP are administered by which
of the following governmental agencies? (CORRECT ANSWERS)
National Resource Conservation Service
USDA defines HEL (highly erodible land) aa having a erodibility index
(EI) of 8 or more. This EL is ratio of the inherent erodibility of a soil to
the soil loss tolerance. The soil loss tolerance, or "T" values is what?
(CORRECT ANSWERS) An estimate of the rate of soil erosion than can
occur on a given soil with out significant long-term productivity loss
Vernalizarionis a common requirement for temperate climate species
before reproduction can occur. What does this term refer to?
(CORRECT ANSWERS) Cold treatment of a plant or seed
Hypogeal seedling emergence is characteristic of what? (CORRECT
ANSWERS) Corn & garden pea
Which of the following diseases are viruses are most likely to cause?
(CORRECT ANSWERS) Tobacco Mosaic (TMV), Tomato Spotted Wilt
(TSWV)
, Your tomatoes are planted in 30 inch rows. In 17 ft. 5 in. Of row in
length you count 21 pants. What is your estimated plant population per
acre? (CORRECT ANSWERS) 25,400
What are the four main groups that plant pathogens consist of?
(CORRECT ANSWERS) Viruses, fungi, bacteria, and nematodes
What crop species is primarily cross pollinated? (CORRECT
ANSWERS) Corn & alfalfa
What plant disease is caused by a virus? (CORRECT ANSWERS)
Barley yellow dawrf
Soil herbicides that exhibit differential selectivity are generally based on
what? (CORRECT ANSWERS) Differential metabolism & placement
What plant is a dicotyledonous (2 sets of chromosomes) species in the
botanical family Gramineae? (CORRECT ANSWERS) Corn
Why do some plants not re-grow when hey are cut? (CORRECT
ANSWERS) They are annuals & are determinant
Parallel venation in a plant leaf would be a characteristic of what plant?
(CORRECT ANSWERS) Corn
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