Page 1 of 49
CCA EXAM International EXAM COMPLETE NEWEST
250 QUESTIONS AND VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
QUESTION: ____________ increases available N, reduces erosion and increases infiltration.
a. cover crops
b. fallow
c. nurse crops
d. companion crops - ANSWER-a. cover crops
QUESTION: A double cropping system is where two crop are grown in the same field over
_______________ months.
a. 36
b. 24
c. 18
d. 12 - ANSWER-d. 12
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QUESTION: ___________ is not a limitation of cover and companion crops.
a. increased soil erosion
b. reduced yields
c. soil water depletion
d. increased cost - ANSWER-a. increased soil erosion
QUESTION: Fields are fallowed to conserve _____________.
a. energy
b. nutrients
c. water
d. pesticides - ANSWER-c. water
QUESTION: Pesticide carryover is important in ______________ crops.
a. rotational
b. cover
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c. companion
d. adjacent - ANSWER-a. rotational
QUESTION: __________ is when a plant produces a chemical toxin that impairs the growth of
different plant.
a. allelopathy
b. antibiosis
c. autotoxicity
d. symbiosis - ANSWER-a. allelopathy
QUESTION: In clean till systems, tillage can spread__________.
a. insects
b. disease
c. weeds
d. both b and c - ANSWER-d. both b and c
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Q; Which of the following is not considered when comparing a crop rotation with a
monoculture?
a. sociological consequences
b. IPM
c. labor and equipment needs
d. yields - ANSWER-a. sociological consequences
QUESTION: Which of the following is an advantage of a crop rotation over a monoculture?
a. higher level of management required
b. timing fertilizer and pesticide application easier
c. less equipment needs
d. risk spread across more than one commodity - ANSWER-d. risk spread across more than one
commodity
QUESTION: Which of the following is a limitation of crop rotation over a monoculture?
a. more equipment needed
4
CCA EXAM International EXAM COMPLETE NEWEST
250 QUESTIONS AND VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
QUESTION: ____________ increases available N, reduces erosion and increases infiltration.
a. cover crops
b. fallow
c. nurse crops
d. companion crops - ANSWER-a. cover crops
QUESTION: A double cropping system is where two crop are grown in the same field over
_______________ months.
a. 36
b. 24
c. 18
d. 12 - ANSWER-d. 12
1
, Page 2 of 49
QUESTION: ___________ is not a limitation of cover and companion crops.
a. increased soil erosion
b. reduced yields
c. soil water depletion
d. increased cost - ANSWER-a. increased soil erosion
QUESTION: Fields are fallowed to conserve _____________.
a. energy
b. nutrients
c. water
d. pesticides - ANSWER-c. water
QUESTION: Pesticide carryover is important in ______________ crops.
a. rotational
b. cover
2
, Page 3 of 49
c. companion
d. adjacent - ANSWER-a. rotational
QUESTION: __________ is when a plant produces a chemical toxin that impairs the growth of
different plant.
a. allelopathy
b. antibiosis
c. autotoxicity
d. symbiosis - ANSWER-a. allelopathy
QUESTION: In clean till systems, tillage can spread__________.
a. insects
b. disease
c. weeds
d. both b and c - ANSWER-d. both b and c
3
, Page 4 of 49
Q; Which of the following is not considered when comparing a crop rotation with a
monoculture?
a. sociological consequences
b. IPM
c. labor and equipment needs
d. yields - ANSWER-a. sociological consequences
QUESTION: Which of the following is an advantage of a crop rotation over a monoculture?
a. higher level of management required
b. timing fertilizer and pesticide application easier
c. less equipment needs
d. risk spread across more than one commodity - ANSWER-d. risk spread across more than one
commodity
QUESTION: Which of the following is a limitation of crop rotation over a monoculture?
a. more equipment needed
4
